It has a pre-filter that catches large particles, and the tiny particles get charged with electricity to collector plates with opposite charge
Paper filters in many central HVAC systems help filter dust from the air. However, they are unable to filter tiny particles that are harmful to your health. An air purifier add-on installed in your ductwork can effectively remove mold, dust, bacteria, and viruses from the air. The pollutants could harm everyone in the house. Installing an HVAC air purifier benefits you and your family as you will breathe clean air. Those suffering from chronic respiratory problems should consider installing an HVAC air purifier. There are different types of air purifiers that you should consider when shopping for one. The first type is the media air purifier. This HVAC equipment uses thick and dense filters to trap smaller particles and are installed in the HVAC system’s return air ductwork. These air purifier units don’t use electricity, but the pollutants are filtered when the blower fan is running. The second type is the media air purifier with photocatalytic oxidation (PCO). This PCO air filter oxidizes organic contaminants such as mold and bacteria using magnetic particles coated with titanium dioxide. Pollutants are destroyed when UV light is shined into the catalytic filter, and carbon dioxide and water are created as a by-product. The PCO filter disadvantage is the higher cost of the air cleaner and the high energy bill used to run it. The third type is the electronic air cleaner (EAC). It has a pre-filter that catches large particles, and the tiny particles get charged with electricity to collector plates with opposite charge. The electrical charges also destroy bacteria and viruses. Their plates can be washed and air-dried every few weeks, thus reducing replacement expenses. Installing an air purifier will best protect your family members from air contaminants.