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Posted by Clark W. Griswold, Jr. on June 18, 2006, 6:01 pm
una@att.net (Una) wrote:
>A key point that seems to need underlining here is that there
>are two elements. The air exhaust (via fan), and air *intake*.
>You can put in a humongous monster of a fan but if you don't
>open enough windows and interior doors throughout the house,
>the fan cannot get enough house air to exchange hence cannot
>cool the house. This is especially true in a newer, "buttoned
>up" heating/AC efficient house.
And in this situation, you run the risk of back venting furnaces, water heaters
and any other vented devices in the house, which is a very bad thing.
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