The british video has the presenter saying it costs him 8 pence a day to heat his room.
Ceramic pot tea light heater.
According to wikipedia a single tealight has an energy output of about 100 btu hr.
One modification was to upgrade the heat source from a tea candle to a sterno can.
Easy to build attractive inexpensive and efficient ceramic pot heater.
Or you can put in a little bit more effort and make the design shown in the video.
The only real problem with the tea light flower pot heater is that the tray can get really hot.
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.
There s been a slight debate on whether this actually works or not.
I did the math for you and that comes to 13 cents usd.
So let s suppose a space heater would take one hour to heat the room up.
Raise the lower pot off the ground.
Tea candle and ceramic flower pot heater.
I believe it s radiating the heat which isn t as effective as if it was convecting it.
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.
Ceramic clay pot heater.
Tea lights are small and somewhat insignificant when standing alone but when grouped together they can become a significant source.
So if you use larger heat sources and larger clay pots you ll get more heat.
The top pot soon warms up giving off a lot of heat.
Build this diy space heater to keep your personal space warm and toasty this winter.
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.
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.
There are a few videos going around the web on heating a room using a ceramic flower pot heater.
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.
Thus you actually would need fifty candles to heat the room as efficiently as a space heater instead of just four.
A small space heater capable of heating a small room is 5000 btu hr.
The original designs i found online has a hole at.
Whether it s convection or radiation etc.
Enough heat to indeed raise the temperature of a small room.
You could try setting your tea lights on bricks instead and propping the ceramic pots up with more bricks.
Eco friendly clay pot heater.