Of course if you re using 2 or 3 sterno cans that s going to create a lot more btu s than the same number of candles.
Ceramic pot tea light heater.
Whether it s convection or radiation etc.
So if you use larger heat sources and larger clay pots you ll get more heat.
Ceramic clay pot heater.
Raise the lower pot off the ground.
One modification was to upgrade the heat source from a tea candle to a sterno can.
Powered by nothing but tea lights.
A small space heater capable of heating a small room is 5000 btu hr.
So let s suppose a space heater would take one hour to heat the room up.
Build this diy space heater to keep your personal space warm and toasty this winter.
Easy to build attractive inexpensive and efficient ceramic pot heater.
The british video has the presenter saying it costs him 8 pence a day to heat his room.
This is important as it traps the heat in the smaller pot and causes the convection without it the bulk of the heat will go straight through both drain holes.
Place the smaller clay flower pot in this case a 5 over the lit tea lights on the trivit block the drain hole with a scrap of aluminium foil the empty case of a used tea light will do fine.
Also it is important to note that tea lights are named such because one of their purposes is to warm tea or in food warmers and products are sold with this in mind.
Thus you actually would need fifty candles to heat the room as efficiently as a space heater instead of just four.
The original designs i found online has a hole at.
There s been a slight debate on whether this actually works or not.
Teabloom universal tea warmer large size 6 in 15 cm diameter handcrafted with heat proof lead free glass tea light candle included by teabloom 18 95 18.
The only real problem with the tea light flower pot heater is that the tray can get really hot.
I believe it s radiating the heat which isn t as effective as if it was convecting it.
You could try setting your tea lights on bricks instead and propping the ceramic pots up with more bricks.
Bella 14747 sn electric portable cordless ceramic hot water kettle heater warmer maker teapot pot for coffee and tea 1 5 liter or 6 cup 4 5 out of 5 stars 9 pinky up nooelle ceramic coffee and glassware electric tea kettle one size light green.
Tea lights are small and somewhat insignificant when standing alone but when grouped together they can become a significant source.
The top pot soon warms up giving off a lot of heat.
Enough heat to indeed raise the temperature of a small room.
Or you can put in a little bit more effort and make the design shown in the video.
Tea candle and ceramic flower pot heater.
Eco friendly clay pot heater.
I did the math for you and that comes to 13 cents usd.