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.

Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...

There isn’t a strict definition for what makes a home "solar" — it just has to use energy from the sun in some capacity. If you’re building a new home, it makes sense to do it in a way that employs ...