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Old 01-10-2009, 09:58 AM   #1
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Making a cold air return...


I need to make a cold air return in my basement and this is a picture of the hallway that I would like to do it in. This is the most centralized location so it is the ideal spot. My question is. Can I just take a jigsaw and cut out a rectangle out of the top plate in this wall and go straight into the main duct in the picture (which is the return by the way)? I realized in this picture that I made the cutout too big. I would not cut into the part where the board running perpendicular to the wall is since the wall is attached at that point. So the cutout wouldn't quite be a full 15-16 inches wide. Anyone have a good internet reference on a DIY cold air return?

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Old 01-10-2009, 10:12 AM   #2
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Making a cold air return...


Kinda of a hack way but it acceptable.

Or you could go across the plate with a two inch hole saw.

Only prob is it probably is going to be hard to cut a neat and decent opening in the panning. And you'll have to seal the top with caulking between the wood and panning.

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Old 01-10-2009, 10:29 AM   #3
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Making a cold air return...


Yeah, I definitely agree that it is the hack way to go. I just don't see any other way too do it. I actually had an HVAC guy come in and give me an estimate on the whole basement and he said he would put the return in that spot.

You say to use a 2 inch hole saw...Is that all that is needed is a two inch hole? Or do you mean to drill a few holes with it?
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Old 01-10-2009, 10:34 AM   #4
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Making a cold air return...


Yeah. Go across the length of the plate and keep about a half inch between the holes.
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Old 01-10-2009, 11:59 AM   #5
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Making a cold air return...


Quote:
Originally Posted by hvaclover View Post
Yeah. Go across the length of the plate and keep about a half inch between the holes.
Cool idea. So the DIY would just 2" hole over the entire area up through the sub-floor and floor register above and seal and free return? Yes, better then cutting out the plate.

(edit) Oh, never mind. My eyes have adjusted to the picture and I can see above the plate now. Duh!
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Old 01-10-2009, 12:29 PM   #6
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Making a cold air return...


lol i do that a lot too.

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