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Business Details
50+ Years
experience
Commercial HVAC Contractors Serving NJ, DE & PA
Gaudelli Bros has been a trusted leader in the HVAC industry since 1968, delivering exceptional mechanical contracting services across New Jersey, Delaware, and Eastern Pennsylvania. Founded by William Gaudelli Jr., our company evolved from residential heating and air conditioning to specialize in commercial design-build projects, combining decades of expertise with cutting-edge technology like MEP AutoCAD. Our commitment to excellence is reflected in our in-house sheet metal fabrication shop in Millville, NJ, which ensures precision and quality control for every project. We prioritize superior workmanship, honesty, and integrity, as evidenced by our long-standing partnerships and client testimonials praising our reliability and professionalism.

With licenses and certifications including Master HVACR credentials and Universal EPA certification, we serve public works and private clients with the same unwavering standards. Our team of experienced professionals, led by Angelo Gaudelli, approaches every project with a dedication to meeting deadlines, exceeding expectations, and maintaining our reputation as a top-rated contractor. From equipment installation to complex ductwork systems, we provide comprehensive mechanical solutions tailored to commercial needs. This enduring focus on quality has earned us recognition as a preferred subcontractor and a trusted partner for over five decades.
Services
Equipment Installation Ductwork Systems Piping Solutions Welding Services Sheet Metal Fabrication HVAC Upgrades Commercial Maintenance Design-Build Projects Mechanical Contracting Public Works Projects
Details
  • Year established: 1968
Highlights and features
  • We offer 55+ years of specialized HVAC contracting experience
  • Our in-house sheet metal fabrication shop ensures precision quality
  • We utilize advanced MEP AutoCAD for project design
  • 100% satisfaction guarantee on all commercial projects
  • Licensed and certified across multiple states including NJ, DE, and MD
Associations and certifications
  • Universal EPA Certified
  • DPMC Certified
  • NJ Public Works
What people say
Best subcontractor Excellent quality Pleasure working Responsible contractor Top contractors
Services
Equipment Installation
We specialize in comprehensive HVAC equipment installation for commercial projects. Our services include chiller systems, boiler installations, cooling towers, and VRF units. With precision engineering and expert technicians, we ensure optimal system performance and energy efficiency for new constructions and facility upgrades.
Ductwork Systems
Our in-house fabrication shop creates custom ductwork solutions for commercial buildings. We produce high-pressure and low-pressure duct systems, kitchen exhaust systems, and vehicle exhaust ducting. Using modern manufacturing techniques, we guarantee exact specifications and superior durability for complex mechanical projects.
Piping Solutions
We provide complete piping system installation and maintenance for commercial HVAC applications. Our expertise includes groove pipe, welded pipe, process piping, and steam pipe systems. Our certified welders and technicians ensure leak-free connections and compliance with all industry safety standards for reliable mechanical operations.
Design-Build Projects
Our design-build approach integrates MEP AutoCAD technology with construction expertise for commercial HVAC projects. We manage projects from initial design through completion, ensuring cost-effective solutions that meet exact client specifications while maintaining strict quality control throughout the construction process.
Public Works Projects
We have extensive experience with public sector HVAC projects, including school districts, government buildings, and military facilities. Our team understands the unique requirements of public works contracts and maintains the necessary certifications to deliver compliant, high-quality mechanical systems for municipal clients.
People
Angelo Gaudelli Sr.
President
Third-generation HVAC leader with 30+ years in commercial mechanical contracting, overseeing operations and strategic direction while maintaining family commitment to quality and client satisfaction.
Angelo Gaudelli Jr.
Shop Manager
Manages fabrication operations with expertise in sheet metal production, ensuring precision manufacturing standards align with project requirements and industry specifications for all custom components.
Anthony Gaudelli
Project Manager/Estimator
Handles project coordination and cost estimation with deep knowledge of commercial HVAC systems, ensuring accurate bids and efficient execution of complex mechanical contracting projects.
Jay Mixner
Project Manager/Estimator
Supports project planning and implementation with technical expertise in HVAC design-build solutions, focusing on client communication and adherence to project timelines and specifications.
Ryan O'Neill
Project Manager/Estimator
Manages commercial HVAC projects with emphasis on quality control and client satisfaction, leveraging extensive field experience to ensure successful project delivery across multiple service areas.
Questions
What HVAC services do you offer?
We provide full-service commercial HVAC solutions including equipment installation, ductwork systems, piping, design-build projects, and public works contracts.
Which areas do you serve?
We serve New Jersey, Delaware, and Eastern Pennsylvania with comprehensive mechanical contracting services.
Do you offer free project bids?
Yes, we provide free bids for all commercial HVAC projects with no obligation.
Are you licensed for public works projects?
Yes, we hold Master HVACR licenses in NJ, DE, and MD with NJ Public Works certification.
How do you ensure quality work?
Through in-house fabrication, certified technicians, and strict quality control processes established over 55 years in business.
Can you handle complex commercial projects?
Yes, our team manages projects from design phase through completion using MEP AutoCAD technology and proven construction methods.