Candle Powered Air Heater - DIY Radiant Space Heater - flower pot heater - Easy DIY
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- Опубликовано: 16 окт 2024
- Candle Powered Heater DIY Space Heater. Clay/Terracotta pots absorb the thermal energy of the candles and convert it into radiant space heat. Reaches temperatures of 160F to 180F. Heater stays hot for hours. use caution, the inner chamber can reach 500F. heats a small area very effectively. uses 1 to 3 candles or more. could also use small alcohol lamps instead of the candles. of note: heater works by trapping and concentrating the heat that would normally just rise to the ceiling and quickly dissipate in the surrounding air. once pots have warmed up they stay hot for hours. I built both 2 and 3 pot heaters. the 2 pot heater seems much more effective (if you are using large thick pots). if the pots are smaller then 3 pots may be better.
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I would NOT leave those on a carpeted floor. Fire waiting to happen. At the very least, put a baking sheet or cooking stone underneath it all.
or a simple baking tray? i was surprised to see it was all done on carpet
I think that was done just to show how to make it. Don't think he has a bunch of them playing around on the floor. But who knows.
I suppose you can make a car without dampers to see how it works...
I always make sure that candles are inside glass jars and that they are placed on metal or stone. I never go to bed without checking candles, plugs on walls, etc.
The heat does not go to the bottom at all but up into the top of the pot. However, it is not enough heat that gets generated with small candles. It gets comfortably warm with the pots, but by far not enough to be described as a heating source. Of course one can then try larger candles
It is a great idea. However, I would make one minor change to your design, though. I would turn the bolt the other way around so that it comes out of the two pots outside so that you can have a handle in case you want to lift the pots, using a insolated glove, of course.
Khan Loo I was thinking the same thing.
Good idea till you trip near it and impale your self like off of a scean of final destination.
@@startingwithnothing5423 Add a wooden handle screwed onto the bolt--problem solved!
Doesn't having the bolts inside also generate heat making the temperature rise more ?
@@startingwithnothing5423 use one with aye.
This is now my next project for my off grid home.
Thanks and god bless!
Totally agree!!!!
I agree too 🤗
Awesome idea!, Im gonna throw it out there and say you done need to bolt them together. You just need to cover the hole in the smaller pot. You also get better air flow.
Yup!
Exactly
What’s best to cover the hole on the pot? Can I use a quarter?
Allied POW's used the same idea in WWII, using two tin cans. A small can, open side up, inside a larger one can inverted over it. A hole large enough to insert a hand full of twigs was cut in the side of the large can at the bottom side. The closed top of the big can became a very efficient cooking surface fueled with very little fuel.
Great video...I thought of something similar to this when I was a young girl my daddy was so proud of me😊...It's so crazy how life happens and you forget about simple things like this
You are a sweet angel. :)
Thanks for sharing will be using this for sure. For those confused by radiant heat its very simple. If you heat up clay, stone, tile or even glass to a high temp it will hold on to that heat and slowy dissipate over time. I used to have an oil heater that I would place on my tile floor and loved how it would heat up 400sq feet of tile. The whole room stayed warm for serveal hours after it was turned off.
What about a stainless steel pot? It won't retain heat for as long, but shouldn't it radiate heat just as well? I'm just starting out trying both and want to know if anyone else has tried both. Thanks!
For those who asked about multiple pots. The air in between the pots gets super heated and that heat must go somewhere. So it would be a good idea to vent the top some to allow that heat to escape into the area desired to heat. Basically this process works just like your coffee thermos. A great idea, and I have heard from the critics. They are not completely wrong. Although I'd prefer my good ole thermostat on the wall, but remember, this is an "off the grid" DIY method. IT HAS IT'S LIMITATIONS!!! It should be attended and monitored!! I can imagine many a pioneer women put out many accidental fires in old cabins while the man was out hunting, fishing and trapping gathering food and wood. In the ancient days, they would "bank" a fire with earth or stone to radiate heat into a desired area or shelter to keep warm. I wouldn't say this is an "energy efficient" method, but it will suffice in a pinch. It's a method of using modern material to bank a heat source and get by until the power comes back on. But NEVER EVER leave this unattended in your home!!!!
The top shoukd be vented i agree its kinda like how a chimney creates a draft taking air in and smoke up and out
@@TylerZ91 but the idea is to capture the heat/transfer it to the pots. If you vent heat from the top you are allowing heat to be released. It's only candles, 2 or 3 candles aren't going to generate enough heat that it becomes an issue, provided you have placed it on appropriate heat proof stands, the bricks in this case.
He says "it's really hot now" then proceeds to touch the pots.
I enjoy these types of videos . These will one day make a person's unfortunate situation bearable and keep you alive in the end that's the goal. Helping neighbors and anyone that wants to learn in those times that everyone of us have or will be in a situation of needing this .
hi and 'well said' 👍🙂🤟
Try getting 165 degrees F + 2 feet from an open candle flame. This is really awsome. Thanks for sharing. I saw another version, which I like a little better. I ended up getting a 3 inch pot, a clay saucer which was right next to it in the hardware store - put the candle on that, surrounding it with 3 stacks of 3 pennies, put the pot on the pennies, more stacks of pennies on top (bottom of pot) and then put a ceramic saucer on top.
This allows for convecting as well as radiant heat.
What if you used same length pieces of copper pipe instead of the pennies?
Good idea - I'd recommend putting a cookie sheet below it just in case the candle holders cracked and wax leaked
we just moved to a cabin in the Colorado mountains, im now hunting for these supplies, this is exactly what we need. thank you
DIY, rocket stove, cook a bit, stove made out of an ammunition box.
@@marilyngrass416 or a turnip. They work too
@@wampyvermeeren3781 To make a turnip into a cooker hob? Is that what you mean? 😁
You essentially need to make the equivalent of a Halloween pumpkin lantern (there weren't pumpkins for Halloween here in England at the time, so we had turnip lanterns and cooked bacon and egg on them :-D)
Enough vent holes in the front so the candle doesn't extinguish itself.
Cut a hole in the lid and balance a small individual patty pan on top. A short tea light candle won't work. You'll need a long candle, cut so the top of the flame touches the bottom of the patty pan. Once the pan gets really hot it'll stay hot even if the candle burns a bit lower. Put some butter in the patty pan and bits of bacon to fry. Oh the smell is delicious! Periodically scrape the buildup of soot from the bottom of the pan or the flame wont heat it up. We used to cook scrambled eggs and stewed apples on it too. Lovely memories!
P.s edited to say the patty pans we used were about 3 inches wide 👍
Moment of truth... We just got ours put together. I'll let you know if it works for us! Thanks for this video!
One set up takes the room from frigid to slightly less frigid. Maybe a few setups could take you up to cold?
Pair this with a blanket fort (YES! Fun times!) or tent and you'll find some relief from the cold. And if you can insulate with the mylar emergency blankets I'd bet you'd be even better off!
Also suggest you fill your bathroom with hot, steamy air if possible - it doesn't last long but it feels nice while it lasts!
And if you can build a fire, put some rocks, cast iron pots, etc to warm up, then wrap them in a towel and set in the same room you're in. Gives off some heat.
Also! If you're giving the TerraCotta pots a rest from the candles, set them down on the spot you'll be sitting or sleeping on - they totally warm up the spot/blankets! At one point we were even hugging the pots (once they cooled a bit) and it felt so so so nice lol
Stay warm y'all ❤ Here in Oregon we just got our power back on
Thankyou, I’m so sorry you went through this, but know I was praying you. Even though I’m in Pennsylvania, I’m buying things like these just in case. God bless you and your family, from my family to yours🙏🤗♥️
The reason for using more pots is simple. More pots equals more mass. The idea is not only to have heat while you are burning the candles, but also long after the candles burn out. Again, more pots equals more mass. More mass equals longer retained heat.. You can also try spacing out the pots with sleeved spacers or additional nuts. And most places that you'd buy these pots will also have the bases that go with them for no to small additional cost. Using the largest base or plate it a better idea than a kitchen plate as it has more mass and a better higher lip to retain fire.
also put masive stone over pots
FYI I'm getting much better results with one large clay pot with the same technique. Only I use a quarter on the top to block the hole.
I thought you have to have a hole on top to let the heat come out?
!
trial and error.....one pot doubles the amount of heat you get....cool.
@@amil2sellllc.616
Every extra pot acts as in insulator, and that's exactly what you don't want.
@@PETERJOHN101 As energy cannot be created nor destroyed, the insulator in this case, just decreases the rate at which the heat is dispersed or radiated. The result tends to be less-heat per minute given off but longer-lasting heat. People find, when heat is given off too-fast, it circulates/rises and leaves through the roof where slower-heat tends to rise less-fast and spend more time at the "bottom" of the room where you feel it more.
Consider using a Crisco candle. Lasts longer, burns cleaner, and cheaper than wax candles.
Crisco candle? You talkin about just lighting up a can of Crisco?
@@KCCAT5 you take a can of crisco and stick another candle or two or some other kind of wick in it and you'll have a candle that will burn for a very long time.
@@vanissaberg5824... Melt the crisco 1st, then pour into Mason jar, or tin can, (or leave in Crisco jar, if Ur area sells them that way) - cool to semi hard in fridge, add semi long skinny birthday party looking candle, & leave (or put back in fridge) to set. Once set, place jar on a fondue pot, type stand, light candle, & place terra cotta pot over it. Buy Crisco in1lb (for small Mason jar, & 2 lb tubs for large Mason jars) crisco lasts much longer, puts off more heat, & is much cheaper than buying wax candles.
This idea is awesome. I just bought a big tub alogn with cotton cordage to test. I read it will burn for DAYS..
Luv it. It would make a good emergency kit to keep in the trunk of a vehicle.
It works quite well, washers & bolt not needed, I cover the first pot hole with a used candle foil, it does NOT burn the carpet, obviously some common sense is good!
I get large packs of candles very cheap and this is a nice way to heat just the one room if you want to avoid heating the whole house.
It works real well in a small camper on top of a stove top cover I know I have done it in winter camping to save propane.
Hi Louise.. I have a question.
Why use 2 pots? Cant 1 do the desired
Heat? Or is it because of the heat if you touch the 1 pot? Idk...
@@shawniriel5962 hi Shawn I used one pot not 2
@@LouiseDavenport cool im gonna try it out. Thanks for the reply.
One of the reasons for large stones around a camp fire was to take them into the tent to provide heat.
Genius in simplicity 🙏🏼
Brilliant
No. I think the use of stones was, what the hell else are you going to use to create a firewall???
The by product just happens to be a stone that stays warm for quite some time.
@@heretohear8662 you can make a fire in just a pit, or on the ground. You don't need to put anything around an outdoor fire. The stones around fires have had many uses for years. Including being taken to tents.
Where does the smoke from the candle go. After a while I'll bet there's a whole sooty mess inside the pots?
Great idea! Maine experienced another Ice Storm with power outages for a couple of weeks around Christmas in 2013 and I was very surprised to learn how many natives and tourists had no candles for light, let alone for heat or possibly cooking. This is a simple idea that would have been more efficient to many families I know vs huddling around the candles without the clay pots at night like they all did in below freezing temperatures without heat.
The pots hold the heat and dispense it more evenly than a single burning candle without a pot. This concept is about being resourceful in a survival situation, not for reducing your energy bills or heating an entire house better than a wood stove does. I will be recommending this idea to my friends in the future to help them reduce the chances of their pipes freezing again during lengthy times of power outages. Thank you for sharing!
How do you recommend others to use this idea as a way to prevent their pipes from freezing?
This would work great with a pilot light setup. A small continuous flame from a propane bottle would last a long long time.
But burning propane creates deadly fumes if your gaol is to heat a small indoor space when the power is out.
@@anonmyss They idea is to be able to provide heat when you have lost heating power such as electric or gas...these work great!
Thank you for sharing. That was very nice of you to share this idea. This could come in handy! It's simple enough anyone can do it, too!
About 8 years ago, my husband made a clay pot heater for me using three different sized clay pots, two clay dishes, 1 unglazed Saltillo tile, 3 L-brackets, a long heavy bolt, and a series of nuts and washers. When it's zero outside, we can keep a 144sf room at about 65*F. We started out using small pillar candles in glass containers, but soon realized that the melting candles are quite dangerous.
We switched to using a large tuna can and 4 ordinary tea lights. The tea lights will burn for 3-4 hours each, and they are contained in the large tuna can so no wax spills out. 4 tea lights mean more flames! Works out great! One of the clay dishes holds the tuna can, and the other clay dish sits on the topside of the bolted top pot (to hold in radiant heat). We place everything on the Saltillo tile (again, helps hold heat).
These things are AWESOME. Sometimes, we'll use the clay pot heater instead of our central heating system. Saves money.
I would put the candles on 2 metal pans, off that carpet. Yes, they work great! I am 73 years old and live in a building that heats up in the morning and cools off in afternoon. So, I put 3 candles in a very similar set up (3pots) on at 12 PM, by 2PM it is cozy. At 7 or 8 before going to bed I make sure candles are out and nothing looks wonky (scorched under pans). I would not use this if I had kids or animals. I have a heated easy chair but if I use it too much (long) my electric bill goes up.
I’m using my Sterno stove and a can of Sterno for heat source. Small clay pot over that, a tin from a tea candle over the hole, then the bigger pot over that with another tin over the hole. Works great, the heat is remarkable. And I have it sitting on a baking pan.
Yeah but breathing that sterno air...
@@maceo2012 got stove fan on and windows cracked open, gotta have ventilation
Sounds great can we have a photo please !
I'm a female who grew up without men for most of my life and the ones that were around didn't know how to do anything (not even change a tire) so I think this is something I might be able to do. I'm not terribly handy but I'm alone so I better think about it. Thanks. I'm saving your videos.
Me too most men cant do for themselves y do want a stone of stupid in my life.... I do for me always have... Very independent...
hi, it's a 9" diameter pot inside of a 12" diameter pot. the rod/bolt is 5" (any length over 3" works good).
I made one of these when I lived in my van. It worked in a small room but if there is even a slight draft it won't heat the room let alone a car.
If you don't go out and buy *new* pots, but use *old* pots from the garden, make sure you don't do this on your white carpet as the pots will be *wet*, and all the wetness will drip off. It was quite pretty watching the condensation form drips around the bottom of the pot but it went on for hours, I mopped and I wiped....surprising how much water a pot with a hole in can hold!
I would think using a eye bolt would be better so you could take something to lift the pot when it is hot so you could stop the candles if you no longer need the heat.
Nice. I'd add a sugru-covered handle to that eye bolt. Would make lifting rather easy.
or you could just flip the bolt around so it sticks out the top instead of down inside. should be able to grab it either with your hand or some pliers.
This is awesome dude will get one ready in case my elec. ever goes out. Will also tell homeless people if I ever come in contact. God bless for sharing this...
THANK YOU! This looks FABULOUS! I'm going to camp out tonte and tomorrow, only 40 degrees on Calif. Central Coast, next to an estuary by the ocean, but i have little body insullation, and will be in a camper atop my old pickup, and I don't want to spend any money for heater and no time to make anything more sophisticated. Think I have all materials, can always buy bolt, washer, nuts if I don't have these sizes...
Hi there,
I built one today,after seeing your video, for my hall way which doesn't have any heating.
I started by using a tea light, but it doesn't give off that much heat, I put two tea lights and its a bit better
PLEASE NOTE
I think that the candle that you use is VERY important. It will HELP to heat a room, but depending on the temp/draughts & insulation of the room, you may need several of these
These are the parts that I used:- £
1 terracotta flower pot 15 cm 1.00
1 Terracotta flower pot 11 cm 0.47
Terracotta saucer 19 cm 1.22
Coach bolt & Nut M8 x 50 mm 10 pk 0.72
Penny washers M8 x 25 mm 10 pk 0.62
Total £4.03
I built 2 for £6.70, I am sure that you can do it cheaper!!
Although I have some washers and nut & bolts left over
Thanks for the video!!
Crisco shortening lasts muuuch longer & puts out waaay more heat - & is muuuch cheaper....
I have been using these for a few months now, great idea saves in all ways :)
That is such a cool idea. I will have to do this to keep my fish room warm if the power goes out.
If you leave the top pot hole open... you will allow convection to occur (drawing in cool air and sending a moving flow of warm air) :)
NorthernStone1 o
This is so cool!!! It's the first time I have seen anything like this. Thanks for posting. Your videos rock dude.
I agree😊
There's maaany other videos on this subject - & more.
Very fasinating indeed, understanding the phsyics doesnt mean it doesn work, It gives heat and stores it to release more slowly than just the candles. Its not meant to heat the home, but rather a small area. In an emergency it would be very effective for heat, not cooking or anything else. could be something to put in an emergency kit I think. Its definitley safer than just burning candles. As with everything it has its niche place in helping us. Luckily we have a fire box with double burning. But I so want to try this just because it looks fascinating
BIG ty for this. We are adults so using it is would be with normal safety standards would nt it..loved the idea :)
Can't believe I'm watching this in 2022 trying to find ways to survive the winter.
me too, electric heating is a bitch
😂 me aswell
Wow this is awesome, I've never seen this! thanks for posting I am going to try this!
Very nice idea, I may have to try this
Fantastic idea for power outages. I'll have to put one or two of those together now.
It's essentially how a storage heater works in the UK, except they don't use candles lol The bricks/ceramic are heated up and then slowly release heat throughout the day :)
Unglazed Terracotta pots also purify water! I would consider a fireproof material under the entire apparatus.
What’s a good example of fire proof material? Also did you ever try to purify water with terra-cotta yourself? I’d love to hear more!
Im a little late but I think baking paper or tray helps
Very cool. I'd do it on a thicker fireproof base but that's awesome.
Man! Awesome idea, and totally un-expensive, will give it a try! Thanks...
That is an AWESOME idea. Thanks for all you great videos! This could be a good RV option
This saved us last week while we lost power, here in Texas.
That is awesome. I’m going to prepare just in case because you never know. Know that I was praying for and others. God bless🙏♥️
Oh I just realize you first name and first letter of your last name is just like mine. Lol 😂
the floor beneath it doesn't get hot. almost all (99%) of the heat from candles will rise straight up into the pots.
People in Texas are doing this using one pot. What is the difference in using 2 pots? More heat?
@@jkco4300 The only heat is coming from the candle, the # of pots has no effect on the heat output of the candle
@@jkco4300 it probably keeps heat in better
I put a small stainless steel bowl of water on top, it heats it up and puts moisture in the air which helps the heat hang in the air longer.
that would be a neat thing to take camping! Thanks!
I love this idea ! Simple and easy to set up. Add a few little personal touches and home free heat ! 😁
You will become bacon for ur family
Interesting. I'm going to try these in my greenhouse this winter...thanks!
I'm no physicist, but it seems like burning the same open candles without the pots will heat the room just the same as with the pots. The only difference is if you want to sit next to it and "feel" the heat.
Its about surface area. The equation for radiation heat transfer involves the surface area of your body that can be seen by the surface area of the other object. So the larger the heated object, the more energy gets transfered. For bonfires, roughly 50% of the heat you experience is radiated.
Also these things suck and I almost burned my house down. My tea candles got so hot the wax caugth on fire and shot up 8in flames from the sides of this.
Alan Noble I had much the same experience. The danger is in concentrating multiple candles inside a chimney-like structure. Basically, all the candle wax can aerosolize and catch fire, rather than just the wicks. Luckily I was in the room when it happened and was able to put it out. Also, something that no one seems to mention is that the candles emit fumes that can be toxic, especially the cheap tea lights that everyone recommends.
and you would right.
The diffrence is ambiant and latent heat
Not so, The idea is for the heat from the candles to be absorbed by the pots, the pots then slowly release that stored up heat into the room. This will give you a higher temperature of heat over a longer period of time. If you were to just leave the candles burning the amount of heat that they give off would dissipate in the room alot quicker and not give off a noticeable amount of heat.
I'm going to do this when I move out and get a place on my own.
Love the idea, i placed an old Toshiba lap top cooling fin/sensor (made of copper on top of the candle.held by a made up grill it generates more heat than the candle itself thus multiplying the heat output and faster and longer retention of heat. i also used the ceiling rod with a hole in the middle with adjustable nut so that the heat can escape through the hole and warm up my potpourri on top.
Very ingenuitive, i'll sort this out & use it to heat my small room, which i usually use a 2kW heater for. Thanx!
Thankyou
So the point is to convert the small, high intensity heat of the flame to a large, lower-intensity heat radiating off the entire pot surface. I'm glad to see you aren't claiming the addition of the pots make more heat. It only changes the quality of the heat and keeps the source closer to the intended recipient.
There seems to be some confusion as to why this is a better option than just lighting the same number of candles since the BTU output is basically the same...same amount of heat produced whether it is collected by pots or not. The purpose however is to condition the room which is why this is more effective than simply a candle. The purpose of two pots is two fold. One is the obvious...radiant heat which allows the heat distribution to last longer in the room. But the second is more subtle and it will only work well if the 2nd pot is not plugged up (plug the inside pot but not the outer pot). When the inside hotter pot heats up, the air between the inner and the outer is warmed and the warm air rises through the top hole. This creates a convection of air from the bottom of the pots where air is being sucked in, rising through and being warmed by the inner pot, and releasing through the outer hole. In this way the cold air in the bottom of the room is being sucked in and the hot air is rising to the top of the room.
In a small room these pots are very effective if doors are shut and insulation is decent. It is not a furnace blasting hot air but it works pretty much the same way a furnace works...but without the fan. In terms of price compared to a wood stove or heating oil or propane is difficult to make comparisons. To create the amount of radiant heat that say a log would make (given that most of the hottest heat flies out the chimney or flue) burning at 50 to 80 cents per hour (if you buy by the cord, or a dollar to a dollar-fifty if you buy a bundle at the store) you likely would need 20-25 tea lights (in which none of the heat escapes to the outside). If you use a log an hour for four hours, well...that many tea lights might cost 2-4 dollars. Four logs might cost 2-4 dollars
The major problem with candle burning is that all the combustion is actually taking place in an unventilated place...your house or room. A wood stove, a furnace or some other heating element keeps the carbon and soot and other dangerous substances out of your home, either through a flue or a ventilation pipe. I think it is best to think of this as an option to a furnace during an emergency especially if you don't have a wood stove out in the garage or hobby shed where the space can easily be vented.
Thank you - super idea. One question: I saw another similar project wher the author leaves the hole on the outer pot open (for hot air to flow out - convection). The hole on the inner pot is closed so heat can't escape there. Then both pots sit on the edges of a baking pan with 4 small candles inside. So I wonder which of these 2 methods is more efficient. Have you tested both? The other author seemed to feel that leaving the upper hole open was important...Thanks in advance for any clarification or advice and keep up your great work!
If I may.......I have tinkered with these systems and can explain... They both work equally for efficiency for heating its just that the convection method will allow for easier heat escape and the convection method reduces the possibilities of "self ignition"..Yes if you create too much heat the wax will self ignite, which is why you need to operate these systems on a non flammable surface.. The BTUs don't change from one system to the other.. a flame is a flame is a flame.... it will only generate so many BTUs.. However.... the more flames..... then yes the BTUs increase because the amount of flame power increases.. Your limitations are the quantity of flame power and fuels..Alcohol burns hotter than wax.. but I don't recommend alcohol..I do recommend the fans and with the design shown that ventilation holes are drilled into the outer perimeter of the bottom of the larger pot. The convection process will draw more fresh air to the flame.. So, as I have , tinker...... but do so SAFELY and don't use the system unless you understand the hazards and limitations
@@kevinrehberg8758 I dont understand the need for more ventilation holes on lower portion of the outer pot. Isn't that the purpose of raising the whole unit off the floor onto fire bricks while suspending the smaller pot with a bolt?
Thanks for a great video
Best Wishes from London, England 🤗
Thank you for caring and sharing 💕
This is like using a camping shower. You can get a weak spray for a little while, or you can pinch the hose to get a drizzle for a little longer.
You always burn the same hydrocarbons and release the same energy. The heat still goes straight to the ceiling. The pots slow the chemical reaction (by limiting oxygen to the flame), capture most of the heat as it's produced, and then release it slowly into the room.
Thank you. Very helpful now in Ukraine.
You are welcome!
Hint: Put the Bricks and pot on a 16"X16" Ceramic tile. Just one tonight for 89 cents so they are cheap. I am trying this tonight to see if it works. - Cheap fun!
Justin Smith, please let us know how it worked out.
This design is more credible than some muffin candle holder design. 👍
I would suggest running the ceiling fan (blowing upward) to circulate the warmed air down the walls. Room with lower ceiling will get warmed up quicker.
Great suggestion!
I find the second larger pot does allow warm air to rise through the hole. If I only use the smaller pot with the hole plugged by a bolt and washers the pot will radiate heat, but not enough to heat my 6X8X6 foot uninsulated shed on its own.
Out of curiosity, have you thought of incorporating your rocket stove, or smaller version, to this radiant heat pot system?
Would be interesting to see.
this is great, would be perfect for a small green house
I made one of these once, it works well
hi - good idea. Consider using transparent glass bowls so it gives of light and heat. Add a little beker of water on top to humidify the room and keep cofee brew warm on the side maybe.
A better way: if you cover the hole in the bottom pot but don't cover the hole in the top pot, then the hot air is forced out of the bottom pot and comes out the hole in the top pot. That way 1) the top pot (the one you might accidentally touch) doesn't get so hot, and 2) the hot air will spread farther away from the pots, heating the whole room instead of just the area around the heater.
Would using a garden clay chimnea with the lid on indoors work the same way or have the same heating effects..?
@@rossmurray3168 I would think as long as it get very hot. A chiminea has large spaces for most of the heat to escape.II used a very large, thick pot and left the hole open at the top, which is very small for that large pot, It got like a mini wood stove, and I could put many can does under it. The only thing I have to raise the pit more bc the heat melted the shortening candles so the wicks sank!
works ,it heats up , a small pot and one candle works best , but would only heat up a very small area like a toilet , its the flame from the candle gives you a feeling of warmth then any real heating of the room .
I like the idea for using it in heating my very small greenhouse. I would do it a little differently though, i would heat both the clay pots with boiling water once i had them screwed on so they would have a head start ... then i would handle them with oven mitts and put the candle under them! great video thanks for sharing
Great idea man Top Marks. Greetings from a cold UK
Works well for a room. The pot retains heat. Boy, the questions and comments are entertaining...
I know Native American tipis had a lining in it so that the fire in the middle would have a draft to remove the smoke, but the liner helped insulate and keep the heat in. Whatever the physics, I think it's the same principle.
You could achieve the same thing very easily at lower cost by simply heating a metal container i.e, a saucepan or kettle mounted on a stand above the candle such that the quantity of water was a little more than the candle was able to boil. If you got too cold you could make a hot drink with the water or put into a hot water bottle. In any case the amount of heat given off would be similar to a just boiled kettle, not much really, I would estimate the power to be between 100 and 200 watts.
My thought was basically just what you suggest - heat a mass of water in a metal pot. The amount of heat disseminated is the same whether you use clay or water plus you have warm water at the end for some tea or coffee. 💪🏾
Genius, pure genius
You have a lot of helpful ideas. I'll use this on the the screened in sun porch on cooler nights. & receive low lighting from the covered candles. Thanks :-)
reverse the bolt so its pointing upward and make a handle(of wood) to screw on to that incase you have to move it or change candles.
metroice1 great idea👍
Bump
SO SHWEEEETTT...much love Tee with LIONS NAMED LEO.[the music worldwide}
and sooo coool.
I did a chewing gum and chicken wire version, just to see how much heat I could get. I put the candle, inside a smaller clay pot, balanced the larger one, which had a hole in the bottom, over it, but raised up on three shot glasses. I didn't have a bolt, so I made a thick curl of aluminum foil and put it in the hole, but coming out of it vertically. I built the contraption on my kitchen island and I was amazed at the level of heat it gave off and how quickly it heated up. It's been cold here and it's comforting to walk past it, and put your hands on or above it and toast them right up! My late mother always had cold hands, wouldn't I have loved to have shown and built her one! I unfortunately have an a-frame ceiling, and heat floats on the roof line…but I do have a ceiling fan, which I reverse and put on low. Really makes a difference on the heat. I love the concept, I get it..radiators aren't new…but I'd never seen one like this.
The aluminum foil mod is interesting. You coul make balls of alluminum foil to separate the pots instead of a bolt. Not as clean or stable, but it would be a quick way to try this out. I believe the 2 pots are to create a greater heating area so that the heat dissipates slower into the air. Also for the questions of why not leave the hole open, I believe the candles would burn faster and heat wouldn't be trapped as well.
I TRIED this in my camper van but only used a single pot because when i used 2 the candles kept going out...the temperature in the van went up about 8 degrees fahrenheit...going to use beeswax candles in future though because of the health benefits
That is really nice to know, thank you for posting :)
Thank you for sharing. Brilliant we will be doing this soon. Thanx Linda
Last year or the year before, I had been staring at one of my broken pots I've wanted to fix for three weeks but couldn't because I didn't have the right glue, I had also gotten pretty cold and had no heater, plus I was hungry. It was one of those clay pots with a single hole on the bottom. The broken part being on the side like an odd triangle shape. I flipped it over onto something that wouldn't burn easily. So I just put a candle under it and an open can of soup on top. Once lit, I made sure that the fan would keep it from dying and have a good ventilation. Sometimes I didn't even have to use the fan. All in all, it warmed up my room and took round 30min for a can of spaghettiO's soup to cook.
lol and this is the first time I hear about someone else making one to heat a room.
This is a really cool video. Thanks so much for your very easy and clear instructions. :-)
Protip: if you want to heat your room, just light the candles. The only thing this device does is prolong the amount of time it takes for the heat from the candles to make its way around the room.
What the pot will do is absorb the heat that would otherwise dissipate out of the room before raising its temperature. Air isn't good at absorbing infrared(nor general heat), this infrared coming from the flame and from the mass of hot air, so the walls, which are connected with the outside and at a significant distance from the flame, will be the ones absorbing it. At the usual distance, taking into consideration both the walls' area and electromagnetism inverse-square law, the walls receive less heat than they can easily dissipate outside. To illustrate this think of a flame in complete vacuum versus a flame inside a a chamber filled with vapor, which is a top greenhouse gas, and then versus a flame in 0 gravity surrounded by air and suspended iron dust, a good heat conductor. An astronomical example would be to think of a simple scenario of a pure air planet versus a regular planet, let's say equal masses and equal solar radiation per area unit. A regular planet would be able to absorb more of that solar radiation, and in turn heat its surrounding gas more than the pure air planet.
Would the air will be slightly colder since you're also heating the pot
?
No, anything inside the room is being heated, assuming the pot is already there. The air around the pot cover should in fact be hotter as instead of the hot convection going straight up, it has to first accumulate at the pot's ceramic candle ceiling, heating the pot which in turn can heat any of it's surrounding air molecules, and instead come out at the bottom distributed through the sides. It's similar to the concept of placing a heater in a room: place it at foot level and you've done a good job, place it near the room's ceiling like an AC unit and there is no reason for the convection to come down and say Hi.
Leo Sousa nerd alert
wow, i'd never heard of this before. What a genius idea. I have some Qs though, if someone can help me. 1/ why do we have to seal the hole in the pot? Isnt the idea for the heat to filter out into the room and heat up the room? Because if the heat is only spreading a few inches from the pot, its not going to heat up a room is it? 2/ Would this work with tealights? Safer than glass candles?
Best yet, with 1 & 2 lb cans of Crisco shertening....waaay cheaper, lasts longer, & puts out more heat.
I built this two years ago and since then have cancelled my natural gas heating. (I still use electric HWH.) Natural gas bill used to average $125/month in the winter months. Now I burn two candles in the morning to take the chill off the house, and two candles at dinner time.
bullshit
seriously?
@@DrinkWhiskeyRaiseHell I do the same thing for years
Maybe if you are so cheap and delusional you can stand having your house 3 degrees warmer than it would be sleeping outside. @@colec.6477
Where do you live? How cold does it get there?
Great idea. I'd get some 14" square slate pavers or larger and set up my pots and bricks on top of the slate. I'd be real cautious with rugs. Can one set up heat up a bed room ?
Great idea.Will try it in my greenhouse
I used one when i was homeless in Portland Oregon in winter, in a tent.
(Carefully with ventilation)
Спасибо! Отличный прибор!
Gee, I never thought of that, great idea!
Excellent. Thanks for posting. I'll give it a try.
*165. °F = 73.8 °C*
I have one like this that I put on a swedish torch. Great to warm a greenhouse. Sure the swedish stove gives the same heat, with or without a pot, but it is just thermal mass so it lasts longer and spreads more evenly throughout time
how can you order a Swedish torch? what is it?
It is a log with a deep cross cut with some flammable material in the middle. The fire eats the log inside out. Not sure where to buy them, i just make them myself from a log, using a chainsaw :-)
Just curious as I want to try this...do the pots trap candle smoke underneath?