- "I highly recommend Hahn Engineering, Inc.'s LEED Compliance and Commissioning Services." - Tob Trickey, CFO/Member (Hoover Properties)
- "I would highly recommend Hahn Engineering, Inc. for your work on your campus or for your organization. I look forward to my continued working relationship with this firm. Their commitment and dedication to customer satisfaction is matched by only a few A/E firms I have worked with in my 25 years of military and professional service." - Stan Douglas, Director (USF Health Operations and Facilities Management)
- "The workforce from your company was very professional and followed the strict rules set by Hillsborough County School District. All requests made to you were immediately acted upon. Any questions we had were fully answered by you." - Mary Cunningham, Principal (Ballast Point Elementary)
- "I am writing to express my sincere gratitude, as well as that of this firm for all of your efforts on this matter. The success that our clients achieved was due, in no small part, to the outstanding work that you did on their behalf. I am particularly grateful for your assistance in making the complicated seem much more understandable." - Howard O. McGillin, Jr. (Brennan, Manna, & Diamond)
- "Special thanks to Jeff Hahn, Hahn Engineering, for his contributions regarding the intricate and complex wiring details of this unique facility." - D.W. Jones (Airport Fire Chief)
- "I have been able to depend on them to provide rapid response for fee proposals, engineering surveys, design packages, and consultation. Hahn's staff has displayed a teamwork approach on all of our projects." - Keshwar Ramjattan, P.E., Senior Engineer (Pinellas County Real Estate Management)
- "In my thirty nine years of experience in construction management, it is rare to find a consulting firm such as yours that is able to put aside any pre-conceived ideas in regard to a project in order to listen to and fully comprehend the needs of the client. Hahn Engineering truly understands its roles as the Commissioning Agent. By consistently applying the required standards in conjunction with the Owner's requirements, your firm has provided Polk County with the ability to provide both energy and cost savings suggestions that were readily accepted by the construction team. I am truly impressed with the knowledge displayed by your firm's personnel in all aspects of commissioning, not just those that apply to the GBCI certification process." - Mark J. Donald, P.E., Facilities Projects Engineer (Polk County Infrastructure Management Department)
