municipal lighting consulting

DH Lighting Solutions is a Phoenix, Arizona lighting design and consulting firm led by principal Donald A. Happ. The company provides impartial lighting evaluations, energy-efficiency studies, photometric studies and 3-D rendering, forensic studies and expert witness services, illuminance and luminance measurement, and design of new and renovated facilities. It has over 35 years of experience working with cities and counties in AZ and CA, federal and state agencies, corporations, hospitals and entertainment venues.

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3-D renderingenergy-efficiency studiesexpert witnessforensic studiesilluminance and luminance measurementlighting designlighting educationphotometric studiesplan review