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Re: Are replacement windows ever worth it? or What's wrong with my
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David Williams
May 12, 2008, 11:27:17 AM5/12/08
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-> Also look to fix any excessive draughts you may have. Note that it's importa
-> that your home needs some air circulation (so don't make it 'hermetically
-> sealed') or humidity will increase to unpleasant levels which may then (read
-> WILL) also lead to internal condensation.
-> Graham
That's appropriate advice for people in the U.K. and places with
similar climates, where the temperature rarely goes much below freezing
and the humidity is almost always high. But in areas with "continental"
climates, such as north-eastern North America, it is almost impossible
to seal a house too tightly.
dow
-> that your home needs some air circulation (so don't make it 'hermetically
-> sealed') or humidity will increase to unpleasant levels which may then (read
-> WILL) also lead to internal condensation.
-> Graham
That's appropriate advice for people in the U.K. and places with
similar climates, where the temperature rarely goes much below freezing
and the humidity is almost always high. But in areas with "continental"
climates, such as north-eastern North America, it is almost impossible
to seal a house too tightly.
dow
nicks...@ece.villanova.edu
May 12, 2008, 1:08:26 PM5/12/08
to
David Williams <david.w...@bayman.org> wrote:
>... in areas with "continental" climates, such as north-eastern North
>America, it is almost impossible to seal a house too tightly.
IIRC, there were problems with some tight houses in Ontario when the owners
never used the "mechanical ventilation system," eg a bathroom exhaust fan.
A 2400 ft^2 Canadian IDEAS house might only leak 2 cfm naturally.
Nick
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