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49 Years
experience
Emergency
services
Your Trusted HVAC & Construction Partner in Tonawanda, NY
MJ Mechanical has prioritized customer satisfaction for over four decades, evolving into a leader in design build processes, value engineering, and preventative maintenance. Our team of highly trained professionals brings extensive experience in complex mechanical systems and historic renovations across industrial, healthcare, and multi-unit residential markets. Since 1977, we have expanded our expertise through strategic partnerships like Comfort Systems USA and the acquisition of N.E. Mechanical, enhancing our capabilities in service, controls, and fabrication. Our NEBB-certified balancing department ensures systems operate at peak efficiency, while our technical solutions group specializes in building automation and control systems. With a focus on innovation, we deliver process skid solutions for industries requiring precision HVAC applications, including clean rooms and medical gas installations.

Our commitment to quality is reflected in rigorous quality control measures and system commissioning that guarantee adherence to design specifications. Operating 24/7, we provide emergency services and flexible maintenance agreements tailored to commercial and industrial needs. Backed by certifications from organizations like NEBB and partnerships with leading manufacturers, we maintain technical proficiency across all major HVAC equipment. Our regional presence spans Western New York, including Buffalo, Rochester, and Olean, with additional service areas in Northwestern Pennsylvania. This combination of local expertise and national resources positions us as a trusted single-source contractor for comprehensive mechanical solutions.
Services
HVAC Services Building Automation Sheet Metal Fabrication Clean Room Installation Process Skids
Details
  • Year established: 1977
Highlights and features
  • 45+ years of specialized HVAC experience since 1977
  • NEBB-certified balancing and commissioning services
  • 24/7 emergency service availability
  • Partnerships with major HVAC equipment manufacturers
  • Process skid fabrication for specialized industries
Associations and certifications
  • National Environmental Balancing Bureau (NEBB)
Services
HVAC Services
Comprehensive HVAC solutions for commercial and industrial clients, including design, installation, maintenance, and emergency repairs. Our NEBB-certified technicians ensure optimal system performance through precise balancing and commissioning. Serving Western New York with 24/7 emergency response capabilities.
Process Skids
Custom-engineered process skids for specialized industries, including clean rooms, desiccant facilities, and chemical processing plants. Our modular approach reduces timelines by enabling offsite fabrication while maintaining ASME standards and quality control.
Building Automation
Advanced building automation systems integrating HVAC, temperature controls, and energy management. Our Technical Solutions Group provides design, installation, and maintenance of control systems for new construction and facility retrofits.
Sheet Metal Fabrication
Precision sheet metal fabrication for HVAC ductwork and industrial applications. Our in-house facility produces custom components meeting strict quality standards for commercial and industrial installations.
Preventive Maintenance
Flexible preventive maintenance programs for HVAC systems, including scheduled inspections and emergency repair services. Our trained technicians use modern diagnostic tools to ensure system efficiency and longevity.
People
Dan Fetes
President
Leading MJ Mechanical's strategic direction with decades of industry experience, Dan oversees operations and growth initiatives while maintaining commitment to quality standards.
Nancy Pohlman
Vice President
Managing key business functions and client relationships, Nancy brings extensive management expertise to support MJ Mechanical's service excellence and operational efficiency.
Mike Poole
Former Leader
Honored posthumously for his contributions to MJ Mechanical's growth, Mike played pivotal roles in expanding service capabilities and technical expertise until his passing in 2020.
Questions
What HVAC services do you offer for commercial clients?
We provide full-service HVAC solutions including design, installation, maintenance, emergency repairs, and NEBB-certified system commissioning for commercial and industrial facilities.
Do you provide 24/7 emergency HVAC services?
Yes, our commercial service department operates 24 hours a day, 7 days a week for emergency repairs and maintenance.
What areas do you serve?
We primarily serve Western New York including Buffalo, Rochester, and Olean, with additional service coverage in parts of Northwestern Pennsylvania.
Are your technicians certified?
Yes, our technicians are NEBB-certified through the National Environmental Balancing Bureau and participate in ongoing training programs for HVAC systems.
What is process skid fabrication?
Process skid fabrication involves creating self-contained HVAC systems offsite that integrate into larger industrial processes, reducing installation time and improving quality control.
Do you handle large-scale construction projects?
Yes, we manage all phases of construction projects from design through commissioning, including mechanical design-build and system integration for commercial facilities.