Passive solar water heaters are often more reliable than active heating systems. There are two basic types: integral collector-storage and thermosyphon. Integral collector-storage passive systems are ...

See how you can save money on utility bills and support clean energy by installing a solar water heater system to heat your home’s water. Leonardo David is a writer and energy consultant who has ...

The Department of Energy estimates that heating water accounts for 18 percent of a typical home's energy usage, so if you ...

A solar water heater is an efficient way to get hot water in your home and lower your bills. Learn how the equipment works and how much it costs in our guide.

With solar panels or collectors installed on your roof, you can take advantage of the natural ... and no matter what crazy energy crisis pops up, your water will stay hot. Of course, installing a ...