According to our records, this business is located at 22 Carriage Rd. in Roslyn (in Nassau County), New York 11576, the location GPS coordinates are: 40.765988 (latitude), -73.667343 (longitude). Engineering P C Hahn is categorized under HVAC Engineering (SIC code 8711). Known organization president is Moon Hahn. You can contact the company by phone at (516) 741-1579.