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Environmental Systems, Inc.

Environmental Systems, Inc. (ESI) is a premier full-service Mechanical Contractor & Engineering firm specializing in design, installation, and service of all heating, ventilation, and air conditioning systems.

In our 45 years in the industry, we have completed design and installation of HVAC systems for more than 10,000 commercial projects, more than 2.5 million square feet of laboratories and clean rooms, more than 70 MRI facilities, plus projects for many of the colleges and universities in our region.
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Purpose

Environmental Systems, Inc. (ESI) is a premier Mechanical Contractor serving the commercial and industrial markets in the Massachusetts, Rhode Island, New Hampshire, Maine, Connecticut, and New York marketplace.... Read more

Vision

Our vision is to be recognized as New England’s premier heating, ventilation and air conditioning (HVAC) company with an active and growing presence throughout the Northeast. Every member of our firm – from engineer to technician, administrator to senior management – is committed to client satisfaction. It is a commitment that we demonstrate daily, in every department and on every job site.... Read more

Mission

Our mission as a heating, ventilation and air conditioning (HVAC) company is to develop a highly successful, profitable, and premier HVAC business that provides industry-leading services throughout the Northeast - by creating an ideal standard in the HVAC business. Environmental Systems, Inc. (ESI) is a premier Mechanical Contractor serving the commercial and industrial markets in the Massachusetts, Rhode Island, New Hampshire, Maine, Connecticut, and New York marketplace. Every member of our firm – from engineer to technician, administrator to senior management – is committed to client satisfaction. It is a commitment that we demonstrate daily, in every department and on every job site.... Read more

Additional Culture Details

Environmental Systems, Inc. (ESI) is a premier mechanical contractor & engineering firm headquartered in Attleboro, Massachusetts, with offices in Nashua, New Hampshire, and Warwick, Rhode Island. ESI offers full mechanical services from pre-construction through service and maintenance on all types of HVAC systems throughout New England. In our 45 years in the industry, we have completed design and installation of HVAC systems for more than 10,000 commercial projects, more than 2.5 million square feet of laboratories and clean rooms, and more than 70 MRI facilities, plus projects for many of the colleges and universities in our region.... Read more

Values

Teamwork, Safety & Integrity
Here at ESI, we believe safety must be at the forefront of all our decision making as it will empower our individual strengths and corporate actions to enhance or teamwork capabilities.

Headquarters

Attleboro, MA

Employees

310 US Employees

Industry

Heating, Ventilation, Air Conditioning, & Refrigeration

Recent Awards

  • 2024

  • 2021

  • 2020

  • 2019

Company Snapshots

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