Gatter & Diehl
Together. Shaping The Future.
About the firm
Gatter & Diehl is a mechanical and electrical engineering firm founded in 1946 in Harrisburg, Pennsylvania, celebrating 80 years of service in 2026. Headquartered in Mechanicsburg, PA with a second office in Bedford, PA, the firm provides planning, engineering, analysis, construction management, and commissioning services to healthcare, senior living, educational, and high-end commercial clients across 20 licensed states. The firm has completed over 5,000 projects and holds 30 USGBC LEED certifications.
- Established
- 1946
- Team
- Small
- Firm type
- MEP
People
Jeff CristPresident
Rich KreigerVice President
Capabilities
Pre-Construction Planning
Service websiteMaster planning and facility systems assessments of existing conditions to prepare clients for future facility expansion or campus-wide needs of any scale.
Mechanical Engineering
Service websiteDesign of HVAC, plumbing, and fire protection systems for healthcare, senior living, educational, and high-end commercial facilities. Tools include Building Information Modeling (BIM), Total Building Energy Modeling, IGSHPA Geothermal Software, Solar Analysis Software, and Combined Cooling, Heating & Power (CCHP/CHP) Software.
- HVAC Design
- Plumbing Design
- Fire Protection Design
- Geothermal Systems
- Solar Analysis
- Combined Cooling, Heating & Power (CCHP/CHP)
Electrical Engineering
Service websiteDesign of power systems, lighting, data, voice, and video systems for healthcare, senior living, educational, and high-end commercial facilities.
- Power Systems Design
- Lighting Design
- Data, Voice & Video Systems
Project Management
Service websiteComplex project management from planning through estimating, design, bidding, award, and occupancy. Experience with projects exceeding $20 million and 100,000 sq. ft.
Construction Services
Service websiteConstruction administration and management services including commissioning.
- Commissioning
Industries
Healthcare · Senior Living · Education · Commercial
Projects
No projects listed yet.