Business Details
30 Years
experience
Emergency
services
Trusted HVAC Contractors in Massachusetts & New Hampshire
Founded in 1996, Mechanical Construction Services (MCS) has established itself as a trusted leader in HVAC contracting. Our team brings over 120 years of combined experience in heating, ventilation, and air conditioning systems, serving commercial, industrial, and institutional clients across Massachusetts and New Hampshire. We specialize in design/build projects, preventative maintenance programs, and 24/7 emergency services to ensure operational efficiency and cost savings for our clients. Our commitment to integrity, technical expertise, and customer satisfaction has made us the preferred choice for architects, engineers, and building managers.With EPA-certified technicians, in-house project management, and a focus on energy-efficient solutions, we deliver comprehensive HVAC systems tailored to each client's unique needs. Our preventative maintenance programs reduce downtime while extending equipment lifespan, and our emergency response team ensures uninterrupted operations 365 days a year. Backed by decades of industry experience and a workforce trained in the latest technologies, we guarantee accountability and peace of mind for every project phase.
Services
HVAC Construction
Preventative Maintenance
24-Hour Emergency Service
Design/Build Projects
Energy Management Systems
Commercial Refrigeration
Pharmaceutical Cleanrooms
Sheetmetal Installations
Process Piping
Building Automation
Details
- Year established: 1996
Highlights and features
- We provide 24/7 emergency HVAC service with rapid response times
- Our team has over 120 years of combined HVAC industry experience
- We offer customized preventative maintenance programs to prevent system failures
- All services are performed by EPA-certified technicians with specialized training
- We guarantee accountability through in-house project management and warranties
Associations and certifications
- EPA Certified Technicians
- Licensed Contractor
What people say
Comprehensive service
Preventative maintenance programs
Technical expertise
Reliable service
Cost savings
Services
HVAC Construction
Our HVAC construction services cover complete system design and installation for commercial and industrial facilities. With licensed technicians and certified welders, we handle complex projects from initial planning to final implementation. Our team specializes in pharmaceutical cleanrooms, central cooling plants, and process piping systems that meet strict industry standards.
Preventative Maintenance
Customized preventative maintenance programs help clients avoid costly repairs and downtime. Our computerized maintenance tracking ensures regular inspections and timely servicing of all HVAC components. These programs maintain system efficiency while extending equipment lifespan through scheduled maintenance and performance monitoring.
24-Hour Emergency Service
We provide 24/7 emergency HVAC repair services with radio-dispatched service trucks and on-call technicians. Our rapid response team addresses urgent system failures at any hour to minimize operational disruptions. This service includes after-hours dispatching and immediate troubleshooting for critical climate control issues.
Design/Build Projects
Our design/build approach offers turnkey HVAC solutions from concept to completion. We collaborate directly with clients to create tailored systems that optimize energy efficiency and performance. This service includes project management, equipment selection, and integrated control system implementation for new constructions or major renovations.
Energy Management Systems
We implement advanced energy management systems that optimize HVAC performance while reducing operating costs. Our DDC controls and building automation technologies improve system efficiency through real-time monitoring and intelligent climate control adjustments for commercial facilities.
People
Brian LeMay
Founder/Principal
With over four decades in HVAC and plumbing industries, Brian established MCS more than 25 years ago. He focuses on exceptional service delivery while maintaining ethical business practices and fostering a positive workplace culture.
Michael J. Gervino
Principal/President
Former executive with financial and management expertise, Michael leads MCS while maintaining the company's commitment to service excellence and employee safety standards established since 1996.
Dennis Bruce
Vice President of Service
With 35 years of HVAC experience, Dennis manages service operations and develops maintenance plans. His expertise ensures reliable system performance and effective resolution of complex service challenges.
Nate Durand
Vice President of Construction
Over 15 years in commercial HVAC industry, Nate oversees construction projects from small renovations to large-scale developments. His hands-on experience ensures quality execution of complex mechanical systems.
Michael Eaton Jr.
Project Manager
Certified sheet metal and refrigeration technician with 20 years at MCS. Michael combines technical expertise with military discipline to deliver comprehensive HVAC solutions and customer service.
Questions
What HVAC services do you offer for commercial businesses?
We provide full-service HVAC solutions including system design/build, preventative maintenance, emergency repairs, energy management systems, and specialized installations for commercial and industrial facilities.
Do you offer 24/7 emergency HVAC support?
Yes, we provide 24-hour emergency service with on-call technicians available 365 days a year to address urgent HVAC system failures and maintenance needs.
Which areas do you serve?
We primarily serve Massachusetts and New Hampshire, supporting commercial, industrial, and institutional clients throughout these regions with comprehensive HVAC solutions.
How can preventative maintenance benefit my business?
Our preventative maintenance programs reduce unexpected breakdowns, extend equipment lifespan, and optimize system efficiency, helping businesses avoid costly repairs and operational disruptions.
What makes your company different from other HVAC contractors?
With over 120 years of combined experience, we offer in-house project management, EPA-certified technicians, and customized solutions that ensure reliable system performance and long-term cost savings.
Can you handle large-scale HVAC projects?
Yes, our team manages projects of all sizes from small commercial renovations to major industrial installations, with expertise in pharmaceutical cleanrooms and complex mechanical systems.
