Enjoy perfectly reliable warmth and security when you choose John Duffy Energy Services, a heating oil company known for the very best in service and customer care. Let us keep you and your family warm and safe.
But what really sets John Duffy Energy Services apart is that we’re a family company, in business since 1891 and offering heat and comfort to countless families and households throughout central and northern New Jersey. We care about your needs and are proud to offer products we can stand by 100% and a level of service that will leave you worry-free. We want to meet your needs and resolve all your business heating issues. More than anything, we want to make sure your business experiences heating and comfort that you can truly depend on.