SOLAR HOT WATER pre-heat systems fall into two basic categories active and passive types with numerous subcategories. A passive solar DHW pre-heater is also known as a breadbox heater or batch heater.

Find the best solar options for your home and budget. Find the best solar options for your home and budget. Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool.

When it comes to relying on solar energy to save on heating costs, Doug Stahl has always been a skeptic. He’s a practical, soft-spoken man who has been running school buildings for many years. But ...

Transpired solar air collector technology, developed at the U.S. Department of Energy’s (DOE’s) National Renewable Energy Laboratory (NREL) back in the 1990s, recently found its way back home and is ...

"These are so cool!" Off-grid homeowner shares behind-the-scenes of unique 'earthship' house: 'Incredible' first appeared on ...

A new study demonstrates a way to adapt the so-called Trombe wall -- a passive solar building design from the 19th century -- to not only heat but also cool buildings, while drastically reduce ...

Heating houses is a major energy suck. Behind passenger cars and trucking, it’s the largest energy draw in the United States. But it turns out homeowners looking to stay warm don’t need to rely just ...

Q: I’ve been hearing a lot about solar water heating lately. Is it something worth pursuing for my home? A: To get some answers, we talked to Amy Leedom, the director of marketing for Dwell ...

Following the first energy crisis in 1973 there was a rush to heat homes with the sun. It was a tinkerer's paradise, with all manner of solar heating systems migrating from garage workshops to ...