The thermal mass heats up and transfers the heat to the tub?
I think we could make that work indoors, a rocket stove to heat the main part of the house and the thermal mass under the bath instead of a bench?
The thermal mass heats up and transfers the heat to the tub?
I think we could make that work indoors, a rocket stove to heat the main part of the house and the thermal mass under the bath instead of a bench?
RE: Our rocket stove hot tub