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Old 03-13-16, 03:37 PM   #10
MN Renovator
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Quote:
Originally Posted by stevehull View Post
...Frigid cold or blazing heat can be easily contended with, but high humidity at low temperature loads is tough.
I usually figure with R60 that they would have prevented or retroactively resolved the air infiltration issue. Normally using foam involves taping as well as offsetting seams including sealing(gaskets/foam/liquid applied flashing/etc.) any areas that meet other building materials. It sounds like something went wrong with the design.

..but either way with an equipment damaging moisture problem, a dehumidifier would have mitigated that when cooling loads are low. In my opinion, an ERV doesn't make much sense if your primary latent gains are through infiltration and internal loads, if it were to replace a ventilating system that was bringing in the moisture, that would make more sense but that doesn't sound like the issue. Granted it would remove the human factor/perspiration issue of multiple people in a small space whenever ventilation is lacking.
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