Gas tankless water heaters offer the most power but tend to ... With this in mind, the list includes natural gas, propane, and electric models to offer a variety of top options.
Camplux tankless gas heater features an energy-saving technology that makes it save up to 11.5 percent energy. In addition, this water heater exchanger uses propane, and the main burner is ...
Photo: Courtesy of Lowes Some tankless water heaters do indeed use natural gas, but not all! Others use propane-powered systems that provide the very same features and are just as efficient.
Electric water heaters often have two thermostats -- one at the top and another at the bottom of the tank. And most tankless water heaters feature a display with a temperature readout and controls ...