Essentially, it allows the water heater to get much hotter during times when solar energy is available, and lets it drop to lower values before running the heater on utility electricity during ...

You can reach Jon at joreed@cnet.com Expertise Energy, Solar Power ... tank This heat pump can warm up portable water just like any other hot water heater, but more efficiently.

Depending on the type of consumer solar panels, the technology can power your home's security system, store energy in batteries for portable ... the pool water. As part of the solar heating ...

Some portable refrigerators operate with a combination ... A greener option is a solar water heater that’s powered by roof panels. But these have their drawbacks: They’re weather-dependent ...