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Apartment central air vent

Some of the air conditioner vents not blowing air through.

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Hello.
It will usually be one of three things:
1. The vents are closed. Check that you can see up into the ducting. Usually there is a lever that opens and closes louvers behind the vent plate. If this is the case, you can open the louvers with the levers on the side of the vent plates to get your air. On older vents, the levers don't work very well, and may need replacement if this is the case. Not that you should, but I have opened the louvers with a screwdriver....It works....
-or-
2. A separated duct. Assuming that your ducts are overhead, the separation would be in the attic space.
-or-
3. An obstruction in the ducting. There may be a flapper that restricts air in one part of the ducting, forcing it more to the uther ducts. Sometimes these close off on their own accord and need to be reset for proper operation. An object in the ducting will cause the same problem.
I'd discuss this with your building maintenance team. The only item on this list that I'd take a crack at, if I were renting the apartment, is number 1. Even then, be very careful working on ladders. If you can see up into the vent, then there really isn't much else expected of you.
Hope this helps you. Regards, --W/D--

Posted on Jul 16, 2009

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