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Old 05-30-2010, 04:44 PM
 
Location: North Carolina
571 posts, read 1,299,757 times
Reputation: 651

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Our home's HVAC system was new when we bought our house (two years ago.) There is one floor register in one of the bedrooms that doesn't seem to emit much in the way of heat or A/C. There's a gentle wind that comes out, but it's not very effective. It's been this way the entire time. The rest of the system works great. Any information as to why this may be happening?

Thank you.
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Old 05-30-2010, 04:51 PM
 
Location: On the Chesapeake
45,016 posts, read 60,017,539 times
Reputation: 60565
Might there be a partially closed damper in the duct leading to the register?
Or is it the last one in the run?

Both would maybe cause the issue.
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Old 05-31-2010, 07:28 AM
 
Location: Knoxville
4,705 posts, read 25,209,543 times
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If the air flow is not the same as the other registers, you have a balancing problem.
It could be caused by a partially disconnected duct, or a gap in the ducting.
It may need a baffle installed inside the main trunk line to get the air flow correct.

If you can get under your house to see the ducts, then go under there and look for duct leaking air.
YOu may need a HVAC guy to come out and balance the system.
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Old 06-01-2010, 10:18 AM
 
8,652 posts, read 17,194,365 times
Reputation: 4622
Quote:
Originally Posted by Barking Spider View Post
If the air flow is not the same as the other registers, you have a balancing problem.
It could be caused by a partially disconnected duct, or a gap in the ducting.
It may need a baffle installed inside the main trunk line to get the air flow correct.

If you can get under your house to see the ducts, then go under there and look for duct leaking air.
YOu may need a HVAC guy to come out and balance the system.
Good place to start looking...We had that problem...
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Old 06-01-2010, 09:41 PM
 
5,697 posts, read 19,088,542 times
Reputation: 8694
Check the damper. We recently re-adjusted ours when we turned on our A/C. We took a sharpie and wrote on each duct what damper is for what room. That helps when one vent doesn't seem to be working as well as the others.
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