Sustainable housing design, passive solar, zero-energy earth home plans and non-electric appliances for earth home featuring composting toilets and greywater ...

Building Environmental Science and Technology (B.E.S.T.)- consulting firm providing national green building & energy efficiency consulting services.

Feel the Heat, Here is a passive solar heater that has been in my mind rolling around for years. It is a modification of the trombe wall. I constructed it out ...