The author and the south face of his Montana home equipped with a simple solar air heater.
Phot by Gary Reysa
Side-view diagram of the solar air heater shows the air flow pattern.
The solar collector is built from these simple materials.
The author, Gary Reysa, checks airflow.
Front-view diagram of the solar air heater panel.
Matthew T. Stallbaumer
This close-up through the polycarbonate shows the absorber screen, the foam sealer molding, screws with EPDM washers, battens and a bottom vent.