Call Charter Oak Mechanical to improve indoor air quality in greater Manchester and West Hartford CT. We believe your home's air quality should be pure and safe. Charter Oak Mechanical specialize in improving your indoor environment. HEPA filters and air cleaners take most of the particulates out of the air. Do remember that your air ducts and vents need to be cleaned periodically. Your air ducts circulate the air flow from your heating and cooling equipment. When dust and environmental debris c