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WebWhile an oversized unit may be alluring, it carries a higher purchase price and increased energy costs due to higher standby energy losses. Before buying a new storage water heater, consider the following: Size and first hour rating Fuel type and availability Energy efficiency and costs. Installation and Maintenance WebSUPER-EFFICIENT WATER HEATER Water heaters use about 20% of a home’s energy. An important element of an ENERGY STAR Home Upgrade is a heat pump water … WebDec 11, 2024 · The technological advances and increasing energy efficiency found in the new generation of environmentally friendly heat pump water heaters (HPWH) make … body core hip thrust