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 ...

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 ...

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 ...