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.
He was expelled for perverse baking experiments. This tiny ad is a model student:
A rocket mass heater is the most sustainable way to heat a conventional home