It took a while to decode the email I received from Carroll Hampleman (you can see why below), but his home made water heater is worth the bother. Mirrors are arranged to reflect and concentrate the ...

A solar-powered air conditioner doesn't do one much good during a Vermont winter, but rather than cranking on the heater (or huddling under the heated Hello Kitty mat) just to heat things up in a ...

Do you enjoy coming home to a warm home in the dead of winter? Do you leave your furnace running in cold weather even if no one’s home? If you want to keep the house warm for when you return later in ...

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, ...

Q: Based on our water bills, my family uses lots of water and much of it is probably hot water. Is there a simple solar hot water system design that I could build myself? A: Heating water can account ...

While some of the highest technology in the world is being brought to bear on the problem of saving energy, here’s a guy who painted 50 soda cans black, drilled holes in them, stacked them up inside a ...

Jeff Somers is a freelancer who has been writing about writing, books, personal finance, and home maintenance since 2012. When not writing, Jeff spends his free time fixing up his old house. He has ...

Alex Davies is a technology journalist and the author of "Driven," an upcoming book about the self-driving car industry. Well it's that time of the year again here in Southern California time to fill ...

Solar water heaters can be expensive, but they can get you a tax credit and help you save money on energy. Chi Odogwu is a digital consultant, professor, and writer with over a decade of experience in ...