Environmental Systems Inc
3410 Gateway Rd
Brookfield, WI 53045
P: (800) 522-0372
F: (888) 280-8837
Environmental Systems’ Inc. (ESI) is a professional services firm providing building efficiency solutions. Our clients seek our expertise in helping them assemble the ideal solution that is aligned with the needs of their businesses. Through thought leadership and innovative services, ESI delivers the desired results our clients require. As a professional services firm focused on lowering the cost of building operations, our name reflects our focus on Efficiency, Sustainability and Intelligence. Leading by example, ESI’s Gateway West Sustainable I office building has been awarded LEED Platinum Existing Buildings: Operations and Maintenance to go along with their LEED Platinum New Construction certification, as well as an Energy Star rating of 99.
The firm provides a wide range of technology and services in the areas of automation, system integration, networking and IT infrastructure, security, life safety, building operations, software applications and mechanical systems. Since 1986, ESI has had a solid reputation for providing our customers with innovative designs and engineering and a comprehensive range of solutions and services that provide them many benefits including:
Serves local, regional and national accounts across North America
ESI personnel receive extensive and continuous education through ESU.
Industry certifications and credentials include:
ESI is a proud member of the following organizations:
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