Healthy indoor air quality
How to keep wildfire smoke out of Homes with mechanical ventilation systems?
...smoke from wildfires. Smoke sucks.
According to the US Environmental Protection Agency, indoor air can be 2 to 5 times more polluted than outdoor air under normal conditions. Since outdoor air is usually cleaner, ventilation systems and especially HRV's and ERV's can reduce indoor pollutant levels by constantly changin...