Boiler installation, repairs, and maintenance in central and northern NJ

If you buy your boiler from John Duffy Energy Services, you’re not just getting heating equipment; you’re getting peace of mind. You’re getting a full-range boiler service that includes sales and installation as well as boiler repair and maintenance. And of course, you’re getting the very best, name-brand products. John Duffy Energy Services proudly carries Buderus and Weil-McLain boilers, brands that are known as some of the finest on the market.

So don’t settle for just any boiler service. Invest in something you can rely on to provide the warmth you need, dependably and with a minimum of worry or hassle. For more information, or for boiler prices, contact John Duffy Energy Services today.

Buderus® Logano G115WS Oil Boiler

The Buderus G115WS boiler is based on the highly successful G115, the world’s best-selling boiler. The G115WS has been redesigned and re-engineered to extract and deliver more heat from every fuel dollar, and now has higher outputs at less cost per BTU.

Boiler Features

  • High efficiency – AFUEs* above 86%
  • Flexible, corrosion-resistant cast iron
  • Full-swing burner door for excellent serviceability
  • Optimized combustion – no need for a heat-consuming refractory or target wall, eliminating the need for costly repairs
  • Minimal stack losses with the modified three-pass flue design’s large heat transfer areas
  • buderus-logano-g115ws

    Weil-McLain SGO Oil Boiler

    Ultra Series 3-UE delivers peace of mind, unmatched comfort and immediate in energy savings.

    Boiler Features

  • High efficiency – 84% AFUE*
  • Oil-fired steam boiler with cast-iron sections and tankless heater opening
  • Has large water content for longer steaming times
  • Two flue outlets- rear and top – for complete venting flexibility
  • Quick open top and swing-away burner door increase visibility for inspection and servicing
  • *AFUE: Annual Fuel Utilization Efficiency
    Get in touch today for more information on a boiler installation, repair, or maintenance.

    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