How to Make a Candle Heater
I got this idea straight from the HeatStick.com site, where instead of ordering one of their “Kandle Heeters” I decided to make my own and share with you guys how you can too (it cost me about 15 bucks to make compared to 30 dollars (plus shipping) if you were to buy one).
How it Works
The basic purpose of this heater is to capture the heat given off of a candle flame and to concentrate it into a steel and ceramic radiator assembly. After some time, the ceramic surface will act as a thermal mass and begin to radiate the captured thermal energy into your room or office. Here’s how heatstick.com describes it (image and description c/o heatstick.com):
Putting it all Together
The process for putting together the candle heater is very simple:
What You Need
- one 4″ ceramic (not glazed) pot
- one 2″ ceramic (not glazed) pot
- one 1 1/2″ ceramic (not glazed) pot
- two 1 1/2″ x 1/4″ washers
- three 1 1/4″ x 1/4″ washers
- three 1″ x 1/4″ washers
- eight 3/4″ x 1/4″ washers
- seven 1/4″ nuts
- one 3″ x 1/4″ bolt
Just place the washers and nuts in the right combination as the image and you’ll be good to go. Looking inside, it should look something like this:
Making the Stand
|I found the simplest stand to make is to purchase three 4″ corner braces.|
|Then just put the three braces together with the middle brace facing the opposite direction and bend the outside two just enough to support the heater.|
I decided to test out the heater with the bacon-grease candle I had made (check out Homemade Lamps from Everyday Objects to learn how to make your own). Since the homemade candle jar was a bit bigger than the 4.5″ stand I made, I added 6″ corner brace extensions to support the larger candle.
After burning the heater for around 6 hours it seemed to be putting out only a small amount of heat (a decent amount of heat was pouring out from underneath though). However, since the weather has been warmer around here I wasn’t able to give this little heater a fair shake (and besides, how much heat output are you really expecting from a candle anyways?).
Despite the less-than-optimal testing conditions, still, in no way would it heat up your home (or even a normal size room for that matter), but in an enclosed area like your car I could see it having some benefit. Again I haven’t been able to truly test it so this is only conjecture.
Even though the heater doesn’t seem all that effective, making this contraption was far from a waste of time. I learned some important principles as well as came up with other ideas of how to convert a flame source to radiant heating (just think of a larger version of this heater combined with the rocket stove I reviewed and you’ll get what I mean).
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