Warren G. Hahn, P.E.
CEO
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PROFESSIONAL EXPERIENCE:

Warren G. Hahn has over 44 years experience in the engineering field. Projects include various size and types of mechanical/electrical design; engineering for office, hospital, educational buildings, industrial plants, mercantile and government - new, renovated and upgraded buildings. Warren has completed engineering and design on all types and sizes of mechanical, building power and electrical systems. Authored several articles and is a national lecture on mechanical systems and controls. Engineered and designed hundreds of fire alarm and DDC/EMS systems. Mr. Hahn has designed the control system for chilled water plants of 1,000+ tons and designed the ice storage systems for West Coast Florida School Systems. He designed the control system and mechanical modifications for industrial steam systems for paper production plants and for high temperature hot water distribution systems. Electrical has designed 4,500 kw manufacturing plants, 3,000 kw offices and 2,500 kw standby generator systems.

Michael J. Hahn, P.E.
President
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PROFESSIONAL EXPERIENCE:

Michael J. Hahn has over 31 years experience in the mechanical engineering field, is a licensed Energy Auditor, has served as a Technology awards judge for ASHRAE on the national level, and has served as a graduate research/teaching assistant at Georgia Tech.

Project experience includes mechanical engineering and design of HVAC, controls, plumbing, and fire protection systems in new or renovated building projects, both public and private. He has extensive involvement in chilled water, ice storage, VAV, laboratory ventilation, heat pump, and split systems for education facilities, office buildings, recreational facilities, small and large commercial facilities, residential, medical, and military facilities. Mr. Hahn has also served as Commissioning Agent for various projects. He is also involved in the construction administration, cost estimating, bidding and negotiation of these projects.

Jeffrey J. Hahn, P.E.
Vice President
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PROFESSIONAL EXPERIENCE:

Jeffrey J. Hahn has over 17 years experience in the electrical engineering field, and he is a project manager with extensive experience on a multitude of project designs ranging from small renovations to large new construction and inspector supervision of multi-million dollar projects. Design projects completed by Mr. Hahn include recreational and educational facilities, a mix of small and large commercial and retail facilities, grocery stores, marinas, light industrial, large residential, office space, and surgical centers.

At Hahn Engineering, he is responsible for electrical engineering and design of power, emergency power, uninterruptible power supplies (UPS), lighting, data, telephone, fire alarm, public address/intercom, security, access control, and lighting protection systems. He is involved in the construction administration, cost estimating, bidding, and negotiation of projects. Additionally, he performs short circuit, protective device coordination and arc flash studies for medical projects and facilities with sensitive electronic equipment. 

Charles J. Hahn, P.E.
Vice President Operations
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PROFESSIONAL EXPERIENCE:

Charles J. Hahn has extensive experience in computer aided and manual drafting. His experience includes all release of AutoCAD through 2009 including AutoCAD MEP 2009, Revit MEP 2009, and many 3rd party add-on applications. He is competent in mechanical, electrical, and plumbing drafting. Charles has completed several computer design workshops and is responsible for the graphic and electronic media production at Hahn Engineering.

As an experienced plumbing designer, he has participated in multiple plumbing design workshops and has designed several plumbing systems for laboratories, schools, apartment/condominiums and luxury homes, banks, military facilities, post offices, churches, and retail/shopping centers.

Charles is in charge of the IT department and is responsible for all financial affairs at Hahn Engineering. 

Stephen J. Morris, P.E.
Mechanical Engineer
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PROFESSIONAL EXPERIENCE:

Stephen J. Morris has been a part of the Hahn Engineering team for over 6 years. Joe's responsibilities include project management, heat load calculations, and sizing of air conditioning equipment of all types and sizes and plumbing design. Project experience includes design of both new and renovated construction for government facilities, correctional institutions, office buildings, educational facilities, recreational facilities, surgery centers, and retail outlets.