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2. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   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. Rheem's market share of the central air conditioner market had been as high as 16% in the 1980s and dropped to about 11% by 2000.

3. Friedrich Air Conditioning - Wikipedia

   en.wikipedia.org/wiki/Friedrich_Air_Conditioning

   Chuck Campbell, President. Number of employees. 194. Parent. Rheem. Website. friedrich .com. Friedrich Air Conditioning is an American privately held company that manufactures commercial-grade room air conditioners and specialty cooling products for residential and light commercial applications. The company is based in Uptown, San Antonio, Texas .

4. R-410A - Wikipedia

   en.wikipedia.org/wiki/R-410A

   R-410A. R-410A, sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A, is a zeotropic but near- azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125) that is used as a refrigerant in air conditioning and heat pump applications.

5. Seasonal energy efficiency ratio - Wikipedia

   en.wikipedia.org/wiki/Seasonal_energy_efficiency...

   The energy efficiency ratio (EER) of a particular cooling device is the ratio of output cooling energy (in BTUs) to input electrical energy (in watt-hours) at a given operating point. EER is generally calculated using a 95 °F (35 °C) outside temperature and an inside (actually return-air) temperature of 80 °F (27 °C) and 50% relative humidity.

6. John Robertson started an industry giant 90 years ago ... - AOL

   www.aol.com/john-robertson-started-industry...

   The spacious classroom has 35 seats for instructional work, several workstations, almost a dozen furnaces and air conditioning units from Rheem and Ruud to train technicians. "A furnace today is ...

7. R-454B - Wikipedia

   en.wikipedia.org/wiki/R-454B

   R-454B, also known by the trademarked names Opteon XL41, Solstice 454B, and Puron Advance, is a zeotropic blend of 68.9 percent difluoromethane (R-32), a hydrofluorocarbon, and 31.1 percent 2,3,3,3-tetrafluoropropene (R-1234yf), a hydrofluoroolefin. [1] Because of its reduced global warming potential (GWP), R-454B is intended to be an ...