Say Goodbye to Indoor Irritants and Pollutants WE SELL AND INSTALL AIR PURIFIERS THROUGHOUT HANOVER PARK, IL AND CHICAGOLAND AREA Allergens and irritants can find their way into your home, having a significant impact on your health and indoor air quality. Aerus wants to help you restore balance inside your home with professional air purifiers and water purifiers. Air and water purification is so important for every business and household. That's why we sell and install systems for homeowners and business owners based in Hanover Park, IL and in the Chicagoland area.