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Posted by JT on February 2nd, 1998 03:21 PM
In reply to Weep Holes, Indoor humidity by George on February 1st, 1998 06:58 AM [Go to top of thread]

I guess I have to agree with George about the damp
basement. If there is standing water in any amount
it is indicitive of high humidity. 48% is high if
the climate is very cold, since the reletive humidity
at any cold surface must be kept below 70% to prevent
mold and mildew growth (RH rises as air is cooled).
Does the dehumidifier in the basement run continuously?
I agree that more ventilation may help, and an air
to air heat exchanger can pay for itself depending,
again, on the climate. A ventilation control that
runs the system for a specified amount of time each
hour may help. If you have a force air heating system,
be sure duct leakage is not forcing more basement
air into the house than would otherwise enter.

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