Water heating accounts for about 20% of a home's energy use. Reducing hot water use, using energy-saving strategies, and choosing an energy-efficient water heater for a home pool can help reduce monthly water heating bills. Check out DOE's water heating infographic , and explore water...
About 70 years have passed since highly energy-efficient heat pump water heaters (HPWHs) were introduced to the US market, having come to Europe even earlier. Market adoption has been promoted through extensive if not coordinated publicly sponsored R&D, demonstrations, energy-performance...
Heat-pump-water-heating-market-spoiling-and-ineffectual-policy.pdf