Cold Air Return cavity question

Old 06-18-07, 08:43 PM
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Question Cold Air Return cavity question

I'm working in my basement and I'm in the middle of rerouting the cold air return register.

The previous setup was the spacing between 2 studs, but I need that area.

Now I can move over a little more on the wall, but that space has ABS piping for the plumbing ventilation. So my question for you is it ok to use this cavity as a cold air return cavity?
Old 06-19-07, 04:02 AM
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That cold air cavity has to line up with the verticle ones running throughout the house, so no, you probably cannot easily move it.
Old 06-19-07, 04:26 AM
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You do not want a sewer vent in your return plenum.
Old 06-19-07, 05:31 AM
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Is this the return for the basement or the upper floors? If for the basement, you may explore the option of placing a wall return adjacent to the air handler room, and do a direct feed from there, eliminating the need for the return in the wall/ceiling.

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