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Upstairs is 5 degrees warmer than downstairs

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Upstairs is 5 degrees warmer than downstairs mc9874 06-18-2007
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Posted by on June 18, 2007, 8:17 pm

>Noon-Air wrote:
>>
>> You could have had comfort upstairs too, but you decided to cheap out and
>> not do the zoning, and now your not happy with your decision. Go figure.
>>
>> BTW, closing the vents off is *NOT* the answer. That will cause you all
>> kinds of additional problems.
>>
>>
>
>Steve... your post couldn't have been more on target re: closing the vents.
>
>To the OP.... stop this practice IMMEDIATELY. The HVAC pro's are being
>nice about it... but I will not. It's just plain dumb. There is a thing
>called 'system balance' which must be maintained or you'll ruin your
>equipment and have no cooling at all.

        A better answer would be 'if you don't know what you're
doing'. In fact, I routinely close my vents ( some of them ), but
then again I know exactly why, and exactly what happens in the system,
and I know exactly how my system is performing, and why. And I close
a vent or two, not 'half the system'.

>
>As another poster noted.. your BEST answer is to properly vent the
>attic. You'd be surprised how much that will help help "fix" this problem.

        Yep.

>
>Jake

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Posted by on June 18, 2007, 8:16 pm
mc9874@gmail.com wrote:

>I have a 12 yr. old house, 2 stories, cheaply built. I replaced the
>air conditioner (thanks for the advice, btw, got the Trane Puron). I
>am not willing to add zones to get the upstairs to be cooler because I
>won't be in the house more than 3-4 years and I won't get the return
>on my money when I sell. I've closed off the room vents to get the
>upstairs cooler (the downstairs is great!), but there's still a lot of
>air leakage, and noise, from those vents. Can I block them with
>plastic wrap, or those magnetic covers to get more cool air upstairs?
>I have ceiling fans in a couple of the rooms, upstairs and down, and
>have run the blower non-stop but there is still a big difference in
>air temp between the 2 levels. Any other advice or should I just
>crank the downstairs to arctic in order to get the upstairs livable?
>I am going to get the AC installer back out here to see what he says
>also.
>
>Thanks,
>mcnick


Increase the size of the supply air ducts feeding the second floor and
install a 2nd floor return air grill, preferrably near the ceiling.

Closing off grills is not the answer, unless of course you have duct
work that automatically upsizes itself as more grills are closed off.

Posted by on June 18, 2007, 10:48 pm

> mc9874@gmail.com wrote:
>
> >I have a 12 yr. old house, 2 stories, cheaply built. I replaced the
> >air conditioner (thanks for the advice, btw, got the Trane Puron). I
> >am not willing to add zones to get the upstairs to be cooler because I
> >won't be in the house more than 3-4 years and I won't get the return
> >on my money when I sell. I've closed off the room vents to get the
> >upstairs cooler (the downstairs is great!), but there's still a lot of
> >air leakage, and noise, from those vents. Can I block them with
> >plastic wrap, or those magnetic covers to get more cool air upstairs?
> >I have ceiling fans in a couple of the rooms, upstairs and down, and
> >have run the blower non-stop but there is still a big difference in
> >air temp between the 2 levels. Any other advice or should I just
> >crank the downstairs to arctic in order to get the upstairs livable?
> >I am going to get the AC installer back out here to see what he says
> >also.
> >
> >Thanks,
> >mcnick
>
>
> Increase the size of the supply air ducts feeding the second floor and
> install a 2nd floor return air grill, preferrably near the ceiling.
>
> Closing off grills is not the answer, unless of course you have duct
> work that automatically upsizes itself as more grills are closed off.


That's not why it's called 'flex'? :-)




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