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2. The Best Window Air Conditioners, According to ... - AOL

   www.aol.com/best-window-air-conditioners...

   Friedrich Chill Premier 10000 BTU Smart Window Air Conditioner CCF10A10A. Best for: Large rooms This model can cool a 400- to 500-square-foot space with ease thanks to its 10,000 BTUs and eight ...

3. Tested and Approved: The Best Air Conditioners for Staving ...

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   Best Budget: Frigidaire FFRA051WAE Window Air Conditioner Best Design: July Window Air Conditioner Quietest: Midea U-Shaped Smart Inverter Window Air Conditioner

4. The 6 best-looking window air conditioners that look like decor

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   Best for Small Rooms: Frigidaire 8,000 BTU Inverter Quiet Temp Wi-Fi-Enabled Room Air Conditioner Quietest Pick : Dreo Ultra Quiet Inverter Window Air Conditioner

5. The Best Window Air Conditioners for Fighting the Heat Wave ...

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   Window-mounted air conditioning is the coolest kind. For premium support please call: 800-290-4726 more ways to reach us

6. Seasonal energy efficiency ratio - Wikipedia

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

   Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:

7. Inverter compressor - Wikipedia

   en.wikipedia.org/wiki/Inverter_compressor

   This is a very common unit type. The rising cost of energy means that air conditioning manufacturers must develop a new generation of high-efficiency, cost-effective air conditioners for commercial buildings that meet or exceed a part-load efficiency standard of typically 18 IEER. The aim is to reduce energy use by 30% over current equipment.

8. Power inverter - Wikipedia

   en.wikipedia.org/wiki/Power_inverter

   Another type of SCR inverter circuit is the current source input (CSI) inverter. A CSI inverter is the dual of a six-step voltage source inverter. With a current-source inverter, the DC power supply is configured as a current source rather than a voltage source. The inverter SCRs are switched in a six-step sequence to direct the current to a ...

9. Coefficient of performance - Wikipedia

   en.wikipedia.org/wiki/Coefficient_of_performance

   The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [1] [2] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. The COP is used in thermodynamics.