Quote:
Originally Posted by freeztar
Well, the hot water heater could double as a radiant air heater as well, with some modifications and some duct work.
The two most common designs for space heating seem to be roof structures that collect heat and distribute it throughout the house and radiant floor heating. There are lots of designs to be found here:
Solar space heating -- active and passive solar projects for space heating |
Why radiate? Why not just directly heat the air from the house and return it?
