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  1. MontanaMikie

    new home ,air changes per hr?

    Our 1,144-SF-per-floor, super-insulated two-story home seems to stay fresh (according to my wife's sensitive nose) if we run one Panasonic (very quiet) 70-cfm fan 24/7. Since there are five people in the home, this one bath fan amounts to 14 cfm/person. Assuming 8-foot ceilings, the volume of...
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