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  2. Refrigerant - Wikipedia

    en.wikipedia.org/wiki/Refrigerant

    Refrigerant. A refrigerant is a working fluid used in the refrigeration cycle of air conditioning systems and heat pumps where in most cases they undergo a repeated phase transition from a liquid to a gas and back again. Refrigerants are heavily regulated because of their toxicity and flammability and the contribution of CFC and HCFC ...

  3. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon -carbon multiple bonds , there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next.

  4. How to lower your air conditioning bill

    www.aol.com/news/lower-air-conditioning-bill...

    Midea 10,000 BTU U-Shaped Smart Inverter Window Air Conditioner $419.00 at Amazon. Midea 10,000 BTU U-Shaped Smart Inverter Window Air Conditioner $419.00 at Walmart. Meet our experts

  5. R-410A - Wikipedia

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

    R-410A. R-410A is a refrigerant used in air conditioning and heat pump applications. It 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). R-410A is sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A.

  6. Why are we still using super-greenhouse gases in our home air ...

    techcrunch.com/2022/02/14/why-are-we-still-using...

    Despite the progress of the 1980s, we still do use super-greenhouse gases as refrigerants. Every home air conditioner comes with a sticker on the side with detailed information about its ...

  7. Variable refrigerant flow - Wikipedia

    en.wikipedia.org/wiki/Variable_refrigerant_flow

    Variable refrigerant flow ( VRF ), also known as variable refrigerant volume ( VRV ), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. [ 1] Similar to ductless mini-split systems, VRFs use refrigerant as the primary cooling and heating medium, and are usually less complex than conventional chiller -based systems.

  8. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    Air conditioning can be achieved using a mechanical 'air conditioner' or by other methods, including passive cooling and ventilative cooling. [ 2][ 3] Air conditioning is a member of a family of systems and techniques that provide heating, ventilation, and air conditioning (HVAC). [ 4] Heat pumps are similar in many ways to air conditioners ...

  9. The best portable air conditioner - Engadget

    www.engadget.com/2019-06-08-the-best-portable...

    Read the full guide to portable air conditioners. If you don't have central air, and a window AC isn't an option, get the LG LP1419IVSM portable air conditioner—the quietest and most efficient ...

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