Business Details
45 Years
experience
Emergency
services
Trusted HVAC Solutions for Commercial & Industrial Spaces
Founded in 1981, Sullivan Mechanical Services has remained committed to delivering superior HVAC solutions while fostering lasting customer relationships. Our expertise spans commercial, industrial, and cleanroom environments, with in-house engineering capabilities for design-build projects. We specialize in precise temperature and humidity control systems for research, pharmaceutical, and manufacturing facilities. Our team prioritizes energy efficiency, system longevity, and minimal downtime through tailored maintenance programs. With decades of experience serving Boston and surrounding areas, we combine technical expertise with operational flexibility, including 24/7 emergency support.Our crane-equipped fleet enables efficient equipment installation with minimal disruption to client operations. We serve as a trusted mechanical partner for industries requiring mission-critical HVAC systems, maintaining strict compliance with safety and performance standards. Our track record includes high-profile projects for global corporations and specialized cleanroom environments. Through continuous innovation and client collaboration, we deliver HVAC solutions that balance immediate needs with long-term sustainability. This commitment to excellence has established us as a leading mechanical service provider in the Northeast region.
Services
HVAC Services
Commercial HVAC
Industrial HVAC
Cleanroom Systems
Design-Build Projects
Emergency Repairs
Maintenance Programs
Air Handler Upgrades
Temperature Control
Humidity Regulation
Details
- Year established: 1981
Highlights and features
- 40+ years of specialized HVAC experience in critical environments
- In-house engineering for customized design-build solutions
- 24/7 emergency service with crane-equipped fleet
- Proven expertise in pharmaceutical and cleanroom HVAC systems
- Energy-efficient systems with lifecycle cost optimization
Services
HVAC Services
Comprehensive HVAC solutions for commercial and industrial facilities. Our systems maintain precise temperature and humidity parameters in critical environments. We handle installations, repairs, and maintenance for systems up to 180,000 CFM capacity, ensuring optimal performance and regulatory compliance.
Cleanroom Systems
Specialized HVAC systems for ISO-certified cleanrooms. We design and maintain temperature-controlled spaces with humidity regulation up to 60% RH. Our solutions include pharmaceutical fill suites, photolithography labs, and medical device manufacturing facilities requiring class 100 to 10,000 cleanroom standards.
Design-Build Projects
Turnkey HVAC system development from concept to completion. Our in-house engineers collaborate with clients to create energy-efficient systems that meet current needs while allowing future scalability. This includes RTU replacement programs and high-performance air handler installations with minimal operational disruption.
Emergency Repairs
Around-the-clock HVAC emergency response with crane-equipped service vehicles. We prioritize rapid restoration of critical systems in commercial and industrial settings, minimizing downtime through pre-planned response protocols and immediate parts availability for common equipment models.
Maintenance Programs
Customized maintenance plans that combine predictive analytics with hands-on inspections. Our technicians perform quarterly system checks, filter replacements, and efficiency audits to prevent unexpected failures. Clients receive detailed performance reports and lifecycle cost projections for long-term budget planning.
Questions
What industries do you specialize in?
We focus on commercial buildings, industrial facilities, and cleanrooms for pharmaceutical, biotech, and manufacturing clients requiring precise environmental controls.
Do you offer emergency HVAC services?
Yes, our 24/7 emergency response team provides rapid support with crane-equipped vehicles for urgent equipment repairs or replacements.
Can you handle large-scale HVAC projects?
We specialize in complex systems up to 180,000 CFM capacity, including design-build solutions for new construction and major renovations.
What maintenance programs do you offer?
Our customized programs include predictive maintenance, system audits, and energy efficiency optimization to minimize downtime and extend equipment life.
How do you handle cleanroom HVAC requirements?
We design and maintain ISO-certified cleanroom systems with strict temperature (±1°F) and humidity (±5% RH) controls for critical manufacturing environments.
