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2. Our Editor Tried the Best Air Conditioners on Amazon ... - AOL

   www.aol.com/editor-tried-best-air-conditioners...

   What's more, many of these Amazon air conditioners are on sale, so you can chill out and cut back on costs along the way. Shop more summer cooling essentials: The 7 Best Cooling Mattresses for Hot ...

3. How to lower your air conditioning bill

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

   LG 8,000 BTU Window Air Conditioner $289.99 at Amazon. LG 8,000 BTU Window Air Conditioner $279.00 at LG Electronics. LG 8,000 BTU Window Air Conditioner $290.74 at Wayfair. Frigidaire FFRA051WAE ...

4. HVAC control system - Wikipedia

   en.wikipedia.org/wiki/HVAC_control_system

   HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   Innovations in the latter half of the 20th century allowed more ubiquitous air conditioner use. In 1945, Robert Sherman of Lynn, Massachusetts, invented a portable, in-window air conditioner that cooled, heated, humidified, dehumidified, and filtered the air. [37] The first inverter air conditioners were released in 1980–1981. [38] [39]

6. Damper (flow) - Wikipedia

   en.wikipedia.org/wiki/Damper_(flow)

   A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control - for example, in the case of ...

7. Don’t Lose Your Cool—Here Are the Best Window Air ...

   www.aol.com/dont-lose-cool-best-window-193000344...

   Window air conditioners use motor-driven fans to pull hot, moist indoor air over a metal tube coil with cold refrigerant gas inside. The heat energy in the room passes through the metal coil into ...

8. Thermostat - Wikipedia

   en.wikipedia.org/wiki/Thermostat

   To improve the control performance of the system, thermostats can include an "anticipator", which stops heating/cooling slightly earlier than reaching the setpoint, as the system will continue to produce heat for a short while. [4] Turning off exactly at the setpoint will cause actual temperature to exceed the desired range, known as "overshoot ...

9. Heating, ventilation, and air conditioning - Wikipedia

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

   An air conditioning system, or a standalone air conditioner, provides cooling and/or humidity control for all or part of a building. Air conditioned buildings often have sealed windows, because open windows would work against the system intended to maintain constant indoor air conditions.