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  2. Don't wait until the next heat wave to buy an AC — this one ...

    www.aol.com/lifestyle/midea-air-conditioner-sale...

    This Midea window air conditioner is the perfect size for a bedroom, kitchen or even a smaller living room. Normally $175, it's now marked down on Walmart to just $144 , making it quite the steal ...

  3. Packaged terminal air conditioner - Wikipedia

    en.wikipedia.org/wiki/Packaged_terminal_air...

    A packaged terminal air conditioner (PTAC) is a type of self-contained heating and air conditioning system intended to be mounted through a wall. [1] The first practical semi-portable air conditioning unit invented by engineers at Chrysler Motors. It entered the market in 1935, and was designed to fit under a window like many modern PTACs. [2]

  4. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    An air source heat pump shares many components with an air conditioning system, but includes a reversing valve, which allows the unit to be used to heat as well as cool a space. [ 50 ] Air conditioning equipment will reduce the absolute humidity of the air processed by the system if the surface of the evaporator coil is significantly cooler ...

  5. Seasonal energy efficiency ratio - Wikipedia

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

    In the United States, the efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER) which is defined by the Air Conditioning, Heating, and Refrigeration Institute, a trade association, in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [1]

  6. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and, usually being smaller, tend to be used ...

  7. Fedders - Wikipedia

    en.wikipedia.org/wiki/Fedders

    Fedders was founded in 1896 by Theodore Fedder as a producer of milk cans, bread pans and kerosene tanks. The company began manufacturing room air conditioners in 1946. [2] Fedders purchased Airtemp from Chrysler in 1976. [3] Fedders also purchased the General Electric room air conditioner and rotary compressor plant in Columbia, Tennessee in ...

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