So even though the rest of the room is cold, if you sit right next to this little heater, and hover your hands over it, you'll warm up, and be fooled into thinking the whole room is warming up as much as your hands are.īut you really don't want to hover your hands over this little space heater. What they do provide is a way to concentrate that heat. They do not, can not, will not magically multiply the amount of heat produced by the candles. Yep, and the bricks and the clay pot do not add a single BTU to the arrangement. "So what," you might think, "It's not just the tealights! It's also bricks and a clay pot!" Since the image says, "A good thing to know in case the power goes out this winter," they're suggesting very non-ideal conditions. And remember that this is under the "ideal" conditions, where you're not losing heat to the outdoors more quickly than the candles can produce it. It'll take the candles over twelve hours to do the job (considering the burn-life of a typical tealight is well under twelve hours, we have a serious problem!). So let's suppose a space heater would take one hour to heat the room up. 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. According to Wikipedia, a single tealight has an energy output of about 100 BTU/hr. And even if your room is well insulated, it's going to take a very long time for those candles to do the job. If the temperature differential between indoors and outdoors is high, and your house isn't well insulated, heat will be lost to the outdoors faster than your candles can provide heat. If those conditions aren't met, you can't do it. If the temperature outside is not much lower than what you want the indoor temperature to be, and your room is well insulated, and you're willing to wait a long time. Reason #2: Magical Heat MultiplicationĬan you heat an entire room with just 4 tealights? Sure. Remember that if your house burns down because your friend shared this image and you decided to try it, you're not even going to have the satisfaction of being able to sue someone over it.
That should be reason enough right there.
You found it on the internet, from an un-vetted, non-scientific source, and it involves fire. Here are the three answers: Reason #1: Information Source So why do we say "NO!" to this? Well, the answer is three-fold. You need a clay pot, some large bricks, and some candles. A good thing to know in case the power goes out this winter." "You can heat an entire room with this Terra-cotta pot turned space heater.
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