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Cold air return near the ground or ceiling?

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Cold air return near the ground or ceiling? affiliateian 05-27-2006
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Posted by hallerb@aol.com on May 28, 2006, 11:25 pm
a long time ago a realtive had AC, back in the late 60s. He was
wealthy. first air condioning I had ever seen

Anyhow he had 2 sets of air returns with levers to close them off, one
high for AC season, one low for heating season. He would turn off the
unneeded one depending on the time of year.

Never saw another set up like that, I suspect furnaces today do a
better job of circulating air thus the multi speed blowers.


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Posted by hallerb@aol.com on May 28, 2006, 11:25 pm
a long time ago a realtive had AC, back in the late 60s. He was
wealthy. first air condioning I had ever seen

Anyhow he had 2 sets of air returns with levers to close them off, one
high for AC season, one low for heating season. He would turn off the
unneeded one depending on the time of year.

Never saw another set up like that, I suspect furnaces today do a
better job of circulating air thus the multi speed blowers.


Posted by JefCullen@gmail.com on May 30, 2006, 11:20 pm
Ceiling...I had a problem where the upstairs is warmer then the
downstairs when the a/c is on. The house was built w/ 1 return upstairs
on the floor. I've sence installed returns in the ceiling upstairs. It
made a huge dif. It the winter im going to cover the return so it
doesn't return the warm air. If I were you, I would put one high and
one low and close one depending on the season. If your return in the
basement is pulling too much air due to it not haveing much resistance,
it may be pulling less air from inside the living space. Not good

filiateian@gmail.com wrote:
> The developer is coming back to put in a cold air return grill of which
> they had dry walled over. The contractor will check to see if the grill
> can be installed near the ceiling or the ground (depending if the studs
> have been sealed off half way up the wall - usually, cold air returns
> are near the ground).
>
> This is for the top floor of a 3 floor home. Here is my thinking.
> Experts in this area, please chime in. To help remove more heat in the
> top floor, I am tempted to ask teh contractor to install the grill
> close to the ceiling. Aesthetically, it may not be as pleasing but
> wouldn't this help in drawing away some of the heat in the summer time?
>
> My furnace has a 2 stage motor but the original developer only hooked
> it up to run on 1 stage. I am getting central A/C put in and their
> installer thinks he can re-setup the wires so that it can utilize the 2
> stage blower. SO... on the hot days, the cold air return will, in
> theory, pull out more heat from teh top floor (as it is closer to the
> ceiling). In the cold days, it will still pull away more heat but I am
> thinking this is ok since the heat will be on anyways. By the way,
> thermostat is on middle floor. On the not so hot days, I am thinking I
> can run the blower to circulate air without using the A/C or furnace
> heat. Our furnace actually pulls air from cold air returns inside the
> home as well as a duct that draws air from the outside of the house.
>
> Any thoughts, advanatges or disadvantages on whether we should install
> the cold air return near the ceiling or ground (on the 3rd floor)?


Posted by on May 31, 2006, 2:02 am
JefCullen@gmail.com wrote:
> Ceiling...I had a problem where the upstairs is warmer then the
> downstairs when the a/c is on. The house was built w/ 1 return upstairs
> on the floor. I've sence installed returns in the ceiling upstairs. It
> made a huge dif. It the winter im going to cover the return so it
> doesn't return the warm air. If I were you, I would put one high and
> one low and close one depending on the season. If your return in the
> basement is pulling too much air due to it not haveing much resistance,
> it may be pulling less air from inside the living space. Not good

hmmm, that sounds like a good idea. Just curious. Do you have any other
returns besides the ones on your top floor?


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