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2. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Tankless water heating. The inside of a hydraulically operated two-stage tankless heater, heated by single-phase electric power. The copper tank contains heating elements with 7.2 kW maximum power. Tankless water heaters — also called instantaneous, continuous flow, inline, flash, on-demand, or instant-on water heaters — are water heaters ...

3. Edwin Ruud - Wikipedia

   en.wikipedia.org/wiki/Edwin_Ruud

   Signature. Edwin Ruud (9 June 1854 – 9 December 1932) was a Norwegian-American mechanical engineer and inventor who immigrated to the United States where he designed, sold, and popularized the tankless water heater. He was the founder and President of Ruud Manufacturing Company, now a division of Rheem Manufacturing Company. [6][7][8]

4. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Gas tankless water heaters shall have an energy factor of 82% or greater under the 2015 standards, which corresponds to the pre-2015 Energy Star standard. In 2022 the Department of Energy proposed rules that would take effect in 2026 and would effectively eliminate inefficient non-condensing gas water heaters in commercial buildings.

5. Storage water heater - Wikipedia

   en.wikipedia.org/wiki/Storage_water_heater

   A storage water heater, or a hot water system (HWS), is a domestic water heating appliance that uses a hot water storage tank to maximize water heating capacity and provide instantaneous delivery of hot water. [1] Conventional storage water heaters use a variety of fuels, including natural gas, propane, fuel oil, and electricity.

6. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   Website. www.rheem.com. Rheem Manufacturing Company is an American privately held manufacturer that produces residential and commercial water heaters and boilers, as well as heating, ventilating and air conditioning (HVAC) equipment. The company also produces and sells products under the Ruud brand name.

7. Bradford White - Wikipedia

   en.wikipedia.org/wiki/Bradford_White

   The water heaters were patented by Gerald E. White from the years 1933–1938. The company is among the largest American manufacturers of water heaters, competing with companies such as Rheem and A. O. Smith. Bradford White Corporation is made up of Bradford White Water Heaters, Bradford White – Canada, Laars Heating Systems, and Niles Steel ...