For a relatively small price, you can build this hot tub in ... we used a wood-fired thermosyphon heat exchanger. This 3/4-in ...

It’s one of the idyls of our age, to imagine oneself lounging in a hot tub watching a golden ... instead of a Scandinavian style wood fired tub in the forest we’re more likely to be thinking ...

Heck, some are even using heat pumps to do the work as efficiently as possible. [HowToLou] got back to basics instead, with his simple wood-fired water ... re looking for a hot shower from your ...