The Stitt Group began as a DIY home project in 1975 when Orlo and David Stitt installed a solar water heating system on their ...

"With the advent of AI, we’re able to take that 15-minute turnaround, at best, and take it down to 30 seconds," claims ...

If you're building or renovating, passive solar design can make your house easier to keep comfortable. Our panel of experts ...

"I wanted to create a blind system that can produce free heat from the sun," said an inventor, from Lombard, Ill., "so I ...