Ductify Fairfax were great! My house was built in 1987 and I am almost sure the HVAC has never been properly cleaned up. Since we just bought the house, we thought it would be easy for Ductify Fairfax to come out and clean. They hooked up their massive machine and brushed every single air duct and cleaned up my dryer vent as well. They were very professional, kept me informed every step of the way and left no mess at all when they were done. I will for sure recommend them!!!