Cox Engineering

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Cox Engineering HVAC innovators in the Greater Boston area. The company’s strength lies in its ability to attract and retain HVAC talent.

Founded in 1914 and headquartered in Randolph, Massachusetts, Cox Engineering is a third-generation family-owned manufacturer of large custom air handling units, HVAC piping and sheet metal ductwork. A mechanical construction leader in the Greater Boston area, Cox Engineering serves a wide range of sectors including, hospitals, life science companies, universities, restaurants and the hospitality industry. These dedicated teams find innovative ways to design, build, retrofit and service the HVAC infrastructure at the heart of a building so that it runs safely, efficiently and smoothly.

Sometimes it really is piece by piece to bring these big projects to life!Swipe through for the install of air handling ...
10/05/2026

Sometimes it really is piece by piece to bring these big projects to life!
Swipe through for the install of air handling units courtesy of Cambridgeport at our Eliot House site. Delivered knocked down and built back up by our awesome team out there💪

09/30/2026

I would LOVE to know what Tim is welding 🧐

Exhaust and Supply Fan replacement! Another project successfully moving forward! Hats off to our local 17 team for putti...
09/29/2026

Exhaust and Supply Fan replacement!
Another project successfully moving forward! Hats off to our local 17 team for putting in the work from start to finish including pull testing, deliveries, shutdowns, demolition, and installation and a big shoutout to Cox’s 537 Technicians for getting the units up and running with a smooth startup.
Great teamwork, coordination and craftsmanship from everyone involved!

How this week has felt😵‍💫🔥ALMOST FRIDAY!!!
09/24/2026

How this week has felt😵‍💫🔥ALMOST FRIDAY!!!

In honor of football season being in full swing, we’re throwing it back to 2001, when Cox Engineering helped bring Gille...
09/23/2026

In honor of football season being in full swing, we’re throwing it back to 2001, when Cox Engineering helped bring Gillette Stadium to life!

For Ryan “Ike” Eisenhauer , this project means a little more. His passion for construction started right here, walking the jobsite with his dad, who worked for Cox and spent two years helping build the stadium.

What was once a job site would go on to become the home of some legendary moments in NFL history and more than 25 years later, it’s pretty special to look back and know Cox Engineering played a part in building it.

Some projects build more than structures they inspire the next generation.

09/15/2026

Do you work in the plumbing industry and feel it might be time for a career change? Come join our team and work for a company with great people, great culture, great opportunities and a team that actually enjoys coming to work!
Apply today using the link in our bio or email [email protected]

Today, we remember the lives lost, the families forever changed, and the heroes who answered the call on September 11, 2...
09/11/2026

Today, we remember the lives lost, the families forever changed, and the heroes who answered the call on September 11, 2001. 

As members of the construction industry, we also pause to recognize the thousands of construction workers and tradespeople who made their way to Ground Zero in the days and months that followed.

Ironworkers, operating engineers, electricians, laborers, carpenters, pipefitters, truck drivers and countless other trades worked “The Pile” alongside firefighters, police officers and first responders cutting steel, moving debris, searching for survivors and helping recover those who were lost.

They brought the skills they used every day on jobsites and turned them into tools for rescue, recovery, and rebuilding. Many worked around the clock, putting their own safety aside to help complete strangers.

It remains one of the most powerful examples of what the trades represent: strength, sacrifice, brotherhood and showing up when you are needed most.

25 years later, we remember them all.

The lives lost.

The first responders.

The construction workers and tradespeople.

The families who carried the unimaginable.

September 11, 2001. Never Forget

In the right eyes you will always be art👀
09/10/2026

In the right eyes you will always be art👀

Address

21 Pacella Park Drive
Randolph, MA
02368

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