Cold air return thermodynamics??

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Ameds
Posts: 19
Joined: Wed Oct 12, 2016 8:55 am

Cold air return thermodynamics??

Post by Ameds » Wed Feb 13, 2019 8:54 am

Hello,

I live in Ottawa, Canada, very cold winters. My heat exchanger (HRV) runs all winter long. The cold incoming air duct that leaves the HRV feeds into an initial cold air return supply duct (about 8ft run). The area directly above (hardwood floor) is freezing cold (picture attached). Will an insulation sleeve on the cold air duct warm it up a bit? I thought of putting a foam board under the subfloor (inside the thermopan cold air return) but that might be challenging. What are my options?
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Shannon
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Joined: Fri Nov 25, 2011 11:58 pm
Location: Canada
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Re: Cold air return thermodynamics??

Post by Shannon » Wed Feb 13, 2019 8:26 pm

Ya anything you can get in there would help for sure. How tight is the space?
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