Returns opened or closed - http://www.hvacmechanic.com/ Forums
Original message
| Teedup
 |  "Returns opened or closed"
, posted Sun 5 Oct 18:15  
I have a home that originally had electric baseboard heat. I converted to gas forced hot air with the furnace located in the garage and the supply vents located in the ceilings of the rooms. There are two retrun vents on the side walls in each room. One at the top of the wall near the ceiling and the other directly below it at the bottom near the floor. My question is when I turn my heat on for the winter what position should the returns be in? A. Top closed-Bottom opened or B. Top open-Bottom closed I am not sure and want to have my furnace work as efficently as possible. I change my filter monthly so that is no problem. Thanks a bunch
Thanks a bunch
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Replies:
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| djgilbert
| "Re(1):Returns opened or closed" , posted Mon 6 Oct 21:07
Since you had 2 returns put in each room, one high and one low, Shut the top one and open bottom one for heat, for cooling shut the bottom one and open top return.
Don
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| jmar
| "Re(1):Returns opened or closed" , posted Sun 5 Oct 23:13
their may be two returns (assuming you have confirmed they are returns) in one room a high return so in cooling season hot air is pulled in to be conditioned across evap, and in heating season to pull cold air thru system.
NEVER NEVER CLOSE A RETURN. Why the returns whould have a damper adjustment confuses me. Typically a return is either of a filter rack type or just a cover with louvers Wierd.
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| learner
| "Re(1):Returns opened or closed" , posted Sun 5 Oct 20:45
Hi,
If you close the return, air won't circulate. Is that you want?
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| amech
| "Re(1):Returns opened or closed" , posted Sun 5 Oct 20:04
I,m confused as to why you would have two returns in one room. They should always be open. As far as location they should be positioned to draw air across a room. Closing vents can cause heating limits to fail. Knowing your system more would help.
Hope this helps
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| | ampulman
| "Re(2):Returns opened or closed" , posted Mon 6 Oct 07:02
I just had a new HVAC system (replacement)installed, and as part of the installation, the contractor 'split' two downstairs returns (added bottom returns).
As a result, there is little or no stratification, and the temperature difference upstairs is less.
AM
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