I just love the idea of passive solar heat–I mean really. . . free heat from the sun? It’s frugal, it’s green and it’s sustainable. A triple play.
The only thing is, I’m not really sure I totally believe that it would work in our northern climate.
Regardless, here is an interesting video from a guy who built a passive solar heat unit for his window out of old pop cans, some paint and some wood.
I wonder if I could convince Yankee Bill to try this? Have any of you ever used a passive solar heating unit of any type? I’d love to hear your experiences.