Using Basic Science to Analyze Claims

Does the meme here seem possible?  After all, the candles
will heat the clay pot, which
will radiate heat into the room.

Let’s examine this for a second.  First, note that neither the clay pot nor the bricks add power; all you really have here is four candles, at 80 Watts apiece, or 320 Watts.  Moreover, some of that power is delivered as light, rather than heat.

Imagine warming up a cold room with a hair drier, which is 1500 Watts.