Article: Tight house doesn't have to promote mold

Dear Jim: My children have allergies to mold. I want to make my house more airtight for better energy efficient, but I heard this can exacerbate mold problems. What improvements can I make? - Karla S.

Dear Karla: People often think airtight, musty, mold-ridden indoor air quality is the price one has to pay greater energy efficiency. Actually, making your house more energy efficient can positively effect air quality.

Mold spores are a unique indoor air quality and health issue because they can come from outdoors or indoors. With many allergens, such as pollen, the source is outdoors, and an efficient airtight house keeps them outdoors. Mold spores, though, can live and breed inside your ...

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