Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...

A passive solar-heated home needs no solar panels to heat or cool it. Rather, the energy used to heat and cool a house comes directly from the sun through skylights and windows. Some of that energy is ...

Heating houses is a major energy suck. Behind passenger cars and trucking, it’s the largest energy draw in the United States. But it turns out homeowners looking to stay warm don’t need to rely just ...

If you’re building a new home, it makes sense to do it in a way that employs free, renewable energy when it’s available. Most home designs don’t prioritize using energy they receive from the sun, but ...