Check the filter(s). If you have 2 units (for say a 2 zone system), one in the basement and one in the attic, check each one. They are usually between the Furnace/A-C Evaporator and the supply air plenum (air handeler). Also, check the balancing dampers (like big valves in the ductwork). When a system is installed, the guys should have set the dampers to evenly balance the system, a maybe marked on the outside of the ductwork "Summer" and "Winter", where the handles should be aligned with during those seasons. If you have rigid rectangular ducts, the possibility of one of them loosening up and allowing more air thru (or less) is good. In my experience, round ducts have this happen less, but check it either way. Look near the air handler for a handle protruding from the side of each duct that branches out. Wiggle each handle a little, they should all be firmly in place. If one turns with little effort, I'd say that you found the problem. --> -----Original Message----- --> From: Raymond Camden [mailto:[EMAIL PROTECTED]] --> Sent: Monday, January 13, 2003 6:36 AM --> To: CF-Community --> Subject: heating problem --> --> What could be wrong if the AC/heating units in my house appear ot be in --> very good condition - and yet one section of the house seems to get no --> heat. Everywhere else gets _excellent_ heat (in fact, if I turn the heat --> upstairs above 62 or so, it gets sweltering) - but the bedrooms only --> seem to get a tiny amount. --> --> -rc --> -->
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