My furnace will run full cycle of heat then full cycle of cold [Archive]

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Cliffordrp

Aug 17, 2014, 07:58 PM

Why is it that my furnace will run full cycle of heat then full cycle of cold air till the heat kicks in again my furnace is a Armstrong ultra v tech 80. Thanks

bitters

Aug 18, 2014, 08:36 AM

When you say, full cycle of cold, do you mean the AC is coming on?