QRG Air Duct Cleaning has become a leading business of duct repair and duct installation in Mitchellville, MD. We have been meeting the expectations of clients since 1998. We have earned an outstanding reputation because of our high class products and services. Nothing is too big or too small for us. We are well equipped to complete all kinds of projects professionally. Extraordinary customer services, free estimates, competitive pricing and genuine products are our hallmarks. Institutes like A+ rating, BBB, 100 sheet metal union and sheet metal worker also certify our services. We make sure to follow NADCA recommended guidelines and comply with OSHA safety standards. We offer trusted products and services for HVAC systems, welding, sheet metal fabrication, architectural sheet, water balancing, vent cleaning, vent inspection and many more. Our technicians are well trained, organized and experienced. You can count on us to get your needs done in style. We have already completed several projects that include but not limited to medical centers, retail outlets, office buildings and residential places.