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2. We Did the Research and *These* Are the Best Air Conditioner ...

   www.aol.com/did-research-best-air-conditioner...

   For moments when you need to move it around, there are casters on the bottom and side handles on this small air conditioner. Dimensions: 17.1 x 28.1 x 13.8 inches Weight: 68.3 lbs.

3. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality .

4. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   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 in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]

5. Packaged terminal air conditioner - Wikipedia

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

   Packaged terminal air conditioner installed in a residential apartment. 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 ...

6. Summer is officially in full swing — stay cool with Amazon's ...

   www.aol.com/lifestyle/cool-down-home-summer...

   Keep your home cool and family happy this summer with these amazing window-mounted air conditioners. Skip to main content. Lifestyle. 24/7 help. For premium support please call: 800-290-4726 ...

7. Constant air volume - Wikipedia

   en.wikipedia.org/wiki/Constant_air_volume

   Constant air volume (CAV) is a type of heating, ventilating, and air-conditioning system. In a simple CAV system, the supply air flow rate is constant, but the supply air temperature is varied to meet the thermal loads of a space. [1] Most CAV systems are small, and serve a single thermal zone.