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  1. #1
    Join Date
    Sep 2004
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    My furnace is in the crawlspace of my house, and much of the ducting, including the main distribution trunk, is insulated hard duct. However, after having a new furnace installed last fall, a quick check of the crawl showed that all of the new ductwork has condensation on it, along with the bottom half of the cased coil attached to the "top" of the sideways-mounted furnace. The old ductwork is dry on the outside. There appears to be some air leakage from the coil itself while the unit is running. Is this something I should be concerned about?

    IIRC, the new transition ducting (which was needed to modify the system from the old slab-coil configuration) is insulated...


  2. #2
    Join Date
    Mar 2005
    Post Likes
    yes have it looked at!

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