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 www.drip fed waste oil
A home heating system that operates cleanly & free.

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This is a free source of energy.

 This heater we have designed, is currently heating homes, Garagessheds, shops, Spars, Pools and workshops, worldwide for free, is available to you here.

Yes we want to heat your life, homes for free.

But not only that, we want to save you money, lots of money.

So it you leave this website in 10 seconds then I'm sorry you have saved nothing because this taken a little longer than ten seconds to build this site.

If you can't afford our heaters which aren't free, but reasonably priced, or you're on the other side of the world, so the cost of freighting stops this, we can still help you out, as we offer you the plans, on how to build these heaters for only $21 USD.

The plans are for the hot pot 9 heater, below left image, easy to build.

However if you have a huge area to heat, we would recommend that you weld a larger bottle onto the burner unit giving it more radiant heating. The burner unit stays the same size, it's the size of the bottle ontop, that changes to the size you want to heat.  


Really, you cannot afford not to own one of our heaters, at the price of the plans.

And we will give you free email access incase you need any help along the way.

The plans cover the construction of the heater and the hotwater/wetback system, and how to build this too. This gives you free home heating and free hotwater.

It also shows the oil feed construction.

All the people that have purchased these plans, have been amazed at the heat output

and have not only built one unit, but three or more, their that impressed.

Now let me impress you with our heater plans.

If I can't impress you with what this unit pumps out, I'll give you your money back  in full. 

We are that sure you'll love all this free heat too.

PURCHASE Your Plans Here.

For Just $21.00 USDollars

or $27.00 NZDollars

To make a purchased for the plans click on "purchase your plans here", on the following page that comes up, click on the tab down the bottom of the page, add one to my cart first, then click on my cart on the top right of the page, then it will take you to the Paypal site to complete the transaction..

If you want to order the plans, but feel their maybe a part you can't build.

We can construct it for you and put it on the courier.

Or help you with the construction of it.

Just get intouch via the email address we can give you a price to build it. 

This is only for our New Zealanders customers, sorry.

Freighting anything heavy overseas is too expensive.

All our heaters come complete, all you have to do, is setup the oil feed line, and install the flues provided, and that's as easy as sliding one into the other. 

Done, now ready to light and heat.

Some people ask what do these heaters run on; 




WASTE CANOLA OIL. from your fish n chip shop


Pretty well any oil.

How it works.

Waste engine oil is dripped into a red hot steel pot, containing the fire, when the oil hits the steel, the oil gasifies into a gas, and it's the gas that actually is keeping it running, not a pool of waste oil burning in the pot, in fact when it is in operation no oil is visible in the pot at all, just a glowing white ash and it's this reason why it's clean burning.

The oil is burning at such a high temperature that all of the oil burns cleanly, so no smoke is expelled into the air.

With customers wanting more and more water heating we have had to build larger wetbacks over the total range.

So the new wetbacks now have 20 mm copper pipes running the full length inside the furnace. 

Each pipe will be 800 mm long, we now fit two lengths, giving more volume. This makes it 1metre x 600 mm in wetback. 

Another length of 800 mm long pipe, would service the hot water for the house, and the maybe another two lengths  plumbed in, to service the spa pool heating. This is for the smaller hot pot heaters.

I think these heaters/furnaces would accept up to 6 lengths of copper pipe inside the burn zone.

We have only priced them for 2 lengths.

There is a general rule of thumb that the water will start cooling over 5 metres to the hotwater cylinder, spa or pool.

Although we have people heating swimming pools up to 8 metres away from the heater. Insulated pipes are a must.

These heaters/furnaces operate from 250 - 650 Fahrenheit clean burning as you see in the video's.

We test and test these heaters to make sure they reach the smokeless burning stage..

These websites show you how this process happens.

*This website is current.*
With prices in US dollars with NZ dollars to help our overseas buyers.
Latest Update,: *Monday 27th April 9.06 pm 2015 New Zealand Time.

I had our heater burning for 6 hours yesterday, at 550 F, it burnt through 16 litres of waste oil, which doesn't matter as I have a huge supply of it, but 16 litres divided by 6 hours equals 2.67 litres an hour so the 20litre container burning at that temp would last around 8 hours burning. Normally I get two afternoons heating out of one 20 litre container.

Anyway we are slowly cleaning up this earths waste oil, one litre at a time.

Freezing Cold?

Lets face it, you may not want to admit it, but winter almost here, Fear Not, we have you covered.

Some of us are doing it just a little bit different this year,

how, you ask, well we are letting all the trees grow this year, makes a change,

You can too, if you read this website.

In a roundabout way we have turned green.

We are burning clean burning free waste oil. 

Waste oil heaters and waste oil boilers produce "free" heat while also eliminating the burden of recycling used oil. It gets even better; some states offer tax incentives to heat your facility with waste oil heaters and boilers!

Waste oil heaters and boilers are typically fueled with used vegetable oil, recycled oil, used motor oil or used transmission fluid. Restaurants, auto repair shops, quick lubes and manufacturing facilities generate a surplus of used oil. It is difficult to dispose of used oil. You can tap into this enormous surplus by installing a waste oil heater or boiler today, we have these in stock.

Commonly Asked Questions:

Is it really free to heat with waste oil? Only if you can generate a sufficient supply of used oil. This cost is about 1/60th of the cost to run a comparable clean fuel oil heater. Most states have used oil suppliers if you do not generate enough on your own. Used oil prices range from $.50 per litre delivered. Take a look at the cost of diesel fuel oil the next time you are filling up your vehicle. Fuel oil is estimated to cost $1.20 per litre this winter. Crunch the numbers; the payback for purchasing a used oil heater is often less than 1 year.

Where can I obtain waste oil? Used oil cannot be safely dumped into the ground, landfills or waterways. Commercial entities that generate used oil typically pay a recycler for proper disposal. You can purchase used oil from recyclers or buy it directly from the source that produces it for nothing. The most common used oil producers are restaurants, quick lubes, automotive repair shops and factories that use hydraulic equipment.

What is the BTU potential of a typical gallon of waste oil? A gallon of used oil contains 153,000 to 180,000 BTU's per gallon. For comparison, a gallon of propane fuel will produce 92,000 BTU's.

Are there environmental concerns when burning waste oil? Modern waste oil heaters and boilers do not produce odours or smoke. 

The cons: As with any heating device, there are pros and cons. Waste oil heaters can require more frequent cleaning then a traditional clean fuel oil heater. If you follow the manufacturer's installation and operation instructions, you shouldn't run into problems. The money you are saving grossly outweighs the small amount of additional maintenance that may or may not be required.


The Back to Bones Heater Deal.
This unit is cut down for the home handyman that already has a flue and copper tubing.
It heater comes without the flues or oil feed basic heater only. All the parts are still on the heater to attach the oil feed and the flue to.
Selling at only $395.00 NZDollars
It will still come with our free email help service. 

So all you need to supply is an oil feed line which can be airline hose,, tap, and container for your oil supply and a 150mm diameter flue.

Paul, brought his plans a couple of weeks ago off our website, and I am delighted to show you all, his finished heater, he built in only a few days.

It's running at 350 F and sitting in pride of place in his home in Aussie, really nice job Paul. 

We have heaters scattered all around the world, great to see.

Thanks for your feedback great job.

Chaîne de sullysweb
The link to his heater is above on you tube.
We are currently copying Pats waste oil heater on Youtube, it's had 162,000 view's. Without the 90 mm tube through the centre and with straight legs. It will be buffed like his but better welds than on his. lol
Ok it's now finished and buffed and I'm about to take a video of in action for you all.
The difference is in the our bowl, as frypan can overflow with oil after long hours of burning, we don't use them, but a bigger bowl changes air flow so it is slightly different.
I have since painted it black  because it the purchaser puts it outside, the rain will rust the buffed steel. 

So this heater is now for sale at $490.00  heat that shed for free. 
It's now on sale on for the same amount here check it out. 
Comes with 2 lengths new flue and oil feed. We can add copper wetbacks if you want these at an additional price of 90.00 dollars, so a $50.00 saving. Saving all the way. It is now finished painted in Matt Black and ready to be delivered. If you pick it up well will give you a twenty litre container with it full of waste engine oil. 16 hours burning approx.

Well, well, well, I have gone and got a Pay Loader job, because it's not cold enough to keep me busy building these heaters so to pay the mortgage and the bills this is what has to be done. We have a few instock so if you want one built then it's going to take a couple of weeks to try and work it around this new job. Unless u buy the ones in stock.  We will still be building them don't you worry about that.
The loader is fairly new, fully airconditioned and press button this and that, heated seats etc don't       worry, I'll be comfortable rain hail or shine, but I will be still worrying about you guys getting cold out there.
 If you are interested in purchasing one of our heaters or plans, but are unfamiliar with the Paypal system, then please get in contact us, we will endeavour to accommodate you in another way, which suites both parties.
There is also another way, that is come and see me, we now have these in stock, call in and select what you want, and pick it up we'll even give you 20 litres of waste oil for you to start heating straight away with and yeah ok, and the 20 litre plastic container too. Make contact first to arrange a time, if you would like to do this, just to make sure someone is here when you arrive. We are pretty well open 7 days a week so just give us a call 0275138595.

*I'm thinking of selling just the burner units, why you ask, well I see a lot of cheap gas hotwater cylinders online for sale, some selling for a few hundred bucks so if we remove the gas system and replace it with a waste oil heater burner unit, that will heat all the water you ever wanted, and for free. I'm looking into it at the moment so I'll be back with what I have found.
I have seen it done on youtube and very effectively. A lot of the gas hotwater cylinders are designed to stay outside which would be perfect for this adaption in fact if you live in Hawke's Bay and have a cylinder you no longer want, please could you get in contact I will collect. I would love it to start on these. However this looks like it would be cheaper running on power with that fan they are using

Some people have the problem where the oil supply is kept in the same room or near the heater, all this will does is warm the oil making it thinner and flow faster. 
You need your oil to kept at a consistent temperature without getting warm, a needle valve will fix this problem, so if you are running the heater outside keep the oil inside the shed or visa-versa stopping the oil supply warming up.

We have heaters in stock NOW.
Got an idea, as we have these in stock, if you pop a deposit of $100 dollars, we will hold it in our warehouse wrapped and palleted, we'll pop you name & address details on it, we will send you a photo of what you have on hold, we will freight it to you (at your cost), when the balance is paid in full. You have 6-8 months to pay for it.
This way you'll be sure not to miss out this winter and you can pop money on it when you can afford to not when you have to. I'm very easy going.

Progress report, Monday 27th April. We have collected  the natural gas hotwater cylinder, I have unscrew the bottom plate and removed the gas burner unit, and the pipes to the gas controls on the side, this leaves a cone shaped bottom of the hotwater cylinder as it shows in this image. there's a hole that runs up the centre of the cylinder which is about 90mm with a deflector that sits inside it to direct the heat to the sides of the cylinder making the heating of the cylinder more efficient. This may need removing later.
I now need to add legs and mount the burner unit to the surrounding tin then weld a seating area for the bowl to slide in and out. Will get on to that tomorrow.
I don't know if I can somehow us the thermostat  possibly not.
I need to find out the max temps this will take before boiling it and expanding the cylinder past the poit of return. I think the tank is copper, which will be great if I find a leak, it can be soldiered.
 I see a lot of cheap good gas hotwater cylinders online for sale, some selling for a few hundred bucks so if we remove the gas system and replace it with a waste oil heater burner unit, that will heat all the water you ever wanted, for free. This would be excellent for underfloor heating systems  as you have a volume of hotwater to pump around the house and I'm picking it wouldn't take the oil burner long to heat that cylinder up.

I have seen it done on youtube but too effectively. A lot of the gas hotwater cylinders are designed to stay outside which would be perfect for this adaption I will be starting on these soon
Just a thought and I sure it will work perfectly.
Well keep you up to date.

This is the latest heater above we've built, being tested in the video below.

 We now test every heater we sell, to make sure these operate correctly before going to their purchaser. 

This heater is brilliant If I can say so myself, very clean burning.

You can have it as is, or painted heatproof black up to the purchaser.

This heater is available on the so if you would rather purchased through them, the price has dropped to sell now @ $1500,00 as a heater only or as you see it in these two images. Buy Now $1800.00 so it is exactly the same as here, but here u and I don't pay commission. 

Here stands a 45 kg drip fed waste oil heater, the beast of waste oil heating, suitable either as a workshop heater, or a large swimming pool heater, you decide. 

If it sells as a workshop heater, the price is $2200.00, if we have to add the 20 mm copper piping wetback and brass fittings to make it into a pool heater the price is $2500.00.

This heater comes complete with 2 lengths of 150 mm Galv flue.

A brass needle valve to control it.

Oil feed line able to connect to either a twenty litre container or a 44 gallon drum of waste oil.

Your choice wether you would like it painted heatproof black or as it is, in buffed steel.

Capable of reaching temperatures around 650 Fahrenheit although we recommend it operates between 350 and 450 F Temperature gauge will also be provided.

Should you be interested in this heater please email us at;

* This is not suitable for home heating unless it is installed outside the home and the use of hotwater is used to heat the home. These are designed for heating inside of a workshop. These are to big for the domestic house.

It is available as a heater today, however as a pool heater we would need a week to complete to Wetback. System.

Cheers Hamish

Michael's brand new heater Ready to be collected and made to heat the water that mixes with the milk powder for his calfs. I recon these calfs will do well being warm over winter.

Thanks Michael.

That's right, there is no room in our garage for our cars because of you guys wanting heaters built all the time.

At least we don't add the lease of the building to the product. Heater packed ready to send, heaters built ready to be collected, and large heaters in construction phase to be sold.

This heater has now been SOLD.

One large garage heater left Sold, one orchard frost protection heater middle, one fan forced heater right,  and finished. I tested it yesterday, it ran clean with and without the chimney. It is so clean burning it's incredible. Still requires the chimney for startup.

This fan forced heater is for sale.

This fan forced heater is for sale here and on for $590.00 so please email use if you are interested in it or go to trademe and buy it.. We haven't used the wife's hair dryer, like half the guys on youtube, instead it's a heater fan which is made for this type of heating
Very clean burning, gives off a lot of heat for free well almost, apart for the small amount of power to run the fan. It has a small opening to remove the pan to empty every 12 months, cause there's nothing ever left to remove except the little piece of troweling you used to start it.

The newly built and tested Fan Forced waste oil heater, finished.

Comes with everything one length of 150 mm x 1200 mm Galv flue No cowling, oil feed, gloves and temperature gauge and if you pick it up, I will supply you with 80 litres of waste engine oil which will last about 40 hours burning.  

Excellent for a large shed, Garage or sitting in the corner of the workshop. The heat can be felt 3 metres away so that's a 6 metre diameter, and clean burning as you can see. Ideally run, between 350 and 500 Degrees F. 

The top 1/3 of the heater can be unbolted and removed to install a coil of copper piping for water heating should you wish to.

Thank you for contacting us. We will get back to you as soon as possible
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Using Dried Corn for Heating the House
written by: Sidharth Thakur•edited by: Lindsay Evans•updated: 3/30/2011

Looking for greener, cleaner and more efficient fuels for heating up your house? Here’s an article that discusses how and why dried corn makes for a great fuel to use in heating stoves.

As conventional fuels become scarcer and costlier, homeowners are willing to experiment with and adopt unconventional fuels for heating their homes. Of late, corn has become a hot favorite for home heating purposes. But with that arises the big question – can you burn corn on the cob in wood stoves?

  • A straight forward answer to this question would be ‘No’, because regular wood stoves are meant primarily for burning wood, not even wood pellets. To use corn as a fuel for heating, a specially designed corn stove or a multi-fuel stove is what you’ll need to procure. Before we talk about how and why corn makes for a better heating fuel, we’d like to shun one of the common myths surrounding corn stoves. For most people who have never used corn as a fuel, a corn stove is meant for burning the cobs leftover after the kernels have been removed. However, that’s not the case and contrary to this popular misconception – corn kernels are burnt in corn stoves.

    There are reasons why the cobs are not a preferred fuel for use in heating stoves and the most important of these reasons is their low fuel efficiency and excessive production of smoke and dirt. Corncobs are mostly used for the production of charcoal, and although charcoal is a cleaner and efficient fuel, the cobs in their natural form can be very messy to use in heating stoves.

    Why Corn Makes for a Better Heating Fuel

    Even though burning corn seems to be a greener option because of the renewability factor, some people do have an initial inhibition about using this ‘animal feed’ as a heating fuel. Corn kernels are indeed a popular animal feed, but the corn kernels that are available for burning are the rejected kernels which are not fit for use as animal feed. That said - here are some more reasons to justify corn kernels as a better fuel heating your home.

    Completely Renewable

    Corn can be grown and harvested every year, thus its quick renewability earns it a higher score than even wood. Trees take many years to grow up and provide timber, also felling trees for fuel has a devastating effect on the environment. So when compared with wood, charcoal, coal or the non renewable resources, corn is the best fuel to use in heating stoves.

    Efficient and Economical

    Corn kernels produce more than four times the amount of heat that is produced by burning the same amount of wood in a regular wood stove. The heat efficiency of corn is comparable with that of wood pellets, and this high heat efficiency translates into great savings. The corn stoves come equipped with thermostatically controlled hoppers, which further adds-up to the economical efficiency.

    Cleaner and Environment Friendly

    As pointed earlier burning corn for heating is certainly more environment friendly than using wood, but its quick renewability isn’t the only factor that makes it a greener fuel. Corn kernels contain ethanol and oils, both of which burn efficiently without producing any dangerous gases. Also, the amount of smoke produced is negligible. Burning corn in corn stoves doesn’t leave behind any ashes, only a hardened clinker remains which is absolutely biodegradable and very easy to clean. Corn stoves are designed to pull in air from outside, which ensures that the air inside the house doesn’t lose its moisture and remains free of odor.

Email from Nigel.

Winter is coming though so I got back into it, made a frame for the water cylinder and plumbed it into the floor heating cylinder. Got it fired up today and the water is thermosiphing through the system, no need for a pump which is great. 
Still work to do, lag the pipes, make some heatshields,tidy it all up yahdeeyaydeeya.
And then see if it keeps us warm over winter. 

Nigel's Drip fed waste oil heater system, all setup to a hotwater cylinder and underfloor heating. Nice job Nigel.


Height;   1020 mm or 40.15 inches.

Width;     590 mm or 23.22 inches.

Depht;     370 mm or  15.56 inches.

Flue;      2400mm

Wetbacks x 2 x 800 mm long x 20mm Copper pipe or 31.49 inches long wetbacks.

BTU's  140,000 per gallon or 3.78 litres

Watts  41.0299 per hour.

Temperature Range 0 to 650 Degrees F or 

343 Celsius.

Burn Rate 1.2 to 1.8 litres per hour.

Price $640.00 NZD or $496.15 USD

Designed and built to heat homes or smaller pools                                                  like spa pools. A clean burning furnace.

Has a very large fire bowl. built to heat a 17,000 litre spa pool, complete with double wetbacks. 

This one is going to be all the techie gear on it, so a solenoid to cut oil supply off should the flame ever decide to go out. A Thermostat to keep it at a certain temp and not allowing it over that set temperature or under. Also fitting an automatic igniting system, so you'll beable to operate it without operating it so to speak..

The feedback from a customer, who purchased the plans, and built his own furnace.

Randy from Michigan USA, brought the plans only a few days ago, and now look what he has created from them.

Hi Randy, It looks great. Thanks for sharing it with us.

Got to say you'll be needing it with all that snow on the ground.

 What do you think the savings in the heating bill, for your shop, and house, 

not forgetting he could make more that just one unit saving even more. 

This is his email reply, interesting.

Hi Hamish

My house and my pole barn (shop) are each about 120 square meters (1300 square feet). For this winter season, I paid about $2450 US for 1300 gallons (4921 liters) of propane to heat both. So to heat two buildings totaling about 240 square meters, I am at roughly $2500US for one winter. If I set up your design to use for heating the house at least during the time I am home (when I can keep watch on it), I could easily save a third of that.($833.00US) Not bad for free heat. We have about 500US gallons of engine waste oil at our business right now - that should last quite a long time.


So for the outlay of only $21.00USD for the plans and a little more for the building of the heater, he's going to be saving $833.00US a year that is a huge saving. If you look at the savings in NZD then it converts to $1124.54. 

The verdict, those plans at $21USD are far too cheap. lol.

I also sent Randy an email regarding the the oil feed line and how the smoke levels would change, once it is fitted to the heater. I also mentioned the great job he had done.

 His reply:

Hi Hamish,

No need for me to take credit where credit is not due. It's your design, your testing, your hard work. All I did was follow a recipe and make a couple small changes just like any good cook will do.

I am getting ready to go 1200 miles away for a 6 week indoor project at a distribution facility so I am probably not going to have much time before I leave to do any further finalisation on this oil burner. The fact that it works and burns well is good enough for me. I have some ideas I want to try and by this time next year, I expect I will probably have made several with different modifications for different purposes (heating our pool, setting one up for a sauna, making one for my business partners garage). I am excited to install the drip line. It is ready and hanging in my shop but I am pressed for time so there it will sit for now.

As for the smoke, the video did show a little smoke but it was really a very small amount. I am confident that when I get the drip set up, I can reduce it even further but if not, the amount of smoke produced was what I would consider very minor for used engine oil.

Enjoy your summer. This morning it was -2F here and the high was +15F during the day. Kind of a "brisk" morning to be sure.



The New Orchard Heater.

The new prototype of orchard heater, designed to be placed between two trees to keep frost off the fruit tree.

Standing 200 mm off the ground to stop charring of the grass & ground. Burns fairly clean.

Runs on your waste tractor or car oil or even cooking oil which should be a huge saving. Has a slide air intake to clean up the burning.

The furnace comes with or without the cowling depending on your situation. 

Priced at $100.00 NZD without the cowling & $150.00 with the cowling.

As it is, waste oil is poured inside it and lite, with a gas torch.

If you are an orchardist and you like what you read about this heater and the savings, then send us an email, we'll be in touch.

Report from another customer that picked up his new hearter from Christchurch.

Hi Hamish,

Just a quick note.  Finally picked up the heater the other day.  Was away with work which was a pain.

I am very impressed.  It is well made and thought out.  Instructions are great.  Its taken the guesswork out of everything.

Good luck going forward.



Run your car on veggie oil from you restaurant in your diesel cars only.

We love to save you money!!!

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James, Nice brand New hot tub heater, on it's way to Christchurch. Check out that finish. 

These heaters are designed to thermosyphon, to give maximum hotwater output. 2 x 20mm wetbacks installed inside this unit. 

To the right, looking down inside the heater at the two wetbacks which exit out he second burning tube. These are right in the fire path.

Just testing to see how the new drilled tube works.
We have slipped the stainless steel mess tube over the drilled tube to hide the flame a bit.
We have only poured oil in at the start and not fitted the oil feed to the heater, but it seems to get going with the new tube and no smoke I really like it. The water would have heated up if we left it to run with oil feed, but just wanted to test the tube at this stage. another wetback is yet to be fitted.
It is a larger unit if you have a large area to heat, this would do it. 
Free heating water and air hard to beat. I apologize for the sound, it wasn't the heater making it I think it was the water. We will be looking at $600.00 for this unit  finished.
Finished Cleaned it all up and now in Matt Black complete with copper coil wetback, and thermometer.
This would be ideal if out camping and you need have hot water for showering and washing up, it is very clean burning and is now SOLD.
This is quite an amazing little heater, in what it can produce heat and hotwater.
Comes with the usual oil feed and 1 length of flue and cowling. Would be best setup outside.
I had this going today with the water connected to a 20 litre container, but only had approx 10 litres in it, within a few minutes it was producing steam and heated the container to the point where you couldn't touch the outside of it, in 4-5 minutes, it just pumped out steam not hot water and this was running heat wise at 220 F which it just over the 100 C. So this equals 11 Kilo Watts 
I took a video for you guys, but only went for a few seconds so wasn't worth putting it up. 
An amazing little heater, very clean burning too.
The large pool boiler. Priced at $2500.00 for any pool up to 70,000 litres, has 4.4 meters of 20 mm copper pipe wetback inside, complete with quality bass fittings.

The two wetbacks showing the hot outlet pipes.

This is certainly going to heat that 70,000 litre pool with ease.

Two more drip fed pool and spa heaters on there way to their new owners. 

   Thankyou to everyone who has purchased heaters and plans, this little invention/hobby has taking flight.

Constructed a metal bracket from the gas bottle handle and screw it to the wall. Perfect no leaks.

This is an inline water trap to remove water from oil.

How it works, is by using the long tube in the jar as the inlet, coming from your oil supply, waste oil enters the bottom of the jar. If any water is present in the oil, it will fall to the bottom, showing a separation between the water and the oil. The shorter tube is the outlet which feeds the burner which uses only the clean water free oil from the top. If the jar fills up with water it can now be removed by unscrewing the lid and emptying it.

How can you tell you have water in your oil?

It sounds like bacon cooking, it spits, sparks and pops like small explosions inside the burner pot. 

The water stops the heater from reaching it's correct operating temps so it has to be removed before burning.

The larger wetbacks now fitted into all hot pot 9 heater to enable pool heating up to 20,000 litres.

Two cold inlets at the bottom and two hot pipes outlets at the top, giving a 40mm diameter wetback.

When in full operation the bottom burner and the tube with the holes glow red, and those copper pipes are right in the heat zone.

I could put another length of pipe in it, it could heat your hotwater cylinder too.

I would think it could take 4-6 lengths of pipe inside for water heating.

But you really need to be within 5 metres of all the water units to heat.

Another one off to the Bay of Islands to heat their life and hotwater for free. 

Another large pool heater built, still the same size wetback inside it as the 45 KG ones, but smaller in looks.  The wetback is on the ground behind it which needs installing, and it will be off to Waverley to heat a 60,000 litre swimming pool and the pool outdoor area all for free.  

All welds checked and buffed.

 All the old paint has been buffed off, and  re-painted with heatproof paint.

Very tidy. The two wetbacks fitted and another one will be on it's way to it's buyer. Free pool heating at it's best. An amazing product.

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Click on this image to purchase your plans 

at only $21.00 USD or $27.00 NZD.

Start building yours today and start saving your hard earn't money for other things other than heating bills.

Times are getting tough out there,  job looses are huge, and hard to find another one, cause you're getting older, money's becoming very tight for alot of us, but at least we can keep or homes warm for nothing.

Something had to change and fast, and luckily I've made the change with this waste oil heater, we haven't had to buy those large gas bottles again it's been a huge saving.

So I know that your spar pools are costing huge money just to heat it.

Maybe you should check this heating system.

After talking to a guy yesterday about his spa pool and the cost to heat it, he said the cost to run his spa pool was something like $50.00 dollars a week. That's an additional $200.00 dollars a month ontop of your power account, $2400.00 a year.  Why are they so expensive to run. If you used a waste oil heater at only $640.00 with a wetback you would save $1,800.00 in the first year and 2,400.00 every year after that. That's a nice saving.

In the beginning I searched the net looking on how to heat my home for free, it seemed almost impossible, solar heating sounded great, but expensive to install and really wasn't the way to go because when it's freezing cold, solar doesn't work at all. I know i have solar hotwater system and in summer it's excellent because of our hot weather.

I currently have the power turned off to the hotwater cylinder it's that good at the moment being summer time. But come winter it's starts costing money because it slowly pumps warm water up to the panel to stop it from freezing, therefore requiring power to heat that water that has cooled down keeping the panel from freezing. 

They don't tell you this when you buy a hotwater solar panels do they.

There are guys out there with flame throwers of all shapes and sizes using waste oil to melt aluminium, which isn't the safest option for inside my new home, I did find all sorts of ideas that sort of worked, but not quite, so I started potting around with the idea of using this free waste oil which at the time seemed a little like burning car tyres to me, and after living under a black cloud, for quite a few weeks, I finally cracked it, So designed it, test it, cut it up and turned it upside down tested it again, and re-built it, tested and tested and tested some more, now we construct these free heating systems for you to order, so here they are for the whole world to see and save on their heating bills. 

I found that they were a very safe heater that didn't alter in temp much at all once it was set, throughout the whole day it may alter 3 degrees. Removing the frypan for a larger pot  really controlled it better, stopping the Chernobyl disaster effects. 

So now it runs like a gas heater, safe, quite and no smells, even I can't believe it at times, i will stand there and just watch it and really wonder why this hadn't been developed earlier.

So now this heater heats our home when it's raining, freezing cold, cloudy, and  just miserable, unlike solar and it works for free. Its safe, it's very clean burning however still is a little smoke at startup but that disappears quickly as it heats up.

It will not only heat your home for free, but also your hotwater needs too.

We've heated our home, with this drip fed waste oil heater for the past four years, and I'm still  amazed by the clean heat these heaters pump out, its just incredible. I lite mine last night the furnace was running at 167 degrees Celsius and the radiator was pumping out at 43 degrees Celsius, the house was so so warm, just beautiful. No Smoke at all, in fact you couldn't even tell if it was going by looking at the flue. 

I spoke to a customer who purchased the plans and built his own heater, at the Supermarket last night, asked him how his heater was going. His replied he was absolutely wrapped with it, and he had already burn't 100 litres of waste oil, clean burning too. It heats his whole workshop for free. He said, he was so happy with it, and couldn't believe it was all free. He also said all his mates want one now.

We build heaters and send them New Zealand wide, and we sell plans worldwide, how to build your very own free heat system. At $27NZ or $21.00 USD we aren't exactly asking much for our invention, but we do want you to know how to build your own, and bet this fixation for the need of power, as it's the only way people will get to use the product world wide and save their money. 
And really that's what this is all about.
There has to be another way and I think we may have found it. It has been used for years in country's like England.
But not that common anywhere else in the world.

We would like to offer this proven free heating system to everyone worldwide, however I do think burning fossil fuel is wrong, although you can see with your own eyes from these videos, these can and do burn cleanly, and for very long hours without much participation or input, unlike a smokey wood fire. 

I do ask of the buyers of the plans, when they do decide to build it, please use a needle valve with these. Then the whole system works perfectly. Heat levels stay the same and only may alter 3 degrees over a 6 hour burning period. 
These heaters runs on waste oil, burning either canola oil or waste engine oil, it will burn these cleanly, and these oils are available free, from your local fish n chip shop, bakery, or the gas station where you get your car serviced. Or if you have you own supply of waste oil convert it all into free home heating like a lot of guys I know have.

This kills two birds with one stone as it removes the buildup of waste oil containers out the back giving you more room for business operations, removes the hazards, tidies the place up, and heats the workshop or home or pool all for nothing.
Lets face it we all work better when where warm, rather than freezing cold..

We are here to show the world another form of free clean energy, that will keep you warm when its dark, cold, snowing, wet and raining and even if the power cuts out.
This form of heating has been around for years and is still being used worldwide, infact 80% of the worlds waste oils are burnt for heating so lets face it there aren't any nasties being expelled into our air it's all burned. Otherwise this would be stopped for certain and if there were nasties going into my air zone we wouldn't be doing this at all.

Please enjoy this free-energy website we are only out to help let's face it I wouldn't think there would be many on the net offering this free energy and at such a cheap price.

The only price you pay is either for the heater itself, or the plans. You will never pay a cent more for you home heating or hot water requirements, so get started now and start building your free heat source. You won't ever look back.
The build is easy to do for the average person, with a little knowledge in welding, you could make it in three days and heating what ever free. Think about it. Alot of you will already have the parts for it lying around your home like I started.

If you need help in any shape or form at any time during the build, my email is open 24/7, the help is 100% free.
If you would like to know anything at all, my email address is
Thanks for taking up your time.
The Drip Fed Waste Oil Heating Team.

Installing Solid Fuel heaters

Info for flue setup and instilation.


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This sieve was cleaned before I poured in 40 litres of waste oil, look at the crap it collected. A very cheap basic filtering system that works amazingly well, and this is our only filtering we do before the oil is burnt, apart from removing the water from the oil.

Make sure you filter your oil before you burn it as this stuff will block most taps and needle valves up all day long.


Nigel's new drip fed waste oil heater finished, complete with smoke catcher and with 20mm ladder wetback, ready to forward to the freight company today. Designed for long term burning with the large burning bowl. 
This heater is designed for spa pools and hot tubs with its ladder wetback installed.

This radiator is putting out 61,354 BTU/hour or 17,981 watt.
So yes the radiator is heating the cat not the other way around.

-3 degrees tonight, and look who's found the warmest place in the lounge 44 degrees underneath him.  Was a rescued cat, been living wild, now three feeds a day, has his own personal guard dog to break up any cat fights that may happen between him and his pedigree burman brother from another mother.
He just loves the radiator, he's sound asleep on it now.
The radiator is heated  from the drip fed waste oil heater outside. No pumps or power used with these heaters. The hotwater risers up from the heater, heats the radiator and as it hits the cat it cools the cold water then drops down to the heater outside to be reheated and sent around again and again all day long heating our home and the cat.

Aaron's new drip fed waste oil heater for his bus is on it's way to Wellington. That Bus is going to be so warm inside. 

Excellent for inside protection over the second burning tub stopping any smoke that might want to go elsewhere but up.
A nice heater  for a bus. 

Ken's huge drip fed waste oil heater finished and sent.

This is now heating his pool, a very big unit. For serious heating requirements. Pool size 50,000 litres.

Has a ladder wetback below image inside it.

Currently installed at Waverley.



The wetback going into this 45 KG pool heater above, now to be welded up and about to be installed. Pressure testing and any holes welded up again.

It's over a metre in length total and 220mm wide x 20mm copper pipe.  

Built to heat a large swimming pool.

A few heaters wrapped and ready to be delivered. 

Order yours now.

We send these palletise now, reducing any damage in transit. 

The other old faithful in my life, she's so Hot she's had a new lease of life after doing a 2 year stint without any maintenance on her at all. 
She's just keeps on giving us free energy year after year. This year we are replacing the galv flue with stainless reducing rust flakes falling inside it and building up. The flue is about 5 years old so time to upgrade and update it.

The galv flue has been rusting over that time form inside, sending flakes down inside the burning chamber, and  sitting onto any ledges it could find on the way down, stopping it even from lighting up properly. Time for a clean.

So I pulled it out cleaned inside and out, shouted new legs and larger pot, new pot housing, cut the tube off , and cleaned inside re-welded it back on. Made a heat proof cocoon from a 44 gallon drum, and re plumbed the wetback, don't know about the blue, we may have to paint that. Fulled the radiator with 6 litres water, then light it up. It's heating at 250 Fahrenheit and the radiator is running at 44C degrees. The oil is running just slightly more that a drip, pouring into the burner. I do like the larger pot rather than the thin frypans. I find ash doesn't become a problem anymore.
The other thing,  I can't hear it going from inside the home. Brilliant  really pleased with it.  Just need to level it up when she cools down. Oh No smoke excellent. I don't think there would be a cheaper heater/furnace on the market, not only to purchase price but the running costs. 
Get yours today and start saving yourself, one hell of a lot of money.

A few images of the heater operating at 400 degrees Fahrenheit glowing. 

Waste Oil Heating, Oil, Heating, free home heating, Water heating, free,drip fed waste oil heating, water heating,


Never pour water onto an oil fire, it will explode to 30 feet high.

Use a powder Fire Extinguisher only.

NEVER EVER USE WATER. Just turn off the oil flow and wait till it subsides.

Rain is fine as it doesn't enter the fire. 

Forget Energy-wise tips and tricks in saving energy, this is totally free energy.

We have designed these heaters/boilers that heats your home for free.

You can purchase your new waste oil heater

Right Here


Here at Drip Fed Waste Oil Heating, we design and construct all types of waste oil heaters for your heating requirements, large and small, for home heating, hot tubs, spa, and radiators even swimming pools.

We can setup a system for your own home, giving you a firm quote,  wether direct heating from the unit or via hot water through radiators.  

Please get in contact should you want more information about this.

Being a free form of heating, the demand is steady, not only for the warmth but their water heating ability. 

Able to be installed outside the home seems to be a great advantage. 

Running on a waste product which normally cost the garage and fish n chip shop money to remove, is available all year around and totally free from alot of these outlets, any tidies up their business too. 

Burning up to 1- 1.2 litres of waste oil an hour you don't need a huge amount to get through the week. One 20 litre container lasts four nights burning with the help of a needle valve now.

Burning cleaner than a wood fire, and the cheaper price, makes them a great option for the outside sheds & workshops,garages, hot tubs and spar pools. 

In New Zealand, we are now coming into spring, and we have had a few very cold winter days and nights, and we will have more for sure, but it is certainly warming up which is nice. Maybe you need to start thinking about this type of heating for next year as the cost of firewood is not a cheap option, I saw a tandem trailer load of gum last week on the side of the road selling for $300.00 how many trailer loads will you burn over winter 3-4-5, these waste oil heaters sell at $550 for just the heating and $650 with water heating capability and 99 percent cleaner burning than the wood fire.


The waste oil heater has been connected to a 1800 mm water radiator inside the lounge. The water thermosyphons up to the radiator then, as it travels along the radiator, it cools and drops back down to the heater to be recycled and reheated again and again all day long. the radiator holds 6 litres of water, we have used 20 mm copper pipe for the piping, which is insulated.

The waste oil heater runs outside at 250-350 degrees F ,and is enough to heat the whole house upstairs after and hour.

It a lovely form of heating, the radiator heats cleanly and within the hour the place is warm but not stinking hot.


Well known for the use of hot houses, there's a lot of interest in these "drip fed waste oil  heaters" and their free heating capability. So long as everything is kept clean from oil and you don't need to touch the stuff it is a great source of free energy. 

Piping it to where the fire is, is a good idea, using taps and drums to contain it. Under the fire we require you to have a catchment area should oil drip at any stage, and it is a councils requirement that storage containers of waste oil do have a catchment area too. 

While we are on safety issues the heater will need cleaning out the every-time you start it and every 10 hours of burning approx this is to stop the ash building up in the frypan.This is only frypans as they don't hold a lot.

We now build them with larger pots. The cleaning of the pan can be done with a screwdriver to flick the ash into a bag to contain it, and keeping everything clean. If you have a pot installed this will last many hours longer. Soot and ash can accumulate up the second burning tube, so it would pay to stick a long screwdriver up inside it from time to time and clean it out. 

The flue will require the odd clean too. It will burn alot cleaner cleaned out regularly.

 I trust my heater to operated a the same temperature, it will not alter. I turn on at 4pm and off 10.30 ish I will check it when starting up other than that.  When I'm finished with it I turn off at the tap, at night and go to bed without checking it is out, it is that reliable and safe.

Selling the complete units are a bit of a hit with my customers. There has been no complaints to date, which is excellent. Mind due, who wouldn't be happy with free heating. Time for change maybe. So long as you have the ideal area for it of course. If waste oil isn't your thing, use canola oil, from your local fish n chip shops, you'll need to filter out the wildlife, chips, sausages and bread crumbs before burning.

I have a few guys building these waste oil heaters, off the plans at the moment, which I'm in contact with weekly, just to see how they are going and checking that they are having success with their build. Check out the customers waste oil heater builds Tab.  

It takes me about 6 trips or so during summer, collecting enough waste oil in 20 litre plastic bottles normally 80 litres at a time to heat the home through all of winter. That's only as I full the car up with petrol. I don't go out of my way to collect it either, and never will pay for it. England has had these types of heaters everywhere doing their bit to remove this oil cleanly from our planet, and it has been around for years so it's not new in anyway, just recycled.

The days of cutting live trees down for firewood and, splitting them up into pieces and storing them under the trees over summer to dry, then moving it to the wood shed then into the fire box then into the fire to burn is finally over. It use to be a major undertaking I know. Now its pull the pan out a bit add 1/2 cup of oil/petrol mix and maybe a piece of rag, light it, and turn the oil flow to where it needs to be and walk away, turn it off at 10.30pm. It's that easy. 

The type of oil that can be used in this heater is engine oil, from cars, or trucks, transmission fluid, diesel, fish & chip shop old waste canola oil. 
Basically it needs to be engine oil without contaminates any oil will work in this heater, and the best of all is all of the above is available locally in large quantities. 

It's the kind of heater, I trust, I can leave it for hours, go into town come back and it's sill the same temperture as when you left. It doesn't alter, once you have it set. I use a brass needle valve/air line taps for the oil feed. Needle valves makes waste oil burning safer. So if you are making one just from the website please invest in a needle valve, they are not cheap, but well worth it. It has to be totally safe. A catchment area under your fire for any spills/cleaning that may or may not happen. Be vigilant about the place you install it.

 Even though its safe you still need to be careful.  

If you are thinking of heating your home with it, I would suggest that the heater be placed outside the home, and screwed on a concrete pad with a red brick firewall surround and a roof of sorts, and running hotwater pipes inside to radiators inside the home.

If you are thinking of heating that cold shed/garage then install it inside the shed for its radiant heating ability away from anything combustible of course maybe even a corrugated fire proofing around the back of it. 

Waste to Wealth.

Did you know 80% of the worlds waste oil is burnt for heating.

We've done the hard yards for you, we sell waste oil heater plans & complete heaters units, with and without wetbacks, that are proven to work with very little smoke, and they can heat your home totally free.

These heaters as they will give years of free heating.

Cleaning the inside out every two years isn't to much of a mission.

Remove the flue and suck out anything that may have come down the chimney and sat inside the edge of the bottle. 

Check the holes are open, clean down and repaint it good for another couple of years.

My thoughts are, do it right from the start.

The hot pot 9 will do everything you ever wanted in a waste oil heater.

From heating your water, and the air around you.

The plans come complete with images on how to build it and explains exactly how to build it properly and where to source the products.

A lot of these bits that we use most people would have around their home rusting.

A gas bottle some flue your half way there.

The last guy said to me it cost him $10.00 for the 150mm tube and 38.00 dollars for the copper oil feed and tap, all the rest of the stuff he had laying around his home.

And when I went to see it, he had it all painted up and going.

I will help you throughout the build so you get it right the first time.


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$21.00 USDollars.

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After you have purchased your plans, I'm notified via Paypal that your payment has gone through.

I then send them to you via email.

I do send by post but only if no other way, email only.

There is a $5.00 extra for postage & stationary, printing.

Once you have received them, please send me an email to confirm you have them.


An email from our customers: 

Thanks for this Hamish, -   Brad here from Melbourne Australia

Hopefully I get make one of these,  I'm a bit tied up with a few things at
the moment though,  (... and I can be a bit of a " gunna " lol )

I decided to buy your plans purely because it appears to me that you've done your homework, and that its a tried and proven design.
and I'm sure you wouldn't be selling if they weren't,....

I particularly like the fact that that there is very minimal smoke etc. that is a must these days..

I have one question please, I was hoping to make a slightly more compact
version, not so high overall about 300mm - 400mm shorter in height

Is this possible by shortening the legs slightly, and also the burn tube etc.  without effecting its efficciency much....? 

Thanks Hamish,


Hi Hamish,

The plans look really good and i can see you have put some considerable thought into them.
Thanks again for the plans.

Hi Hamish
Yes, 99% smoke free. Runs cleaner than my home log burner definitely. I added another 1.5m of flu I found at the dump and that made all the difference. Draws better, burns cleaner. Only smokes on start up really and if I get  a bit of water in my oil. Only issues I'm having are with my fuel feed line getting blocked now and again so I'm going to start filtering my sump oil somehow, probably just a mesh strainer. 
To run this hot tub in winter on electricity would be $70-$100 a week! No chance. I got the tub for free from a bloke who couldn't afford to run it anymore. I'm really thinking about if I extend my house one day I'll get another one for a house radiator, it's so good.


I've welded all the holes in the tube now look going it almost is impossible to do have a fire with nothing coming out the chimney. The only problem with is it doesn't get up to 400 degrees F so holes where put back into it and is still smoke free and heats my house.


Radiators provide radiant heating. That means a solid object (in this case, the radiator fins) is heated instead of the air itself – creating gentle, ambient warmth that evenly heats the room.

Central heating radiator design has come a long way since the institutional school heaters of old; today’s models come in a range of styles and sizes to suit all kinds of interiors. They can be linked to a variety of boiler or waste oil heater, heating systems and are free to run, when linked to an energy-efficient water heater, like a hot water waste oil heater.

Radiator heating is an excellent option for existing homes because they can be easily retrofitted to your existing heating system.

Even Pussy Cats around the world are logging on to this website to finding out more about this free heating system from
Drip Fed.

I want to show you how easy it is to heat your home totally free this winter, and without smoke or loads of firewood or power or gas. It's a clean burning waste oil heater, you don't believe me, then watch this video.

I say free heating but there is an initial cost of setting it up. 

An estimate in having this setup in your home with radiators is approximately $2250.00 and that's all never to spend a dollar more for you're heating. The oil you would need to collect. Which could be done from your local fish n chip shop or local garage of if you are local I could even share my supply of oil as there is just so much of it.

Radiator Heat settings

Oil Boiler Temp        Radiator Temp

350 Fahrenheit      42 Celsius                    

This is the temperature I get from the waste oil heater running at 350 Fahrenheit and the corresponding temps the radiator inside the lounge is pumping out 43 Celsius. 

The fire/Heater was removed today, and 20 mm holes drilled, for copper pipe to be inserted through the 150 mm tube and into the garage, and then up to the radiator. It will thermosyphon by itself so no pump will be required or pressure release valves either.

 I used Crox fitting and hemp and graphite for the whole job.

The Radiator is now plumbed in and was tested to see if it could make steam, on  low fire heat setting, and Steam it made.


I used 20 mm copper piping there is only 2 x 150 mm of it through 150 mm tube with the holes in it. I had the plumbing guy in, with the delivery of copper pipe and he was amazed at how I made steam from the waste oil boiler totally free. 

The copper pipe and fitting were expensive. Got it all going and it now it heats the whole house totally FREE. See the video to the left. As it's not conected to the main a pressure release valve wasn't required.

 I ran it for 6 hours, the whole house got that hot, I had to open windows and doors to cool down, roll on winter I'm ready for you.

 I was amazed the cats weren't lying on each end fast asleep. It'll Happen!! 


The wetback system constructed with 20 mm copper Pipe and crox fittings and that's enough to heat our house amazing eh. The waste oil heater working hard in all weather, This is one of the oldest waste oil heaters we have made and it has provided us with lots of free heat and been invaluable this year again. A rusty  oldie but a goodie.

It has been outside in all the elements now we have a padio heater cover over it to stop water entering and slowing down the rusting.

I have just pulled it out yesterday and have given her a clean inside and out, Complete with a paint job she's going to go another two years before we do this again. 

Same picture as above but running at 450 degrees F at night, heating the water.


With my heater, has now been operating for the last two years without a clean, now I see soot flakes have started to expel out the flue at start up.

The other night the fire snuffed itself out, it got that bad. S

this morning I cleaned the flue and the burner inside, what came out, blocks of carbon build up and flakes enough to full a bucket, after seeing that, I dought if any nasties get into the air, as it's all kept inside the heater.

So maybe a clean once a year maybe good advice to you guys who have purchased these heaters, and who have built there own.

That's about the recommended time for a wood fire, so as we are looking at "clean burning" it's a good idea.     

I burns very clean now.

This was our waste oil heater for the past two years.

It has been brilliant, all the free heat you would ever want, at times too much heat, just far too powerful for inside our home so it's been sold for pool heating.

 I remember my daughter with her back door wide open in winter, freezing cold, saying "it just too hot dad", Not that it mattered wasting all that heat it was free anyway. 

I started my hot pot 9 heater, popped in the starter fluid, lit it, turned on the oil flow, and within a few minutes realise it was sounding like water was in the oil. The oil had built up ontop of the water, not too much, but enough to startup my own Chernobyl reactor with that sounded of bacon cooking with the odd explosion inside the pot.

The temperature whipped up, and the smoke became dark out from the flue, like you were burning tyres, and stand back, I turned the feed off. The wife sticks her head out the window it sounds like a truck coming down the street, You OK she said. I thought, she would be use to that by now, with all the experimenting stages, had a few of these, but with this big oil heater. It started blowing smoke rings out the holes in the tube, very impressive. So don't let the oil build up at all or look out. 

It soon came right and settled down with not a drop of oil floating in the pan just glowing ash. So this is how these should burn. 

I must say that the water trap works so well, I haven't ever had that problem again. 

I have tried the hot pot 9 burners with the bigger pots, and have tested them to see if this would happen, and I wasn't able to get the chernobyl reactor going in these, it just smoked a little bit, but didn't go into that burn off stage which is great. This is when you need a catchment area incase you supply more oil into the fire than it can burn and start overflowing from the pot. Cause waste oil is a awful stuff to clean up.   


Fuel sources:    Energy content

* diesel             (~140,000 BTU/gallon)

* biodiesel        (~130,000 BTU/gallon)

* kerosene       (~140,000 BTU/gallon)

* trans / motor oil (~140,000 BTU/gallon) Waste oil.

* vegetable oil (WVO) (~130,000 BTU/gallon)

*Corn at 13% moisture ~ 7,316 BTU per pound

*Wood pellets vary ~ 8,000 BTU per pound

 Statistics are averages taken from various online websites.

The Hastings District Council doesn't allow waste engine oil being burned in anyway, yet in some cases it allows  Kroll heaters, and there are quite a few business using these waste oil systems, sound like the some pigs are better than other pigs syndrome, however I would say Canola oil from you local Kools Chicken Dairy is only 200,000 btus under waste oil. Still good for heating but will need filtering to get the chips & crumbs and wild life out of it.

My wife was about to pour a litre of used canola oil down the drain, how many people have done that before, I stopped her and said don't waste it I'll take it and heat the home with it for an hour. 

Check out for more of the begining videos. thiis was the testing the smoke stage. The finished video same as above.

Ash build up

The results of burning waste oil for 6 hours at high temperatures. If you burn't for twelve hours, there wouldn't be to much difference in the amount of ash.  I used a small piece of towelling to start it, however I don't think this is required at all, as most of what's left is the towel. To remove it turn the pan upside down, most of it will fall off. 

When it is burning correctly all you see is flame, no oil floating at all in a pan. 

Thank you for contacting us. We will get back to you as soon as possible.
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Please Note Prices are now all in US Dollars

& NZ prices beside them.

This is because Paypal seems to only operate in USD in my case. New Zealand's if you aren't happy with this, we can do in NZ dollars just get in touch by sending your email via the above form and we'll be in contact.

Purchasing plans via this website are $27.00 NZ dollars or $21.00 USD.

If Paypal isn't for you get in contact and we'll do it another way.

Plans are selling well a BIG THANKYOU to everyone who has purchased these.


At 550 - 650 degrees fahrenheit we would be looking at up to 1.8 litres per hour.

But really does this really matter, as the oil is free.

Since I have put a larger bowl and cleaned the old girl up, we seem to be running in economy mode @ 350-450 and the radiator s running at 

42 degrees C and that's plenty to heat the whole house.

Thankyou to all that frequent this website. 

I do hope it is really helping people with their heating situations.

If you are building one from the images on this website and  haven't purchased the plans, that's fine, and you can't quite get it going right or smoke free, then please contact me I maybe able to help.

Cheers Hamish

We use Steels Plumbing Ltd for all our Plumbing fittings, Excellent prices and service Thanks Tony & Glenda

The latest heater on it's way to it new owner in Wanaka complete with wetback. Going to heat his hot tube nice.
Looking good there Ham. Got mine working great now.
I can now work in my garage when its cold outside. And i don't have to throw my oil away so i love this kind of heat! Thanks Doug.

The old faithful 2 years of keeping our home warm.

It's just too big and too much heat for our home so it is now off to Whangamata to heat a spar pool. 
Make sure the bubbles are from the blower not the heater. I do hope you enjoy all that free heat it puts out.
Thanks Doug.

Purchase your next welder at a cheaper price.

If you don't have one of these little babies in your backyard, heating your house inside you are paying far too much for you heating.

Free, Clean burning, waste oil heating. 

Don't miss out this winter, you really can't afford not to.

Another one made and off to the customer tomorrow morning. Thanks Jon.
Now winter is here at your doors,
these heaters are becoming a hot hot item, thankyou to all that have purchased them.

 I'm going to put it out their, If there are people out there that are interested in helping us, and become part of the team in taking this free heating to the next level. Please get in contact. We would love to hear your ideas and what can be done to improve our system.

I think we have something quite special and unique. Once the initial cost of the heater, which at $550.00 isn't that expensive compared with wood fires. 

You have for the rest of the fires useful life a totally free clean burning heating system. Rather than paying out for expensive firewood year after year.

Brass Needle Valve 
Perfect for waste oil burning. There is no fluctuating in the flow.
If you have a waste oil heater please use one.

Thank you for contacting us. We will get back to you as soon as possible. Thankyou Hamish
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If solar hotwater is the thing your interested in, then we have also fitted a solar system on the roof, and if you want some information from someone that isn't out to sell it to you one expensive unit, then check our solar website out. Pro's and cons on it. It shows how to build your own retro fitting to fit your existing hotwater cylinder and how solar controllers operate.

Like all solar units, when the sun don't shine buy a waste oil heater.


The Team at Drip fed waste oil has constructed another waste oil heater for you to view, soon after construction in testing mode. It reached 550 degrees F for one hour and ran at normal temp of 300 degrees F, turned it off after 9 hours. It went through approximately 8 litres of waste oil in that time. It a very safe and reliable heater, stays at the set temp and didn't alter at all. I did leave it for an hour while I went into town. The units smoke level is very little, and I think is acceptable and will improve with more than 1 length of flue on it and time.  

An excellent heater, available to purchase through this website, and at the moment through 

The plans for this heater is now available through the Purchase your heater and Plans tab at the top of this page.


These Hot pot 9 heaters are for sale on this website should you wish to purchase one. 

Waste oil heating free heat complete with wetback.

Please notice in the video above, that there is not a drop of waste oil anywhere on the ground. We do like to keep everything oil free. And there is No smoke at all when in operation. This heater has been up at 650 degrees F, it would go even higher however the temperature gauge doesn't.
This heater is clean burning and never smells of oil.

I have temporary install this heater in the garage, and been running it today to check for any smoke leaks, all good.

I have since installed it outside the home. 


To My Overseas Customers Thankyou so much for checking us out.

I see a lot of people from around the world looking at this website, and I can see why, winter is approaching somewhere in the world, heating becomes a major money concern.

Firewood is a huge price nowadays to keep the family home warm and can be a lot of hard work in getting the stuff. 

A twenty litre plastic container of waste oil will heat my home for two nights. 

I have priced, to send a waste oil heaters over to USA, the freight price is for one unit is $600.00 NZ, just not worth it. So get out in that shed of yours today, and start making one for yourself. Stick some copper pipe in it and your've got free hotwater too. Purchase the plans first so you get it right from the start.

I'm prepared to help you make your own, and help throughout the build.

All that is required to build this heater, is a welder, an angle grinder and a drill and steel

It is all set out in the plans, each step with images to show you what yours should look like. I have had people copy it from the picture then ask me a couple of weeks later, why theirs smokes like a --------- and mine doesn't, well there are a few secrets.

Buy it once and get it right from the start. Don't try coping it from the images and ending in a smoking out your neighbourhood on a still day. It happened to me a couple of times a few years ago now when, I began building these, how embarrassing, It's not funny when this happens at all. Thank god those days are over for good.

Thank's to Ozzirt Ozzirt, Jack of all trades JackofallTrades383, Rm Duck RmDucks you guys are amazing.

All the best, and I will see you on the other side.

Regards Hamish also known as Fireman Jim on YouTube.

 I do hope I haven't frightened you, out of waste oil heating, Oil has an amazing amount of energy stored in it, so if you still interested in purchasing plans, then please do, click on the Buy Now button below. Talk soon.

All the best in the future guys and thanks a lot for viewing our website keep warm and all the best.

We accept all credit cards. Should you have trouble with Paypal payment system contact me and we can look at other ways around it.

Thankyou Hamish.

Thank you for contacting us. We will get back to you as soon as possible
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                      How to install your own radiators.