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  2. Rheem Manufacturing Company - Wikipedia

    en.wikipedia.org/wiki/Rheem_Manufacturing_Company

    In 2009, Rheem and Ruud were the first to sell a Hybrid Heat Pump Water Heater, which was more than twice as efficient as similar electric water heaters. [25] Also in the same year, Rheem and Ruud central air conditioners were reported to have the fewest percentage of units requiring repair among all major HVAC brands according to Consumer Reports.

  3. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    Specifically, the heat pump transfers thermal energy using a heat pump and refrigeration cycle, cooling the cool space and warming the warm space. [1] In winter a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in summer.

  4. Edwin Ruud - Wikipedia

    en.wikipedia.org/wiki/Edwin_Ruud

    A Ruud Type F Size no. 3 instantaneous and automatic water heater from 1906. The Thermal Valve Model, Type F, of the Ruud Instantaneous Automatic Water Heater is a design that allows the user to instantaneously heat water for on demand applications while not heating, thus saving fuel, when not in use.

  5. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

  6. Krispy Kreme Just Dropped a New Valentine's Day Doughnut ...

    www.aol.com/krispy-kreme-just-dropped-valentines...

    Yes, it comes in a bouquet box.

  7. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Electrical heaters are often used as backup or supplemental heat for heat pump systems. The heat pump gained popularity in the 1950s in Japan and the United States. [14] Heat pumps can extract heat from various sources, such as environmental air, exhaust air from a building, or from the ground. Heat pumps transfer heat from outside the ...

  8. US ban on gun sales to adults under age 21 is ... - AOL

    www.aol.com/news/us-ban-gun-sales-adults...

    A decades-old U.S. government ban on federally licensed firearms dealers selling handguns to adults under the age of 21 is unconstitutional, a U.S. appeals court held on Thursday, citing recent U ...

  9. Friedrich Air Conditioning - Wikipedia

    en.wikipedia.org/wiki/Friedrich_Air_Conditioning

    They were manufactured in standard (3-speed analog), "Deluxe" (Deluxe was later called 4-Speed), "Programmable" (digital), TwinTemp (heat/cool), and Heavy Duty (L-chassis) configurations. They were produced in versions ranging from 8,400 BTU to 36,000 BTU. Deluxe/Compact Programmable: These units were produced by Panasonic, and later LG. They ...

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