I'm just jealous that it cools down for you guys at night. I wanted to put in an attic fan but the cost outweighed the few nights a year it can be used.
My ac runs from around noon till 10 pm pretty much non stop because it was sized "correctly". New system will end up being around a ton or so bigger due to real world conditions. Also doesn't help that the returns are on the floor and the supply registers are all on interior walls...
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