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Business Details
34 Years
experience
Expert HVAC Contracting Services in Hudson, NH
Founded in 1992, Highland Mechanical has established itself as a trusted one-stop resource for mechanical contracting projects across New England. Our team of over 30 professionals combines decades of experience with industry-leading certifications to deliver quality workmanship from design to installation and ongoing maintenance. We specialize in HVAC systems, commercial ductwork, and specialized environments like clean rooms and data centers, serving diverse sectors including healthcare, education, and industrial facilities.

Our commitment to safety, integrity, and client satisfaction is reflected in our long-standing partnerships with general contractors and repeat clientele. With a fleet of 20+ trucks and alliances with major suppliers, we ensure timely project completion without brand partiality. Our continuous staff training and participation in apprentice programs underscore our dedication to staying at the forefront of industry advancements while fostering the next generation of skilled professionals.
Services
HVAC Installation Commercial Ductwork Clean Room Systems Data Center Cooling VRF Systems Building Automation Preventive Maintenance System Diagnostics Industrial Ventilation Energy Management
Details
  • Year established: 1992
Highlights and features
  • We bring over 30 years of mechanical contracting experience to every project.
  • Our team holds multiple industry certifications including EPA, OSHA, and NATE.
  • We offer full-service solutions from design to maintenance under one roof.
  • Our 20+ vehicle fleet ensures timely service across New England.
  • We maintain active participation in NH and MA apprentice training programs.
Associations and certifications
  • Mitsubishi Diamond Commercial Contractor
What people say
Extremely competent and knowledgeable Done right the first time Amazingly responsive Commitment to customers Consistently satisfied demanding schedules
Services
HVAC Installation
We design and install complete HVAC systems for commercial and industrial facilities, including rooftop units, VRF systems, and specialized climate control solutions. Our team ensures proper system sizing, energy efficiency, and compliance with all building codes. With Mitsubishi Diamond Commercial Contractor status, we deliver premium heating and cooling solutions tailored to each client's specific needs.
Clean Room Systems
Our clean room HVAC installations maintain strict temperature, humidity, and particulate control for sensitive environments like medical research facilities and semiconductor manufacturing plants. We handle HEPA filtration systems, pressure-controlled environments, and specialized ductwork to meet ISO 14644-1 standards. Our technicians have experience in both new construction and retrofit projects for critical environments.
Data Center Cooling
We implement precision cooling systems for data centers and server rooms to prevent equipment overheating. Our solutions include computer room air handlers (CRAHs), in-row cooling units, and hot/cold aisle containment systems. We specialize in maintaining optimal operating temperatures for IT infrastructure while maximizing energy efficiency in 24/7 operational environments.
Building Automation
Our building automation systems integrate HVAC, lighting, and security controls through centralized management platforms. We program and install direct digital control (DDC) systems that optimize energy usage while maintaining occupant comfort. These systems provide remote monitoring capabilities and detailed performance analytics for commercial facilities of all sizes.
Preventive Maintenance
We offer comprehensive maintenance programs to extend equipment lifespan and prevent unexpected failures. Our technicians perform seasonal system checks, filter replacements, coil cleaning, and performance diagnostics. With our proactive approach, clients experience fewer breakdowns, improved system efficiency, and better indoor air quality across their commercial properties.
People
Bob MacLean
Owner & President
With over 33 years in HVAC, Bob MacLean leads Highland Mechanical as owner and president. He holds multiple certifications including EPA, OSHA, and NATE, and actively works in the field alongside his team.
Sheilagh MacLean
Office & HR Manager
Sheilagh MacLean manages office operations and human resources at Highland Mechanical, ensuring smooth administrative functions and employee support for the growing mechanical contracting company.
Linda Giordano
Office Administrator & Reception
Linda Giordano serves as office administrator and receptionist at Highland Mechanical, providing essential front-office support and client communication for the Hudson-based HVAC contractor.
Mike MacLean
Head of Estimating
Mike MacLean leads estimating operations at Highland Mechanical, bringing precision to project cost calculations and system design consultations for commercial mechanical contracting projects.
Rick Perrault
Project Manager
Rick Perrault manages project execution at Highland Mechanical, coordinating complex HVAC installations and mechanical contracting projects from design phase through completion.
Questions
What HVAC services does Highland Mechanical offer?
We provide full-service HVAC solutions including system design, installation, maintenance, and repair for commercial and industrial clients across New England.
Do you handle specialized mechanical projects?
Yes, we specialize in clean rooms, data centers, sound rooms, and other controlled environments requiring precision HVAC systems and specialized ductwork.
What areas do you serve?
We serve all New England states including Massachusetts, New Hampshire, Maine, Vermont, Connecticut, and Rhode Island from our Hudson, NH headquarters.
Are your technicians certified?
Our team holds multiple industry certifications including EPA, OSHA, NATE, and Mitsubishi Diamond Commercial Contractor status for HVAC excellence.
Can you handle emergency HVAC repairs?
While we don't offer 24/7 emergency services, we prioritize urgent requests during business hours and maintain a responsive approach to client needs.
How long has Highland Mechanical been in business?
Founded in 1992 by Bob MacLean, we've provided mechanical contracting services for over three decades with a consistent focus on quality and customer satisfaction.