In Africa, where many regions benefit from plentiful sunshine throughout the year, solar water heating is a no-brainer.

The DOE has a more technical calculator here. What type of system should I buy? Solar water heating systems are either active ...

You know how expensive energy can be—and it’s not getting any cheaper. Bills piling up is one reason why people look into solar energy solutions for their homes, but when people think solar ...

There are two primary types of standard tank water heaters ... that can be even more energy efficient, though, like solar water heaters. These heaters use solar panels to capture sunlight and ...

There are three types of solar energy technology widely ... Individual residents can deploy their own personal solar panels and solar water heaters, but these devices are very expensive to ...