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leaky duct

  1. I'm finding chunks of (cellulose) attic insulation in the A/C registers....

    HVAC
    ...which leads me to thinking there must be a leak. A BIG leak as these are close to pinky sized pieces of cellulose that are getting stuck on the register before the duct from the forced air unit reaches the inside of the living room. Now, I've gone up into the attic and looked for leaks but...
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