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  2. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    If a storage water heater is replaced with a tankless one, the installer may have to increase the size of the electrical wiring or gas pipeline to handle the load, and replace the existing vent pipe—possibly adding expense to the retrofit. Many tankless units have fully modulating gas valves that range from as low as 10,000 to over 1,000,000 ...

  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. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    All new gas storage tank water heaters with capacities smaller than 55 US gal (210 L; 46 imp gal) sold in the United States in 2015 or later shall have an energy factor of at least 60% (for 50-US-gallon units, higher for smaller units), increased from the pre-2015 minimum standard of 58% energy factor for 50-US-gallon gas units.

  5. UVW - Wikipedia

    en.wikipedia.org/wiki/UVW

    UVW mapping, a mathematical technique for coordinate mapping; University of Virginia's College at Wise, a public liberal arts college in Wise, Virginia; Unloaded Vehicle Weight, the weight of a vehicle as manufactured at the factory

  6. Popup camper - Wikipedia

    en.wikipedia.org/wiki/Popup_camper

    These steps include hooking up to utilities (electricity, water, sewer), reassembling the dinette, unfolding the sink, turning on systems (water pump, water heater, etc.), making beds and unpacking belongings. Setup time for a pop-up camper is typically longer than that for a travel trailer, fifth wheel or motorhome.

  7. 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.

  8. List of recreational vehicle manufacturers - Wikipedia

    en.wikipedia.org/wiki/List_of_recreational...

    Blue Mountain Camper Co. Pilot Mountain, North Carolina X. Builds Tiny Rot-Free Composite Campers Boles Aero. Burbank, California, United States. X.

  9. Sunline Coach Company - Wikipedia

    en.wikipedia.org/wiki/Sunline_Coach_Company

    Sunline Coach Company was a manufacturer of recreational vehicles, truck bed caps, and household storage sheds from 1964 to November, 2006. Vehicles were primarily built at a production facility in Denver, Pennsylvania, or at a smaller location in Leola.