According to our records, this business is located at P.O. BOX 1321 in Ocean View (in Sussex County), Delaware 19970, the location GPS coordinates are: 38.5451122 (latitude), -75.0890709 (longitude). Harford Mechanical Service is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization president is Paul Clark. Current estimates show that the unit has a sales volume of $44,000 and staff of approximately 1 worker. You can contact the company by phone at (302) 537-0476.