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  1. So it's been about a month. I had the exhaust...

    So it's been about a month. I had the exhaust fan running in the attic for most of the time, interlocked with the fan in the XT150. Looks like it had a major effect in accelerating the curing of...
  2. So, I found that achieving 40% may be possible...

    So, I found that achieving 40% may be possible after letting it run constant for a few days (retained moisture in building contents takes a while to dry out??), but it is probably not desirable. At...
  3. System is now 90% installed, just a bunch of...

    System is now 90% installed, just a bunch of little things to fine-tune at this point. System was first powered on about 4 hours ago. I have it configured to try and maintain 40% RH and run the...
  4. Teddy Bear, Thanks! The house is occupied most...

    Teddy Bear,

    Thanks! The house is occupied most of the day -- I work from home. Also, the sprayfoam is still offgassing somewhat, and I'd like to accelerate the curing process as much as possible,...
  5. There is no basement. I don't want to have it go...

    There is no basement. I don't want to have it go into the HVAC ducts because I want it into both zones of the house.

    I thought about this, but decided the "hot air" probably isn't an issue -- the...
  6. New Retrofit IAQ Build Sanity Check / Ultra-Aire XT150H efficiency with constant fan

    Hi,

    My house had been sprayfoamed last year, and the soffit vents have been sealed which made the home much tighter, and the amount of fresh air in the house has been reduced considerably,...
  7. I am just about to install a Lennox PureAir which...

    I am just about to install a Lennox PureAir which is a PCO system. Should I be concerned about this?
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