can smoke from cigarettes trapped in vents be bad for health?

was just wondering live in a house where the lady smoke a pack a day the smell is gone except when we put the heater on can the be of harm or no?

1 Answer

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  • spliff
    Lv 5
    7 years ago
    Favorite Answer

    Change out the filters on your heating system... No harm will come to you, but the smell will linger otherwise

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