<html><head></head><body>Pretty much. And all the seams leak air. So that joist bay is coolest or warmest point in the house.<br>
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We paid a contractor to upgrade our furnace and seal and insulate the duct runs to improve our efficiency. Apparently they didn't seal the joints but just insulated and foil taped the insulation. When the air is on, the insulation jackets puff up. <br>
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It's better than before only by tape. We used to keep the vents closed in the basement in winter. All the leaks kept it warm enough. Now we have adjust the vents.<br><br><div class="gmail_quote">On September 12, 2017 9:25:58 AM EDT, Jerald Sheets <questy@gmail.com> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail"><br /><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;"> On Sep 11, 2017, at 3:16 PM, Jim Kinney <jim.kinney@gmail.com> wrote:<br /> <br /> <br /> Due to a large, sheetmetal duct in the center of the house between floors,<br /></blockquote><br />Residential plenum chamber?<br /><br />:-D<br /><br />—jms<br /></pre></blockquote></div><br>
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