>... 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
XML site map
>America, it is almost impossible to seal a house too tightly.