Cold air returns

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Cold air returns

From: dickbloch448@yahoo.com
Category: Select Category From List....
Remote Name: 24.190.125.153
Date: 08 Aug 2004
Time: 08:58 PM

Comments

Can you tell me how to determine if my cold air returns are sufficient for my Central Air/Heat unit. Also is there any merit to opening and closing the upper and lower grills depending on the season; i.e. bring warm air down by closing the top grill in winter

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