Heating Services

Installation, repair, and maintenance services in central and northern NJ.

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.

We offer:

  • 24-hour emergency service
  • annual tune-ups to keep your system running efficiently and trouble free
  • quick response times

Our highly trained experts can repair virtually every make and model, including:

  • Weil-McLain
  • Carlin
  • Buderus
  • Honeywell
  • American Standard
  • Hallmark
  • Bock
  • Beckett
  • Riello
  • Get in touch today for expert heating system repair service or maintenance. For no-heat emergencies, please call our office.

    John Duffy, serving Newark, Elizabeth, Jersey City, Edison, East orange and surrounding towns in Essex, Union, Middlesex, Morris and Hudson county, NJ.

    Contact Us

    Office Address
    465 Mulberry St Newark NJ 07114-2736

    Mailing Address
    P.O. Box 5610, Newark, NJ 07105