DIY Home Repair Forum: HVAC
10-11-2010, 05:35 AM
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Replies: 2
Views: 1,445
Insulation in cold air return?
Hi, all - I just bought a house from the '40s which uses ducts that are built into the support beams, Opened up cold air intake to clean it before turning on heat, and saw that it was full of...
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