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Why more A/C tonnage downstairs instead of upstairs?
At my house I have something like 4 or 5 tons of AC for the first floor and basement and about 3 tons for the upstairs. If I turn all A/C off and walk out of the house - when I return the upstairs will be much warmer than the downstairs. We all know hot air rises. So why don't I have 4 or 5 tons for just the upstairs and 3 for the bottom two floors? The basement is frigid regardless of A/C.
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