J. Clarke wrote:

| Personally I'd be tempted to design it as passive solar,

I like the way you think! :-)

| but I'm
| nuts--couple of layers of glass facing south at the proper angle and
| some cinder blocks or bricks for thermal mass and a nice overhang
| and good insulation and it will be warm as toast all winter long,
| without costing much more than doing it the old fashioned way.

Not so nuts...perhaps.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto