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  1. HVAC
    Hi all, I redid pieces of my zoning system a few months ago but we had such a mild winter the furnace barely went on. Now that we're getting towards summer the old problems that I had are reappearing. I was hoping some here may be able to help me out. The system: Two-story house with a...
  2. HVAC
    Hi all, We've got a Lennox natural gas HVAC system with a Harmony II controller. Two zones I believe. The zone damper motors have failed in the closed position. I had the original installer out they are estimating a $3k repair to replace them. Primary reason is that the dampers are situated...
  3. HVAC
    Hello all! I have a few questions about an issue that I am having with my HVAC system in my condo. 1. My zone damper has been making this terrible whining noise for quite some time now. Recently it stopped making the noise and just makes a hum like a motor is seized inside or something. Does...
1-3 of 3 Results