Wondering who else has buried a rocket mass heater chimney made of sched. 40 steel in a large house concrete floor and thermosiphoned hot water from the firebox loop into a storage tank to pump down into pex zones buried in the concrete floor away from the chimney? This works well in our two houses.
This parrot is no more. It has ceased to be. Now it's a tiny ad:
change the world (for the better) with hands on permaculture
