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  2. Bradford White - Wikipedia

    en.wikipedia.org/wiki/Bradford_White

    Bradford White Corporation, headquartered in Ambler, Pennsylvania, is an American-owned and employee owned, full-line manufacturer of residential and commercial and industrial products for water heating, space heating, combination heating and storage applications.

  3. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    The COP usually exceeds 1, especially in heat pumps, because instead of just converting work to heat (which, if 100% efficient, would be a COP of 1), it pumps additional heat from a heat source to where the heat is required. Most air conditioners have a COP of 3.5 to 5. [3]

  4. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    Isobutane (R600A) and propane (R290) are far less harmful to the environment than conventional hydrofluorocarbons (HFC) and are already being used in air-source heat pumps. [72] Propane may be the most suitable for high temperature heat pumps. [73] Ammonia (R717) and carbon dioxide also have a low GWP. As of 2023 smaller CO

  5. Absorption heat pump - Wikipedia

    en.wikipedia.org/wiki/Absorption_heat_pump

    The coefficient of performance of the first type absorption heat pump is greater than 1, generally 1.5 to 2.5. [4] The heat pump is composed of the main components such as generators, condenser, evaporator, absorber and heat exchanger, as well as the suction device, shielding pump (solution pump and refrigerant pump), and other auxiliary parts.

  6. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    These heat pumps are also preferred for pool heating. Heat pumps typically only heat water to about 55 °C (131 °F) efficiently, whereas boilers typically operate at 65–95 °C (149–203 °F) [citation needed]. The size of radiators designed for the higher temperatures achieved by boilers may be too small for use with heat pumps, requiring ...

  7. Propane refrigeration - Wikipedia

    en.wikipedia.org/wiki/Propane_refrigeration

    Only propane produced specifically for use in refrigeration systems – with a purity of at least 98.5% and moisture content below 10ppm (by weight) – should be used. [1] With a global warming potential (GWP) of 0.072 [2] and an ozone depletion potential (ODP) of 0, R-290 is of very little threat to the environment.

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