Solar hot water systems of yesteryear were ... the number-one prerequisite for a solar water heater is enough direct sunlight ...

A traditional water heater works by pulling cold water in through a tube and heating it with built-in heating elements. Once the water is hot, it can be circulated throughout the home. The problem ...

Wondering if you should install a water heater yourself? Experts recommend leaving it to a trained plumber. Here's why.