A leader in the industry since 1979

With offices in White Bear Lake and Duluth, Minnesota, Hallberg Engineering (HEI) offers a full range of services to satisfy all of your mechanical, electrical and technology systems design and operations needs. Our process includes thorough, efficient coordination with a building owner's staff and design team, project consultants and architectural and interior design firms. Our services include: mechanical, electrical and technology design services; commissioning, recommissioning and retro-commissioning; energy modeling and property condition assessments. 

HEI is a Certified Minority-Owned Business Enterprise (MBE) and a Disadvantaged Business Enterprise (DBE).