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  2. US plans water heater standards, says they will save ... - AOL

    www.aol.com/news/us-plans-water-heater-standards...

    Water heating is responsible for roughly 13% of both annual residential energy use and consumer utility costs, the DOE said. US plans water heater standards, says they will save consumers $11 ...

  3. Energy Conservation Program for Consumer Products - Wikipedia

    en.wikipedia.org/wiki/Energy_Conservation...

    The program was established by Part B of Title III of the Energy Policy and Conservation Act of 1975 (EPCA) and has been subsequently amended by the National Energy Conservation Policy Act, National Appliance Energy Conservation Act, National Appliance Energy Conservation Amendments of 1988, Energy Policy Act of 1992, Energy Policy Act of 2005 and Energy Independence and Security Act of 2007. [1]

  4. Energy factor - Wikipedia

    en.wikipedia.org/wiki/Energy_factor

    The energy factor metric only applies to residential water heaters, which are currently defined by fuel, type, and input capacity. [5] Generally, the EF number represents the thermal efficiency of the water heater as a percentage, since it is an average of the ratio of the theoretical heat required to raise the temperature of water drawn to the amount of energy actually consumed by the water ...

  5. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    A hybrid water heater is a water heating system that integrates technology traits from both the tank-type water heaters and the tankless water heaters. [5] It maintains water pressure and consistent supply of hot water across multiple hot water applications, and like its tankless cousins, it is efficient and can supply a continuous flow of hot ...

  6. Own a pool in Southern California? New air-quality rule ...

    www.aol.com/news/own-pool-southern-california...

    The rule will lead to the replacement over three decades of more than 1 million gas-burning appliances — including an estimated 700,000 pool heaters and 300,000 tankless water heaters — with ...

  7. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    An 80 US gal (300 L; 67 imp gal) electric storage tank water heater was able to have a minimum energy factor of 86% under the pre-2015 standard, while under the 2015 standard, the minimum energy factor for an 80-gallon electric storage tank water heater is now 197%, which is only possible with heat pump technology. This rating measures ...

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