Business Details
50+ Years
experience
Emergency
services
Your Trusted Partner for HVAC & Mechanical Solutions
J C Cannistraro, established in 1963, is Boston's largest mechanical construction firm specializing in HVAC, plumbing, and fire protection solutions. With over 56 years of experience, we combine cutting-edge technology and in-house fabrication capabilities to deliver streamlined mechanical construction and maintenance services. Our family-owned business prioritizes safety, collaboration, and continuous improvement, offering 24-hour emergency repairs with a guaranteed two-hour technician response time. We serve diverse industries including healthcare, education, and life sciences, leveraging a 150,000 sq. ft. fabrication facility to ensure quality control and project efficiency. Our team of 1,000+ employees is committed to empowering clients through innovative design-build solutions and proactive maintenance programs.We uphold core values of integrity, compassion, and commitment while maintaining a culture of safety and accountability across all projects. Recognized as a top workplace by The Boston Globe and a leader in ENR Magazine's Top 50 Mechanical Contractors, we provide comprehensive services from preconstruction planning to special hazards fire suppression systems. Our technology-driven approach includes 3D laser scanning and virtual design to minimize delays and errors. With offices in Massachusetts and Connecticut, we serve commercial, institutional, and industrial clients throughout the Northeast. Backed by ISO-certified processes and partnerships with industry leaders like FireDos, we ensure reliable infrastructure for mission-critical facilities.
Services
HVAC Systems
Plumbing Services
Fire Protection
Design Solutions
Preconstruction Services
Special Hazards
Modular Construction
3D Laser Scanning
Facility Maintenance
Emergency Repairs
Details
- Year established: 1963
Highlights and features
- We offer 56+ years of specialized mechanical construction expertise
- Our 24-hour emergency service guarantees two-hour technician response times
- We operate a 150,000 sq. ft. in-house fabrication facility for quality control
- Our safety program includes daily job site monitoring and wellness support
- We maintain ISO-certified fire protection and special hazards systems
What people say
24-hour emergency repairs
Professional technicians
Efficient problem-solving
Guaranteed response time
Reliable maintenance
Services
HVAC Systems
J C Cannistraro provides comprehensive HVAC solutions including system design, fabrication, installation, and maintenance. Our dedicated fabrication facility handles both pipe and sheet metal work for commercial applications. We specialize in energy-efficient systems that balance cost-effectiveness with optimal performance while ensuring compliance with all safety standards.
Fire Protection Systems
We design, fabricate, and maintain commercial fire protection systems including custom sprinkler solutions and special hazards suppression. Our services cover deluge systems, foam systems, and FireDos proportioners for critical facilities. We ensure code compliance through regular maintenance and modernization programs.
Plumbing Services
From complete system installations to emergency repairs, our plumbing services combine 56+ years of experience with modern techniques. We offer preventative maintenance plans to protect infrastructure and 24/7 emergency response for critical issues, serving multifamily, healthcare, and commercial clients.
Special Hazards
Our special hazards division handles waterless fire suppression systems including clean agent, inert gas, and dry chemical systems. We engineer solutions that protect sensitive environments from both fire and water damage while maintaining operational continuity through self-performing fabrication and installation.
Design Solutions
We integrate virtual design and 3D laser scanning technology to visualize projects before implementation. Our preconstruction services clarify scope and timelines while modular construction techniques improve efficiency. This approach minimizes errors and streamlines project coordination for mechanical systems.
Questions
What mechanical services does J C Cannistraro offer?
We provide complete HVAC, plumbing, and fire protection services including design-build projects, emergency repairs, and preventative maintenance for commercial and industrial clients.
Do you offer 24/7 emergency service?
Yes, our 24-hour emergency service guarantees technician response within two hours for critical HVAC, plumbing, and fire protection issues.
What areas do you serve?
We serve Massachusetts, Connecticut, and surrounding regions with offices in Waltham, Boston, Worcester, and Plainfield.
Are you a family-owned business?
Yes, J C Cannistraro remains family-owned since our founding in 1963 by John J C Cannistraro, Sr.
What industries do you specialize in?
We serve healthcare, life sciences, education, municipal, and multifamily housing sectors with specialized mechanical solutions.
Do you handle large-scale projects?
With 1,000+ employees and a 150,000 sq. ft. fabrication facility, we manage projects of all sizes from small repairs to major construction.
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Reviews (2)
ChasingLeaks Ceo
Jan 01, 2021
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Positive:Professionalism,Punctuality,Quality,Responsiveness,Value
In my 14 years of plumbing. The ownership down to each employee A+++. You wont find a better environment to work for or do business with. The best in New England by far.
In my 14 years of plumbing. The ownership down to each employee A+++. You wont find a better environment to work for or do business with. The best in New England by far.
Curtis Webster
Jul 09, 2017
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Just terrible. I have never reported anyone to HR in my life, and never thought I would have to, but what was going on was so over the top I had to. Never again thats for sure.
