John Duffy Energy Services is a heating contractor that can provide you with an expert and authoritative assessment of the boiler, water heater, or furnace in your home. Plus, we offer a superior level of customer service and a top-notch service plan. Our heating services involve the very finest products, the best-trained specialists, and service plans that simply can’t be beat.
We’ll find the right products and plans to fit both your home and your budget—but we won’t stop there.
John Duffy, serving Newark, Elizabeth, Jersey City, Edison, East orange and surrounding towns in Essex, Union, Middlesex, Morris and Hudson county, NJ.