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50+ Years
experience
Emergency
services
Your Trusted Partner for Plumbing and Mechanical Contracting Solutions
Founded in 1959, Dan-Cel has built a legacy of excellence in mechanical contracting and design-build solutions across New England. Our team of over 80 plumbers and 14 support staff delivers innovative, client-focused services for institutions, corporations, and general contractors. With a 60-year reputation for integrity and technical expertise, we specialize in complex projects spanning life science laboratories, healthcare facilities, and commercial infrastructure.

Our ISN certification underscores our commitment to safety and quality, while our 24/7 emergency services ensure reliability for critical systems. Backed by industry awards and long-term partnerships, we combine cutting-edge technology with time-tested craftsmanship to meet evolving client needs.
Services
Construction Installations HVAC Installation Tenant Fit-Out Projects Facility Maintenance Process Piping Systems Emergency Services Design-Build Solutions Specialty Gas Piping Wastewater Systems Medical Air Piping
Details
  • Year established: 1959
Highlights and features
  • 60+ years of specialized expertise in commercial mechanical contracting
  • ISN Certified for safety and operational excellence
  • 24/7 emergency service with rapid response teams
  • Award-winning project execution in life science and healthcare sectors
  • Proprietary training programs for cutting-edge technology implementation
Associations and certifications
  • ISN Certified
What people say
Most reliable business partners True team player Safety conscious Quality work Proactive problem-solving
Services
Construction Installations
Our construction installation services deliver precision mechanical systems for commercial and industrial projects. With over 60 plumbers and 60 years of experience, we handle complex installations from ground-up projects to tenant fit-outs. Our teams specialize in meeting tight deadlines while maintaining compliance with industry standards for safety and performance.
HVAC Installation
We provide comprehensive HVAC solutions including design, installation, and maintenance of commercial heating and cooling systems. Our expertise ensures optimal air quality and energy efficiency for healthcare facilities, laboratories, and corporate spaces. Systems are engineered for reliability in critical environments requiring 24/7 operation.
Process Piping Systems
Specialized in high-purity piping for life science and semiconductor manufacturing, our process piping division handles corrosive materials and ultra-clean environments. We install systems for acid waste neutralization, medical gas distribution, and RO/DI water purification with strict adherence to ASME BPE standards.
Emergency Services
Available 24 hours a day, our emergency response teams address critical plumbing and mechanical failures. We maintain rapid deployment capabilities across New England for water intrusion, gas leaks, and system failures in healthcare facilities, laboratories, and commercial properties.
Design-Build Solutions
Our design-build approach combines engineering expertise with construction execution for mechanical systems. We manage projects from concept through completion, offering cost certainty and accelerated schedules for new construction and facility renovations in regulated industries.
People
Fred Prezioso
Owner/President
With over 20 years at Dan-Cel, Fred transitioned from Senior Project Manager to company owner in 2016. He has expanded services into design-build solutions while maintaining the core values established by founder Dan Cellucci. His leadership focuses on technological innovation and client partnerships.
Irwin M. Yanowitz
President
Leading Bowdoin Construction for decades, Irwin has collaborated with Dan-Cel on numerous projects. He praises their consistency in quality execution across both small and large-scale developments, emphasizing their reliability as a long-term trade partner in the construction industry.
Mark Giglio
Sr. Project Superintendent
As C.E. Floyd Company's project lead, Mark oversaw Dan-Cel's work at Riverbend School. He commends their professionalism, safety focus, and ability to coordinate with multiple trades during pandemic-era construction challenges while delivering ahead of schedule.
Robert Samarel
Superintendent
Managing the $5M Lowell YMCA renovation, Robert highlights Dan-Cel's communication effectiveness and field execution capabilities. He specifically notes foreman Steve Savage's proactive problem-solving approach and the team's adaptability in complex renovation environments.
Steve Savage
Foreman
Recognized for exceptional field leadership at the Lowell YMCA project, Steve demonstrates Dan-Cel's commitment to hands-on expertise. His approachable nature and technical proficiency ensure seamless coordination between field operations and project management teams.
Questions
What commercial plumbing services do you offer?
We provide full-service mechanical contracting including HVAC, process piping, emergency repairs, and design-build solutions for commercial, healthcare, and life science facilities.
Do you handle emergency plumbing repairs?
Yes, our 24/7 emergency service responds to critical issues across New England, with specialized teams for medical gas systems and industrial piping failures.
Which areas do you serve?
We operate throughout New England, covering Massachusetts, Vermont, Rhode Island, and surrounding regions for both planned projects and emergency services.
Are your technicians certified?
All plumbers undergo continuous training, with specialized certifications for medical gas piping, high-purity systems, and hazardous material handling as required by project specifications.
Can you handle complex laboratory installations?
Yes, we specialize in life science lab systems including acid waste neutralization, medical vacuum systems, and high-purity gas distribution with strict regulatory compliance.
What makes Dan-Cel different from competitors?
Our 60-year legacy combines technical expertise in specialized systems with a partnership approach, maintaining the same integrity and work ethic established by our founder in 1959.