GLHN Architects & Engineers, Inc.

GLHN Architects & Engineers, Inc.


Architects and/or Designers and/or PlannersEngineering Services

About Us

GLHN is guided by the principle that our success comes from helping others succeed. The firm’s philosophy on success fosters dedication and long-term client relationships. GLHN has worked for the Department of Veterans Affairs continuously since 1975 and has completed projects at over 120 VA Medical Centers nationwide. GLHN has also worked for nearly two dozen higher educational institutions across the United States and has established itself a leader in the development of campus carbon reduction programs, promoting initiatives to economize building performance and implement the use of alternative energies. GLHN excels at long-range utility master planning, design of central plants and underground utility distribution systems, complex multi-phased renovation projects, medical and laboratory facilities, vehicle maintenance facilities, security and communications systems, and enhanced systems commissioning.

Established in 1963, GLHN Architects & Engineers, Inc. is an employee-owned firm headquartered in Tucson, Arizona with an office Phoenix. The firm offers services in architecture and mechanical, electrical, civil, and technology engineering. GLHN’s staff includes LEED Accredited Professionals in all disciplines (LEED AP), Green Globes Professionals (GGP), Registered Communications Distribution Designers (RCDD), Building Energy Simulation Analysts (BESA), Certified Energy Managers (CEM), Energy Reduction Analysts, Certified Commissioning Agents and Technicians (Cx and CxT, staff Certified in Plumbing Engineering (CIPE), and a Lighting Certified (LC) designer.


  • Energy Audits and Alternative Energy Evaluation
  • Long-Term Physical and Utility Development Planning
  • Facility Condition Assessments for Capital Improvement Planning
  • Enhanced Systems Commissioning
  • Technology Engineering


University of Arizona Environment & Natural Resourses 2 (ENR2)
Northern Arizona University Science & Health Building
Pima County Public Service Center
City of Tucson Patrick K. Hardesty Midtown Multi-Service Center
Tucson Streetcar Maintenance & Storage Facility