The first RV shower I ever took lasted exactly 47 seconds. That’s when the hot water ran out. I stood there, half-soaped and shivering, wondering why I’d traded my apartment for life on the road.

A tankless water heater looks to be nothing more than a simple gray box that hangs on the wall. Yet inside that box is some pretty remarkable engineering, because when you open a hot-water faucet, it ...

Hot water is a luxury people often take for granted. However, most homes enjoy a ready supply at optimal temperatures for bathing, heating, and feeding machines to wash our clothes and dishes. A ...