Commercial HVAC Solutions

Hamel & McAlister, Inc. specializes in delivering top-tier commercial and industrial mechanical contracting services across the Greater Boston Area. As a proud member of the Local 537 Pipefitter’s Union, our commitment to quality and professionalism is unwavering, ensuring exceptional service in heating, ventilation, and air conditioning for our clients.

commercial mechanical hvac solutions
Preventative Maintenance Programs

Offering comprehensive preventative maintenance programs designed to ensure the longevity and performance of mechanical systems.

Design Build Capabilities

We possess robust design-build capabilities, enabling our team members to expertly manage projects from conception to completion.

NEBB Certified Pros

As a NEBB Certified professionals, we specialize in air and water balancing ensuring optimal system performance.

Special Projects Division

We have a dedicated division, expertly designed to handle unique and complex assignments and delivering tailored solutions.

serving the greater Boston Massachusetts area

Hamel & McAlister, Inc. offers a dedicated 24-hour emergency service, ensuring swift and reliable assistance for any urgent mechanical contracting needs. Our team of experienced professionals is readily available around the clock to address critical issues in heating, ventilation, and air conditioning. Clients can rest assured that, even in unexpected situations, our prompt and efficient service will minimize downtime and restore functionality promptly.


Unparalleled commercial mechanical contracting, combining cutting-edge technology with unmatched expertise.

    Premier Mechanical Contractors and Engineers
    We specialize in designing, installing, and maintaining various mechanical systems. We pride ourselves by providing our customers with excellent service, integrity, and professionalism.


    215 Middlesex Turnpike
    Burlington, MA 01803


    +1 (781) 272-0100