Alas! The political campaign season came to an end right before the cold weather set in. Just when you could have used some of that free hot air generated by the candidates to warm your house, it ...

This close-up through the polycarbonate shows the absorber screen, the foam sealer molding, screws with EPDM washers, battens and a bottom vent. After walking into my workshop one December morning and ...

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 ...

Adapting solar thermal tech used at utility-scale plants, start-up designs system to use the sun's heat to power industrial chillers and drastically cut peak electricity use. Martin LaMonica is a ...

Air conditioning accounts for roughly 10 percent of global electricity consumption, and that figure ...