Uncompromising Quality
Our Legacy
For 37 years, our reputation has been built on a simple but unyielding premise: uncompromising quality and a drive to do what’s right.
We have evolved from a regional service provider into a premier commercial HVAC partner. In high-stakes environments, we understand that every minute of uptime counts, and every detail amounts to your bottom line. By blending decades of proven expertise with a forward-looking approach to energy efficiency, we ensure your facility is built to stand the test of time.
By The Numbers
1988
Year Founded
50+
Dedicated Team Members
$300M+
Annual Revenue
24/7
Emergency Services
The AMS Standard:
Powered by Local 537
A company is only as capable as the people on the floor, and we bring the absolute best to your door. The backbone of AMS is our highly skilled, dedicated workforce. As a proud signatory to Pipefitters Union Local 537, we deploy elite personnel who set the industry standard for safety, craftsmanship, and technical precision.
Our technicians are fully licensed in the State of Massachusetts, holding specialized Refrigeration and Oil Burner certifications. Whether executing a complex system retrofit or diagnosing a mission-critical failure, our leadership and field teams possess the deep industry knowledge to solve problems on the spot, ensuring your systems never stall, and your facility stands tall.
Comprehensive Project Delivery
Executive leadership requires streamlined accountability.
We eliminate the friction of multi-vendor management by acting as your single-source contractor for HVAC, piping, and plumbing. Furthermore, through our strategic alliance with AIS Dover, we integrate seamless electrical contracting into our project scope.
From preventative maintenance to massive installations, we align the mechanical and electrical phases of your project perfectly. When the pressure is high and the demands are grand, we are the partner that delivers exactly what you planned.
Safety First – Upholding the Highest Standards
At AMS, we recognize that operational excellence begins with uncompromising safety.
We maintain all required state and federal HVAC certifications and strictly adhere to OSHA requirements across every commercial job site. Through rigorous technician training, routine toolbox talks, and the elite safety standards of Pipefitters Union Local 537, we foster a culture where risk mitigation is proactive rather than reactive. With the implementation of our advanced 2026 safety program, we are reinforcing our commitment to protecting our workforce, securing your facility, and safeguarding your capital investments.
Our Culture
Shared Expertise and Growth
Our internal culture is the engine that drives our industry leadership. We operate in a highly unified environment where our teams share critical insights to ensure seamless project execution and mutual success. We place a premium on the advancement of our personnel—empowering our Local 537 workforce through rigorous continuing education and performance management. AMS is also deeply committed to corporate responsibility, encouraging our teams to support local charitable organizations. At our core, we champion a culture that demands teamwork, rewards forward-thinking solutions, and sets the standard for HVAC excellence.
Dan LeBlanc
Vice President
“What drives our operations at AMS is the impact of the facilities we protect. We aren’t just maintaining mechanical systems; we are architecting the reliability that allows cutting-edge research labs, mission-critical data centers, and higher education institutions to function without interruption. I take immense pride in our team from Local 537. Their uncompromising dedication to safety and quality ensures that we don’t just meet the expectations of our clients, we set the industry standard for operational continuity.”
Take the Next Step with AMS
In high-stakes environments, there is no room for ordinary results. We are committed to upholding the highest standards of mechanical reliability across Eastern Massachusetts. Partner with our decades of proven performance to protect your capital investments and make your next major project a definitive success.