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12-26-2012, 07:49 AM #10Sounds like, even though you are further north than I am in PA, you don't get as cold weather as I do. So, definitely have a load calculation done before having a new furnace installed. You just may be fine with a 60-70K condensing furnace in the 90+ efficiency range.
The longer cycles will even out the air temperatures throughout your house and you overall feel more comfortable while saving money on energy.