LPT if smoke keeps coming in the fireplace when you light it, check that your bathroom exhaust fan or clothes dryer aren’t running
LPT if smoke keeps coming in the fireplace when you light it, check that your bathroom exhaust fan or clothes dryer aren't running It took me a ridiculously long time to figure out why sometimes I'd light my fireplace and the smoke would come in. Turned out to be a negative pressure issue due to all windows closed and clothes dryer running, although bathroom exhaust fan will do the same.
submitted by /u/Nicetrydicklips