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 ...

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 ...

If you enjoy being nice to the environment (or if you're just looking to save a few bucks), building a solar heater is a useful weekend project that costs very little, but can heat a good portion of ...

We recently featured one way to heat your house with the sun, but DIYer Daniel Strohl has spent three years perfecting his homemade solar garage heater, made out of a wooden box, some vacuum parts, ...

Gary Reysa, DIY solar expert, with the first solar project he built. Gary Reysa is a DIY solar expert and regular contributor to MOTHER EARTH NEWS. He’s been tinkering with solar projects for nine ...

Retired mechanic Jose Alano invented a simple, cheap, energy saving rooftop solar water heater which is benefiting thousands of people. Here's how it's done... José Alano is a model of creativity in ...

When winter comes, utility expenses can destroy your budget, and most traditional heating methods are also bad for the environment. Fortunately, there are plenty of sustainable types of home heating ...

A group of researchers in Iran has analyzed the coefficient of performance and the energy consumption of a solar-assisted heat pumps and an air-source heat pumps and has found that three factors are ...