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    aaron128's Avatar
    aaron128 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jun 20, 2010, 08:33 AM
    Is the return air duct suppose to have suction to take hot air out
    Is there suppose to be suction from the return air duct to take out hot air
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Jun 20, 2010, 08:42 AM
    Quote Originally Posted by aaron128 View Post
    Is there suppose to be suction from the return air duct to take out hot air
    It does not actually take out the hot air but it draws in the warm air so the evaporator/cooling coil can do its job by removing the heat and moisture and return the conditioned air back into the dwelling/business. Yes there will be a air draw into the return air opening.
    wmproop's Avatar
    wmproop Posts: 3,749, Reputation: 91
    Ultra Member
    		  
    #3

    Jun 20, 2010, 09:32 AM
    Something very light like a tissue or paper towel held close to the return will show you if there is suction
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