Established in 1974, ESI is a Full-Service Mechanical & Engineering firm specializing in HVAC Systems and Service.

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June is National Safety Month!
ESI Upgrades HVAC systems, controls and re-commissions 40,000 sq.ft. Lexington Lab and Office Space
ESI to Exhibit at Northeast Buildings and Facilities Trade Show
ESI Engineer LEED Certified

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In ESI's first 35 years, our firm completed more than 10,000 commercial projects, including corporate office buildings, warehouse, distribution facilities, advanced technology - Clean rooms, Bio/Pharma Labs/Suites, Data Centers and Semiconductor/Electronics facilities.

ESI is one of the few mechanical firms to have developed the specialized expertise required in today's modern facilities and "greener", more energy efficient buildings and systems.

Typically, we work with clients from the outset of a project's conceptual phase, designing systems that meet both program and budget criteria. ESI offers customers a full range of services including Preconstruction/Construction , In-House Engineering/LEED Certification, HVAC Controls Department, Sheet Metal Fabrication Shop/cGMP Protocols, Start-Up/Commissioning Department, Service Department - Ongoing Maintenance/24 hour Coverage.


Custom Lab & Fume Hood Fabrication - View Gallery
Steel Skid Fabrication - View Gallery

U.S. Chamber of Commerce Member 2010
Association of Building Contractors
Copyright © 2010 Environmental Systems, Inc. | 6 Howard Ireland Drive - Attleboro, MA | Tel: 508.226.6006
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