A solar-powered air conditioner doesn't do one much good during a Vermont winter, but rather than cranking on the heater (or huddling under the heated Hello Kitty mat) just to heat things up in a ...

The sun’s energy can be captured by homemade solar hot-air collectors and thermosiphoning panels to provide free heat. The units direct air warmed by the sun through a window or wall opening into 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 ...