For the purpose of making a hot tub, any style can suffice. The process of insulating will need to be adjusted if you go with a ridge free tub. To heat the water, we used a wood-fired thermosyphon ...

These days, humans have gotten all fancy-schmancy with their gas and electric water heaters ... outdoor wood stove, a build like this might be just the ticket. With the stove burning hot and ...

Dabbling in alternative heating technology, [Rob Steves] built a wood ... Burning the bits for heat means he’s using every last bit of the lumber. The internal tank from an electric water ...