Learn how to make solar water heater panels by building this thermosiphon outdoor shower system that can even water your greenhouse. A few years back, a friend donated a Sunvelope solar hot water ...

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.

As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of self-sufficiency that comes with a functioning solar power system. We’ve ...