If you’re concerned with indoor air quality, you likely know there are multiple HVAC air purification options. Most use various filtration methods to remove harmful substances from the air. Unfortunately, most of them struggle to eliminate biological contaminants. For that, you need an air sterilization system instead. Landen Heating and Cooling is the place to turn for a UV light installation in Raleigh, NC. Unlike an air filter, a UV light can sanitize the air as it passes through your HVAC system.