It took a while to decode the email I received from Carroll Hampleman (you can see why below), but his home made water heater is worth the bother. Mirrors are arranged to reflect and concentrate the ...

Heat from the solar collectors is distributed through a radiant floor heating system using PEX tubing running through aluminium heat spreader plates. A hot water baseboard heating system is another ...

Solar space heating is tricky. Air is harder to keep warm than water, and while most of us need a shower on a hot day—we tend to want space heating when the sun is not doing enough for us.

The idea of heating water with the power of the sun is as old as … the Earth! But capturing that energy to efficiently heat water for domestic use is a more recent ...