NATIONAL MECHANICAL SERVICES, INC.
Commercial HVAC & Refrigeration
Service, installation, and preventative maintenance for commercial and industrial facilities. Based in Woburn, Massachusetts, serving Greater Boston and surrounding Massachusetts communities.
24-hour service: 781-662-8689 | Office: 781-995-2343
Support for the systems your business relies on
Commercial HVAC
Diagnosis, repairs, and ongoing service for rooftop units, split systems, chillers, and other commercial equipment.
Explore Commercial HVACCommercial Refrigeration
Installation, repair, and maintenance for walk-in coolers, freezers, and commercial refrigeration systems.
Explore Commercial RefrigerationPreventative Maintenance
Maintenance programs planned around your equipment, facility requirements, and operating schedule.
Explore Preventative MaintenanceInstallation & Replacement
Commercial HVAC and refrigeration installations, equipment replacements, and mechanical upgrades.
Explore Installation & ReplacementEXPERIENCE THAT MATTERS
Commercial and industrial systems are our focus
Our work includes HVAC, refrigeration, VRF/VRV systems, and specialty mechanical equipment. Our service team has experience with manufacturers including Mitsubishi, Daikin, Seasons 4, Desert Aire, and Multistack.
View our completed work →
A clear path from first call to next steps
- Tell us about your facility. Share the service address, equipment, and issue or project.
- Discuss the work. We assess the request and coordinate the appropriate next step.
- Plan ongoing support. Ask about maintenance suited to your equipment and operations.
Service areas
Based at 10 Draper Street, Unit 21, Woburn, MA 01801, NMS serves Greater Boston and surrounding Massachusetts communities. Contact our office to confirm coverage for your facility and the type of work required.
Confirm service availability →Common questions
Do you offer emergency service?
Yes. Call 781-662-8689 for 24-hour HVAC and refrigeration service. Call for urgent requests rather than waiting for an online response.
Do you maintain commercial refrigeration equipment?
Yes. NMS provides commercial refrigeration service, installation, and preventative maintenance, including work on coolers and freezers.
How do I request an estimate?
Contact our office at 781-995-2343 or visit our contact page. Include your company, service address, equipment information if known, and a description of the project.
Tell us what your facility needs
For urgent HVAC or refrigeration service, call our 24-hour service line. For scheduled work or a project estimate, contact our office.
