Providing Heating Oil, HVAC Services, and Motor Fuels to Homes and Businesses in Northern and Central New Jersey

John Duffy Energy Services has been a family-owned and operated company since its 1891 inception. Its history spans four generations, but what remains consistent is the people-first attitude and customer-driven approach to sales and service that make the company tick.

Whether you're looking for residential or commercial services, you need heating oil or HVAC services, or your business needs motor fuels, for the best service and quality in Essex and Union counties, and throughout northern and central New Jersey, contact John Duffy Energy Services.