ducts


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Old 06-29-05, 03:03 PM
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ducts

We live in a townhouse and when the sun hits the roof the upstairs bedrooms gets quite warm. In order to cool them for sleep, we must let the a/c run a long time but this makes us cold on the first floor where we watch tv etc. The celler is very cold. Is it advisable to close some of the vents where it is so cold to get more cooling upstairs or would that disrupt the design of the system?
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Old 06-30-05, 08:16 PM
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You can close off some of the vents to force more air upstairs.. Do you have returns up there??
 
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Old 07-01-05, 05:16 AM
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ducts

There are ducts feeds and a return but the near flat roof generates heat that overwhelms the a/c. There is no way to insulate more either. No big deal but poor design. We also have a cathedral ceiling over the dining and livingroom so pretty as it is it is not efficient.
I thought I read somewhere that closing ducts negatively affects the design of the a/c system-are you sure? Thank you.
 
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Old 07-01-05, 07:30 AM
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do you have returns near the ceilings?

If you close off a few supply you're fine.. but if you close all the main floor, yes it will be hard on the system.. DO NOT close off returns..
 
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Old 07-01-05, 07:51 AM
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ducts

There are returns on the main floor+upstairs at ceiling height(also in the celler at the heat pump). I could close one of the two celler feeds+ one in the main floor bath which is too cold-it is apart from the hot area.
 
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Old 07-01-05, 08:51 AM
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Wink

Close some of the lower "feed's the registers "just some not all the way. Then try turn the blower on and let it run 24/7.

ED
 
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Old 07-01-05, 09:19 AM
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ducts

Thank you for all the help.
 
 

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