• Princeton University Neuroscience Building

    D&B Engineering was able to meet extremely difficult fan efficiency and sound requirements in this state-of-the-art building. View More

  • Immaculate Heart Academy

    Immaculate Heart Academy is a prominent all girls private school in Washington Township, NJ.

    The boiler plant in the school dated back to the 1950’s with one of the boilers completely inoperable thereby leaving the school limping along on the remaining boiler which had no back-up. This condition persisted through the 2011 -2012 winter season.
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  • Metro Top

    D&B Engineering provided Evaporator Condensing Penthouse units which were installed at the Metro Top building located at 90 Woodbridge Center Drive, Woodbridge, New Jersey.

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  • Mack Cali

    D&B Engineering provided replacement equipment that met the very tight roof space restrictions. We were able to utilize McQuay Skyline “variable aspect ratio” rooftop units with custom duct opening to fit and eliminate the need for costly adapter curbs, roof steel, or duct transitions.
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  • Exchange Place

    D&B Engineering sold floor by floor equipment going into various floors at 10 Exchange Place, Jersey City, New Jersey
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D&B Engineering

D&B Engineering

D&B Engineering is an industry leader offering HVAC products in the area including New Jersey and Rockland County, NY. D&B Engineering is an exclusive representative for some of the largest brands of HVAC products, including :

  • Daikin: The world's largest manufacturer of HVAC equipment 
  • Fulton: High efficiency condensing boilers
  • Lennox International - HVAC Equipment
  • Tecogen: Natural gas engine driven products
  • FAFCO: Ice Storage systems
  • Island Air PTAC Perfect Fit Replacement

Our highly respected team of sales engineers, application engineers, project managers and support staff are ready to assist you. At D&B Engineering, we’re committed to assisting in the design, selection, installation and maintenance of the right HVAC solution for every project. No other organization in New Jersey has our track record for total support of end users, contractors and consulting engineers.

At D&B Engineering, our focus is on delivering high efficiency cooling and heating products for any construction project. Complex issues can include retrofit applications, acoustically tuned HVAC installations, indoor air quality, zone control and seamless integration with building automation systems. The D&B team provides solutions. Our industry experience includes industrial, commercial and institutional markets of all types.

Please browse our site to see what products and services best suit your needs. If you need additional information, please contact us by phone, fax, or email. Your inquiries get a prompt response, courteously and professionally. Trust your business to D&B Engineering! We can offer you the right solution for your application needs.

D&B's Upcoming Events



  • Fafco
  • Flow Design
  • Fulton
  • GPS
  • Heatwave
  • Islandaire
  • Koldwave
  • Lennox
  • Reflok
  • Security Chimneys
  • Sterling
  • Tecogen
  • Xetex
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