Over 40 years of extensive design experience in multi-family residential, commercial, educational, healthcare, industrial and government applications.


Banks, Family Centers, Automotive Repair, Retail Stores, Large Storage Centers

Providing Consulting for Commercial Buildings

We have the extensive knowledge to consult and design for many buildings around Jacksonville and surrounding areas.


Single Family, Multi Family, Condominium, Family - Senior Living Complexes

Electrical Construction Documents

We utilize AutoCAD for our CAD designs as well as LitePro and SKM software for design/modeling. The lighting design and rendering/modeling software packages are used in photometric calculations to ensure adequate illumination is provided.

Health Care

Doctor Offices, Dental Office, Emergency Clinics, Hospital Facilities

Electrical Power, Lighting, Alarm, and Communications

We have been involved with many projects that required designing for energy efficiency, green community compliance, utilization of renewable energy, LEED Certification, and more.

Work Distribution

Mechanical – HVAC AIR Distribution 20%
Electrical – Power Design 98%
Plumbing – Piping / Work System Design 20%
Fire Protection 5%


Clients and customers have come to expect quality and accuracy in the design services that Heyn Engineering provides. They rely on projects being managed in a timely fashion and in a professional manner. Heyn Engineering welcomes the opportunity to demonstrate and prove our firm’s professional expertise.

Our firm’s size and operations enable each project to benefit from personal attention. This ensures proper communications takes place, ensuring key issues are identified and resolved throughout the design and construction phase. Through this effort we strive to bring value to our clients, ensuring excellent services are received.

Bill Heyn

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