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Matching the outside unit to the inside. So 30 years ago my father removed the outside AC unit from their vacation home in South Eastern Virginia. Some good reason at the time, between lower taxes on non AC homes, extensive remodeling and real men don’t need AC. LOL. So now the condenser in the attic space that blows air, a drip pan that does not leak and the system worked when disassembled has me looking for a good outside unit. I expect the two units are sized to fit each other? How close do they have to be? No obvious tag info on the air handler. Is there a way to measure the condenser and determine how many tons? Sorry if I am using the wrong terms. Measuring the “A” coil?