Duct Cleaning Specialists of Emmaus, Pa. is the Lehigh Valley area's affordable air duct cleaner for both home and business. Having your air ducts, dryer vent and HVAC system inspected and cleaned annually will not only enhance air quality, lower energy costs and extend equipment life, but protect life and personal property. Contact the professionals at Duct Cleaning Specialists to receive a FREE quote to have your air ducts cleaned today! Enhanced Air Quality - 1 out of 6 people suffer from allergies due to fungi and bacteria in air duct systems (Source: Total Health magazine).