Business Details
Emergency
services
Your Trusted Partner for HVAC & Energy Solutions in New Jersey
John Duffy Energy Services has been a family-owned and operated business since 1891, serving Northern and Central New Jersey with trusted HVAC and energy solutions. Our expertise spans residential and commercial heating, air conditioning, and fuel services, supported by four generations of dedicated ownership. We prioritize customer satisfaction through prompt, reliable service and a commitment to industry-leading standards. Our team of licensed technicians delivers expert repairs, installations, and maintenance, backed by over 130 years of experience. We offer comprehensive solutions including heating oil delivery, commercial gas systems, fleet fueling, and fuel tank management.Our 24/7 emergency services ensure uninterrupted support for urgent needs. We emphasize transparency, competitive pricing, and personalized service plans tailored to client requirements. Our legacy of excellence is reflected in our community reputation and long-standing customer relationships. We invest in advanced technologies and training to maintain our position as a leader in HVAC and energy services. Our mission remains focused on delivering dependable, customer-centric solutions that exceed expectations.
Services
HVAC Repair
Heating Oil Delivery
Commercial Gas Services
Fleet Fueling
Fuel Tank Loans
Highlights and features
- We offer 130+ years of experience in HVAC and energy services.
- Our family-owned business maintains a customer-first approach since 1891.
- We provide 24/7 emergency services for urgent heating and cooling needs.
- Our technicians are fully licensed and trained in all major HVAC systems.
- We deliver comprehensive solutions including fuel management and fleet fueling.
What people say
Very prompt, friendly and knowledgeable
Couldn't be any happier
Reputable, honest, trustworthy
Experts in HVAC units
True partner in energy solutions
Services
HVAC Repair
We provide expert repair services for residential and commercial HVAC systems, including boilers, furnaces, and air conditioners. Our licensed technicians address issues promptly, ensuring optimal performance and energy efficiency. With 24/7 emergency availability, we minimize downtime for critical heating and cooling needs.
Heating Oil Delivery
Our heating oil delivery service ensures reliable fuel supply for residential and commercial properties. We offer easy payment plans, price protection, and tank monitoring to prevent shortages. Our modern fleet guarantees timely deliveries across Northern and Central New Jersey.
Commercial Gas Services
We install and maintain natural gas systems for commercial buildings, including furnaces, boilers, and gas connections. Our solutions enhance operational efficiency while meeting safety and environmental standards. Emergency repair services ensure uninterrupted business operations.
Fleet Fueling
Our fleet fueling solutions deliver diesel and gasoline directly to commercial vehicles at their parked locations. We provide fuel storage systems, management platforms, and 24/7 support to streamline fuel logistics for businesses.
Fuel Tank Loans
We offer fuel tank financing and installation for businesses requiring permanent storage solutions. Our tanks and pumping equipment provide flexible, reliable capacity with monitoring capabilities to track fuel levels and usage.
People
Ted Duffy
President
Ted Duffy leads the fourth generation of family ownership, maintaining the company's commitment to customer service and operational excellence since 1891.
Harry Simone
Vice President
Harry Simone oversees daily operations, ensuring adherence to quality standards and customer satisfaction across all service areas.
Andy Moskal
Service Manager
Andy Moskal manages technical teams, coordinating HVAC repairs and installations with a focus on efficiency and customer care.
Sammy Riboldi
HVAC Sales Manager
Sammy Riboldi connects clients with tailored HVAC solutions, leveraging extensive product knowledge and industry experience.
Questions
What services does John Duffy Energy Services offer?
We provide HVAC repair/installation, heating oil delivery, commercial gas solutions, fleet fueling, and fuel tank management systems.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency services for urgent heating and cooling system repairs.
What areas do you serve?
We serve Newark, Jersey City, Elizabeth, Edison, East Orange, and surrounding towns in Essex, Union, Middlesex, Morris, and Hudson counties.
Do you offer payment plans for heating oil?
Yes, we provide easy payment plans and price protection options for heating oil customers.
Reviews (5)
Eli Chase
Apr 28, 2021
Report
These guys are the best in the business and the best contractors I have ever worked with. They are very personable, get the job done quickly for the amount they quote you, and are there for you if any issues arise. I would credit the success of the company to Gary and Andy, or Batman and Robin which better describes them! - they take the stress out of the business and make the job a pleasure from beginning to end, not to mention the professionalism and experience they bring to your project. The crew, with Gary and Andy at the top and Mario heading the supporting cast are proof that business can be fun!
Linda DeBisco
Mar 18, 2021
Report
John Duffy truck backed down our driveway when it was a sheet of ice got stuck told them several times to stop trying to go back up our driveway the driver was indignant & didn't listen the truck tore up our driveway & when we talked to the supervisor turned everything around & blamed us! We are Done with them! We had been a customer w them for almost 31 years this is how we are treated!
Kurt L.
Jan 12, 2021
Report
Just completed an oil to gas conversion in Montclair. These guys are great. Do WHAT they promise, WHEN they promise. Clean and very conscientious. Stayed late to get the job done. Just awesome. NOTE: they will remove and dispose of an above ground oil tank. Everyone else we contacted told us that we'd need to contract for that separately.
Salma Shaikh
Dec 31, 2020
Report
Hi- I used Duffy twice this year. Once for my Boiler maintenance and today for my baseboard heater. Awesome Company Awesome job! Their technicians are highly experienced. I recommend to use Duffy! I give them 5 Stars!
Jess P.
Mar 21, 2019
Report
Less than 1 star! This company is horrible! They were hired by our builder and when I contacted them for a problem we were having they sent a tech who couldn't exactly figure out the problem. We were told we would hear back from someone but never did. I called to follow up multiple times with Andy, the service manager, but he never returned my calls. I got their VP of Ops, Ted involved and he send Andy to our house to diagnose the issue. We came up with a plan of action and have been waiting for 2 weeks to hear back from them with their availability to do the work. Extremely poor service - buyer beware!