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  2. 5 things you should (and should not) do to make your AC unit ...

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    5 expert tips for making your air conditioning unit run better. Here’s what Smith recommends: 1. Annual maintenance: “Have a professional come check the controls to make sure the electricity ...

  3. How to Clean an Air Conditioner (Because You Should Be ... - AOL

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    Air conditioning is a gift from the gods—without it we’d all suffer many sleepless nights and miserable sweaty days during the summer...

  4. How to Clean an Air Conditioner (Because You Should Be ... - AOL

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  5. Air conditioning - Wikipedia

    en.wikipedia.org/wiki/Air_conditioning

    The output of the infrared LED (like that of any infrared remote) is invisible to the human eye because its wavelength is beyond the range of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central air conditioners uses it as well.

  6. Heating, ventilation, and air conditioning - Wikipedia

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

    Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...

  7. 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:

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