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  • Furnace Cold Air Return Question

    In my home I have two air returns for my furnace. One is on a wall near the floor and the other is straight up above it near the ceiling. Upon removing the covers to clean them I see that the air theoretically goes up between a couple of studs up the wall and over to the furnace. However, I am wondering, should this channel within the wall where the air returns to the furnace be lined at all (eg. with metal)? At the moment it isn't. I wondered if it was supposed to have a sealed channel that returns air to the furnace. Evidently, the air just goes into the wall and the furnace picks it up from there?

  • #2
    Re: Furnace Cold Air Return Question

    you have this in almost all the rooms right
    this is the way they do it and as long as there are no big holes in the studs this is fine . do you also have AC ,you shut the top in the winter to pull the heat down then in the summer close the bottom and open the top to pull the cool air up off the floor
    Charlie

    My seek the peek fundraiser page
    http://observatory.mountwashington.o...nal&fr_id=1040


    http://www.mountwashington.org/weather/conditions.php

    new work pictures 12/09
    http://public.fotki.com/hvachawk/

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    • #3
      Re: Furnace Cold Air Return Question

      No, the cold air returns are just in one room. Also, upon looking at it more closely, the air going to the furnace isn't necessarily even coming through these vents because it seems the furnace could even be drawing air just from inside the walls or even from between the ceiling/floor space between the 1st and 2nd floor.

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      • #4
        Re: Furnace Cold Air Return Question

        Originally posted by jay333 View Post
        No, the cold air returns are just in one room. Also, upon looking at it more closely, the air going to the furnace isn't necessarily even coming through these vents because it seems the furnace could even be drawing air just from inside the walls or even from between the ceiling/floor space between the 1st and 2nd floor.
        Take some pictures.

        Usually the stud cavity is not closed off, or clad in metal.

        Are you certain there is only one of these arrangements in the entire house?

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        • #5
          Re: Furnace Cold Air Return Question

          take pictures of the unit
          if this is the only return it will be way to small
          Charlie

          My seek the peek fundraiser page
          http://observatory.mountwashington.o...nal&fr_id=1040


          http://www.mountwashington.org/weather/conditions.php

          new work pictures 12/09
          http://public.fotki.com/hvachawk/

          Comment

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