Pollutants such as dust particles, mold spores and chemical fumes find their way into your home's air every day. These pollutants can cause poor indoor air quality (IAQ), which impacts both your home environment and health. Lennox has long been a leader in solving IAQ problems. We have a robust offering of Lennox IAQ filters, media and lamps to keep your Lennox IAQ equipment working like new. Make sure you change filters and bulbs according to the recommended schedule.