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Cold air return in basement

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  • Jun 17th, 2019 9:15 pm
[OP]
Jr. Member
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Nov 26, 2005
163 posts
55 upvotes

Cold air return in basement

I have a finished basement and it’s very cold in winter. After some research, I think the main issue is there is not CAR at all down there. My furnace area is unfinished in a closed off room. It looks like I can easily install at least one behind the drywall in the main area. My question to those who have done similar work, is it a DIY project or would it require a professional to do the job?
Last edited by tennisfan on Jun 17th, 2019 8:28 pm, edited 1 time in total.
3 replies
Member
Dec 4, 2009
237 posts
152 upvotes
Waterdown
DIY. Run it to the floor and have some sort of way to control flow...
[OP]
Jr. Member
User avatar
Nov 26, 2005
163 posts
55 upvotes
Thanks Todd96srv. From what I understand, high level process for this would be:

1. Find the Cold Air return duct.
2. Cut a hole and attached a duct joint and run the duct to near the bottom of drywall.
3. Finish off with a grill plate on the finished side.

Am I missing anything?
Member
Dec 4, 2009
237 posts
152 upvotes
Waterdown
Sounds about right. A damper might be useful so you don’t pull too much from the basement.

Fancy foil tape to seal it all up too.

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