
12-20-2007, 04:44 PM
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Member
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Join Date: Nov 2002
Location: Edmonton AB
Posts: 4,212
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Some rules of thumb to prevent window condensation during the heating season- Recommended indoor RH: 30 per cent to 50 per cent
- When it is below -10oC outdoors,
recommended indoor RH: 30 per cent
from CMHC here
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