If your garage door faces south you can build a set of passive solar doors that will provide heat and light, reducing your energy expenses during winter for around $400 in materials. Solar project ...

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, ...

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.