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Veteran Owned Business

24/7 Emergency Service

Providing the Highest Quality Commercial HVAC Services to New Jersey Businesses for Over 50 years

Thermal Service of New Jersey delivers premier, cost-efficient manual and automated Heating, Ventilating, and Air Conditioning (HVAC) systems design, installation, maintenance and repair. A full-service company, we specialize in upgrades, retrofits and fitout, retubing, rebuilding and overhaul, sheet-metal fabrication, boiler and cleaner service, and water tower repair. Comprehensive planned maintenance programs and 24/7 emergency services are dispatched from our Edison, NJ, headquarters.

We Take Our Reputation Very Seriously

Since 1968, building owners and facilities managers responsible for the climate control and air quality of commercial and institutional buildings of every size and complexity have come to rely on our exceptional quality of workmanship at a fair price. Our commitment to understanding the unique needs of each customer and developing customized solutions is at the very core of our business. At Thermal Service of New Jersey, we recognize the challenges in creating and maintaining a comfortable environment, while meeting deadlines and budget restrictions.

Our unwavering commitment to excellence along with a team of highly trained, experienced technicians ensure “uneventful” plant operations. It’s dedication to our customers that has led to many successful long-term relationships and numerous “word of mouth” recommendations.

We understand our customers’ needs and are equipped to satisfy them.

Contact us today for an estimate.

Thermal Service of New Jersey has the comprehensive services, projects, memberships, OEM certifications and partnerships you’d expect from an environmental equipment support organization with more than 50 years continuous operation behind it. One with 30+ highly trained technicians on staff, a fleet of 25+ service vehicles, and second-to-none response time in our New Jersey service area.

We support the HVAC requirements of commercial offices and corporate facilities; pharmaceutical headquarters and plants; manufacturing and high-technology sites; medical, educational, and financial institutions; and industrial and warehousing operations.

Colliers International, Replacement of compressor in Penthouse Unit

We provide

Some of Our Projects

Our Staff

Samuel Dalfonzo, Sr.


Samuel Dalfonzo, Jr.


John Karcher

Business Development

John Titolo

Project Engineer

Bill Gilkison

Project Manager

RJ Vail

Building Automation/Service

Andrea Tramontana

Office Manager

Joanne Fisher


General Inquiries

OEM Partnerships & Certifications


Professional Memberships

Contact Us

 Thermal Service of NJ, Inc