Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Trenton, NJ
Mack Industries has been a trusted mechanical contracting partner since 1962, delivering tailored solutions for commercial, institutional, and industrial clients. Our expertise spans boiler and HVAC systems installation, maintenance, and emergency service, supported by a team of factory-authorized professionals with decades of collective experience. We prioritize customer satisfaction through 24/7 service availability, ASME-certified welding capabilities, and a comprehensive wholesale parts store to meet urgent operational needs. Our commitment to quality is demonstrated through long-term client relationships and a focus on innovative, code-compliant mechanical solutions. 
Services
Boiler Maintenance
HVAC Installation
ASME Welding
Burner Services
Chiller Removal
Preventative Maintenance
Refractory Repair
Gas Piping
Temperature Controls
Boiler Cleaning
Details
- Year established: 1962
Highlights and features
- We provide 24/7 emergency HVAC and boiler services
- Our technicians are factory-authorized HVAC and combustion specialists
- 50+ years of experience serving commercial and industrial clients
- ASME-certified welding and confined space entry approved
- Comprehensive wholesale parts inventory for immediate repairs
Services
Boiler Maintenance
Our comprehensive boiler maintenance programs include combustion efficiency testing, refractory repair, and ASME-certified welding. We ensure optimal performance through regular inspections and preventive care for industrial boiler systems.
HVAC Installation
We specialize in complete HVAC system installations for commercial properties, including chillers, heat pumps, and temperature control systems. Our team ensures proper sizing and code-compliant installation for maximum efficiency.
Emergency Repairs
Factory-authorized technicians provide rapid response for HVAC and boiler emergencies. Our 24/7 service division addresses urgent mechanical failures with same-day repair capabilities for contract customers.
Wholesale Parts
Our on-site wholesale store stocks over 200 manufacturers' components for immediate pickup. We supply critical HVAC and boiler parts to facility maintenance teams during regular business hours.
Burner Services
We offer LO NOX burner conversions, combustion analysis, and burner system installations. Our certified technicians optimize burner performance for efficiency and regulatory compliance in industrial settings.
People
Sean McNulty
President
Third-generation leader with extensive HVAC industry experience, overseeing company operations and strategic direction while maintaining commitment to quality service.
Desiree McNulty
Accounting Sales
Manages financial operations and client accounts with deep understanding of mechanical contracting needs, ensuring efficient service delivery and customer satisfaction.
Frank LaSalvia
Vice President of Sales
Sales leader with specialized HVAC knowledge, developing tailored mechanical solutions for commercial clients through consultative approach and technical expertise.
Ray Askey
Vice President of Service
Service division leader managing 24/7 emergency operations, ensuring rapid response times and technical excellence in boiler and HVAC system maintenance.
Questions
What HVAC services do you offer?
We provide complete HVAC services including installation, maintenance, and emergency repair for commercial and industrial systems.
Are you available for emergency service?
Yes, our service division operates 24 hours a day, 7 days a week for urgent HVAC and boiler needs.
Do you sell replacement parts?
Our wholesale store offers over 200 manufacturers' HVAC and boiler components for immediate pickup during business hours.
What areas do you serve?
We primarily serve Trenton, New Jersey and surrounding areas for both service and installation projects.
Can you handle large industrial projects?
Yes, our team has decades of experience with complex industrial mechanical systems including ASME-certified welding and confined space operations.
