A dirt cheap way to build a thermal mass heater?
Here is the Austrian company's website who made these stoves. The link is translated through Google and it's not the greatest translation.
Lehmo rammed earth wood heaters
They look pretty innovative.
Here is the Austrian company's website who made these stoves. The link is translated through Google and it's not the greatest translation.
Lehmo rammed earth wood heaters
They look pretty innovative.
