More ideas from Ohar
Bildresultat för cob bathtub

Bildresultat för cob bathtub

Bildresultat för cob bathtub

Bildresultat för cob bathtub

Bildresultat för cob bathtub

Bildresultat för cob bathtub

We used an existing wood stove and plugged it into a much larger brick heat exchange mass in order to heat a greenhouse and extend the gardening season.

Even when there& snow outside, Max Edleson still has tomatoes and peppers growing in the greenhouse. Here he explains how to make an old wood stove into a mass heater, prolonging the growing season!