solarray

Edward Sylvester Morse patented his air heater in 1881. It is still a great design with a versatile vent system. A simple glazed box on ...

I presented a workshop on Simple Solar at the Boston Skill Share on a windy Sunday, April 19, outside the Stata Center at MIT. Werner and J...

This is a demonstration model of a solar windowbox air heater. You can build it from a sheet of insulation board, some clear glass or plas...