A few sections of pipe are welded into the chimney section to heat the water as it passes through, and then an enclosure is made for the stove to provide insulation and improve its efficiency.

and he notes that simply doubling up the tubing would increase the heat transfer to the water even further. If you’re looking for a hot shower from your outdoor wood stove, a build like this ...

This motion in an atmosphere not higher than 40 or 50 degrees would in a few hours bring the water to blood heat, and in the summer weather, if I may judge by comparison and my own feelings ...

Changing from gas to climate-friendly electric appliances often involves expensive retrofits. A growing list of companies ...