For that have added a second AC yourself.
My 5er is prewired for a second AC, and I'll be using/removing the vent . Not planning on running both at same time as we're seasonal on 30amp service. So my questions are how difficult of a job i...
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I'm no expert, but DO NOT use dicor or anything else to seal the unit. The new AC unit should come with a big thick gasket that sits between the AC and the roof.
