"We are extremely pleased with our partnership with ESC and the services that they offer. The technicians are knowledgeable and always a pleasure to work with. From conception to planning to execution – great communication along the way. I would highly recommend ESC to anyone looking for a partner to handle their Building Technology needs."

Steve P., IT Manager, EDAC Technologies, Cheshire, CT


“The Beinecke Library at Yale University has been an ESC customer for approximately nine years. ESC has a knowledgeable and professional staff, state of the art products and an exemplary training and service program.  They have been a vital partner during several of our construction and renovation projects and their expertise and can-do attitude has made all the difference in our success. We have relied upon them for design, management and installation of access control, video surveillance and fire systems as well as an extensive paging system throughout our building. We’ve been always able to count on them to bring us the finest products out in the field and to guide us to making the best possible choices.   It has been a pleasure to work with this company over the years and I hope to continue this relationship for many years to come..”

Lynn Ieronimo, Head of Security, Beinecke Library Yale University, CT


“For over 40 years, Environmental Systems Corporation has been providing our facility with exceptional service and state of the art technical expertise. From the early days of maintaining our numerous HVAC systems to their current management of our building automation systems, their technicians are highly skilled in the latest technologies and have been our “go to” resource through numerous system upgrades.”

Kevin Keenan, General ManagerWestfarms Mall, CT


“It is always nice working with people that are willing to solve the problem to get the job done. I have had nothing but good comments from my employees on how your guys worked.”

Anthony Piazza, Superintendent, Simsbury Water Treatment Plant, CT


"ESC has been our go to shop for several projects.  Whether the project is small or large, immediate or future, we get the same attention.  You have a great team."

Matthew Glaser, Director of IT, Canterbury School, New Milford, CT


“You should be proud of the team you have. I am.”

Brian K. Naef, Project Manager, Ahearn Holtzman, CT


“ESC offered a turn-key project ready to go. Their staff is professional, courteous and prompt. They provided regular updates and I was able to discuss any issues that arose resulting in satisfactory resolution. Also notable, the installers were neat during project installation.”

Chris Bibeau, Plant Operations & Site Manager, Windham Hostpital, CT 


“We are pleased to announce our satisfaction with the service and professionalism offered to us by ESC.”

Paul Brax, Facilities Manager, Seconn Fabrication, CT


“The overall installation was smooth and seamless. The installers were neat, clean, organized and extremely helpful with anything we needed. ESC's Sales Manager and Project Manager kept me updated regularly as the project progressed.”

Joe Tourville, Facilities Manager, Connecticut Spring & Stamping, CT