Many of us do not care how an air conditioner works, just as long as it does work. If it fails, we either call the repair technician or get out our tools and start tinkering with it, according to our tendencies and abilities. But if we do care how the thing works, a little understanding of the parts and processes involved in air conditioning will ease our AC anxiety. Once the limits of our tools and know-how are reached, we can always give the AC repair people a call.
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