First of all, I highly recommend a BPI (Building Performance Institute) certified audit to door-fan test your home to find out where the leaks and cracks are that are allowing pressure differences to "suck" outdoor air into your home.
- Even small leaks in a home in the "invisible" places make a big difference.
- Hopefully the technician will be using an infrared camera to pinpoint the areas of leakage during the door-fan testing.
- Search GreenHomeGuide to find anenergy auditornear you.
The second step is to use a real air-purification system such as the units I have put in homes during wildfires in California. These plug-and-play units will drop the smoke particulate quickly and safely and improve your home air quality.
Step one is as important as step two.