BTW ~ Thanks Mystry for the early sampling...
TXPrepper Thread

With winter fast approaching, I think this alternative form of heating should be considered. Looks legitimate and an inexpensive way to keep a small to medium room reasonably warm.

 

I like this one better 

Clay pots have so many uses - I really like this one! Think the candles RWM made using the mason jar filled with shortening would work well with this. I am also reminded of using two clay pots and some sand & water to make a cooler to store food in. 

Update:
Used the heater last night and this morning. It does heat up but I'm not getting the radiating heat I'd hoped. Still tweaking the system.

WARNING~ I considered my Crisco candles, but DH's research shows the smoke point to be 350 degrees F and the flash point is just over 500 degrees F. Some people estimate the inner clay pot could reach as high as 550 degrees F. I would stick with regular wax votive candles or tea lights! 

Thanks for the headsup about the candles!! I will stick with the regular wax votive or tea lights for sure!! 

one more thing...would the hole being covered by the washer/bolt VS the open hole in the top in the other version make a difference in how much heat is being radiated? 

one more thing...would the hole being covered by the washer/bolt VS the open hole in the top in the other version make a difference in how much heat is being radiated?

That will be my next tweak...more like the British guy.

I'll update my results. 

Okay....final design.

Medium 6" pot on the outside.
Small 4" pot on the inside.
Loaded the 1/2" screw w/ washer and bolts.

I've positioned mine over a bread pan with tea lights, like the Brit.

Here's a side view captured from the internet. It's VERY close to what I did, but only 2 pots.

 

I had a chance to experience one of these heaters last week. A friend brought their's over to demo it and I can tell you it works! Nice and toasty ~ the clay pot was warm to the touch at first and gradually got hotter - the bolt on top was quite hot but nothing a pot holder couldn't handle if you had to move it to blow out the candles etc. VERY safe! We just sat it up on my coffee table and it did it's job :)