QRG Air Duct Cleaning has been a one stop shop for all kinds of furnace filter cleaning and ac coil cleaning in Alexandria, VA since last 18 years. We are well equipped with high powered equipment to clean your ducts professionally. We always use and recommend EPA registered products. Moreover, we make sure to follow NADCA standards and guidelines. You can rely on our knowledge and experience to minimize the risk of environmental issues significantly. We are glad to be certified by 100 sheet metal union, sheet metal worker, BBB and A+. We are certified to handle task related to HVAC, roofing, welding, energy management and more. We recommend availing professional assistance for all kinds of repair work and installation in order to save considerable amount of time and money. Nothing is too big or too small for us as we offer wide range of services that include but not limited to vent cleaning, supply cleaning, registers cleaning, organic sanitation, dampers inspection, vents inspection, custom ductwork, mold remediation and others. We provide 100% guarantee for all of our services.