QRG Air Duct Cleaning has been offering state of the art services of dryer vent cleaning and air duct cleaning in Sterling, VA for over 18 years. We are fully bonded, licensed and insured. Moreover, BBB also recognizes our services. Everyone knows about the allergies and other health problems that can spread through poor indoor quality. Dust mites, animal hair and dirt can easily stick inside the duct system and make it the ideal spot for mildew, bacteria and fungus. It is sufficient to clean every heating and cooling system on regular basis. We are proud to offer repair and installation services for ducts. Similarly, lint buildup inside the dryer can cause a fire by contacting with heating mechanism. We offer bird guards to keep the birds away. We offer wide range of services to match the needs of clients perfectly. These services include but not limited to organic sanitation, supply and return lines cleaning, register cleaning, inspection for closed dampers, custom duct works and more. We have gained an excellent reputation in the area. We facilitate our clients by offering exceptional customer services, free of cost estimates and fast response.