re: Anybody else’s wife have no idea how an AC thermostat works?

quote:

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Setting it lower than the desired temp Makes it blow colder and thus reach the desired temp sooner.

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This only works if you have a relatively modern unit that will adjust to the demand with a multi-stage compressor and/or a variable speed fan in the air handler. The temperature differential for the higher demand call is typically 3 to 5 degrees. Probably very rare in units that are 25 years or older.

You already knew this but you also need to know your audience.