Sustainable Engineering Group (SEG) is an energy conservation consulting firm composed of professionals with substantial hands-on engineering experience as well as proven research expertise. We are dedicated to providing our clients with innovative and cost-effective energy efficiency solutions. SEG provides a range of services such as geothermal design, new and existing building commissioning, energy modeling, LEED consulting, measurement and verification, feasibility studies, and energy planning (including net-zero energy buildings). Our clients include hospitals, school districts, airports, universities, data centers, municipalities, and federal and state agencies. SEG’s research team has performed advanced technology evaluation, market assessment, energy simulation studies, and technical design guide development for clients such as the U.S. Department of Energy (DOE), Wisconsin Focus on Energy, the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), and the Minnesota Department of Commerce.