A stellar example of an energy-efficient appliance is a heat pump water heater. Instead of using fuel or electricity to directly generate heat inside the appliance, a heat pump gathers and ...
There are two types of water heaters: electric and gas. Electric water heaters have a heating element inside that energizes and heats the water that surrounds it. Gas water heaters have burners ...
A solar water heater is an efficient way to get hot water in your home and lower your bills. Learn how the equipment works and how much it costs in our guide.