1. DUCTZ of the Upper Bay Region 2501 Derby Dr, Fallston, MD 21047 Coordinate: 39.54589,-76.48848 Phone: (410) 692-9775
2. Comfort Air 2713 Bel Air Rd, Fallston, MD 21047 Coordinate: 39.48516,-76.40022 Phone: (443) 416-2088