• slide
  • slide
  • slide
  • slide
  • slide
  • slide
  • slide

Unparalleled experience in nearly every major market

Backed by a 50-year reputation for exceptional quality, integrity, and on-time delivery, Heritage is the premier choice for new construction or building renovations, plant overhauls, equipment refurbishment, machine replacement, or emergency repairs.

About Us

Two technicians working on custom HVAC equipment

Heritage Mechanical Services is one of the leading commercial HVAC and airside free cooling system contractors in the N.Y. Metropolitan area. 

Learn more.

Achieving Net Zero with the United Way


We helped turn the United Way's Long Island headquarters into a 100% net zero facility. This first of its kind mechanical project will free up vital funds that can be put back towards the United Way's core mission.

Watch the video.

Meet the Team

Jeff Porello bio pictureJeff Porrello, President, leads his team by setting the high standards for providing mechanical solutions aimed at practical results and customer satisfaction.

Meet the rest of our team.


Military person looking at a tablet

EMCOR recognizes the leadership and technical skills military candidates have to offer. Visit our military microsite and see some of the job opportunities available.

Learn more.


Animated image showing 2 contractors shaking hands

Attention SBE/DBE/WBE and MBE Suppliers and Subcontractors:

We are looking to purchase and/or subcontract with qualified small businesses.

Contact Lynn Berndt at 516-558-2010 for more information.


Worker in an orange safety harness

Our superior client care starts with our passion for safety and quality.

Learn more about our program.


Heritage worker accessing the fabricated sheet metal solution for Stony Brook University Hospital’s temporary, emergency COVID-19 center

Built at the height of the COVID-19 pandemic when hospital beds were in critical need, this design-build project had an extremely aggressive schedule. We fabricated and installed all necessary ductwork in only three weeks, working 12-hour days to meet the deadline.

Learn more.

Celebrating 50 Years

HMS 50 yr_360x184.jpg

We are proud to celebrate 50 years in business! In that time, we have earned a reputation for integrity and quality that has made us one of the region's leading providers of end-to-end mechanical and HVAC airside solutions.


Mock-up image of a contractor accepting fraudulent money

If you work for a contractor or subcontractor on a Metropolitan Transportation Authority (MTA) project and you believe that your employer or another contractor or subcontractor on that project is engaged in fraud or any other illegal activity you may report what you know.

Learn how.