Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions.
2" venting up to 65' (including schedule 40 PVC).Vent Installation Detector (VID) for added safety.
Patented stainless steel fire tube heat exchanger Navien’s innovative heat exchanger design is ASME‑Certified,“H” Stamped, and reduces high-stress point weld failures common on other combi-boilers.
Advanced user interface with Setup Wizard is made easy with backlit panel, click-wheel control and intuitive text.
Low gas pressure operation. Negative pressure regulating gas valveensures maximum performance all the way down to 3.5" of water column on natural gas and 8" of water column on propane gas.
Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions.
1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
Patented stainless steel fire tube heat exchanger Navien’s innovative heat exchanger design is ASME‑Certified,“H” Stamped, and reduces high-stress point weld failures common on other combi-boilers.
NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses.
1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.
The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection
The condensing technology of the dual stainless steel heat exchangers saves energy, reduces greenhouse gasses
2" venting up to 65'; 3” up to 150’ (including schedule 40 PVC)
The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling
A few steps and a new Commercial Boiler Navien in your company
Make an order
Contact us to buy a new boiler. Our team will guide you every step of the way and help you choose the right model.
Arrival of a technician
Once your order is confirmed, we will promptly visit your location and conduct a thorough inspection, ensuring all necessary details are clear.
Delivery and installation work
After the assessment, we will deliver the boiler to you. Our experts will carry out the installation efficiently and professionally.
Get a warranty
You receive a warranty that covers various components and services, and when it ends, you can count on our post-warranty services.
Why should you buy a Navien Commercial Boiler from us?
9.7/10
215 reviews
5/5
1274 reviews
Robert Beaucaire
Jul 27, 2025
Central A/C stopped working Thursday night. Contacted Superior Friday morning and sent a technician within a few hours. They confirmed the worst but were able to install a brand new one the next day. The technicians were professional and courtious. Excellent service! I would recommend them any day!
Lourence Agasang
Jul 09, 2025
Daniel, the technician, was knowledgeable and courteous, quickly diagnosing the issue and restoring heat with no mess, showcasing Superior HVAC's excellent service.
Monica Bibit
Jun 12, 2025
Technician named Brian arrived promptly, diagnosed the issue quickly, and had hot water running again in no time. Courteous and efficient—highly recommend for any tankless repairs.Excellent experience with Superior HVAC and Services
Adriana Bolton
Oct 28, 2025
Ryan from Superior HVAC Service replaced our 20-year-old furnace. The install was tidy and done in one day. He explained how to register the warranty and walked us through the new system. Would definitely use Superior HVAC again!
Eirich Ydette Mendoza
Oct 20, 2025
Superior HVAC, Heating and Air Conditioning saved the day! Our water heater broke down on a Sunday, and they were here within hours. Fast, friendly tech named Kurtis and affordable. Highly recommend team!
Daniel Rizak
Jan 30, 2025
I had trouble with my tankless water heater, so I reached out to Superior HVAC Service. Farid arrived promptly, diagnosed the issue right away, and had it running perfectly in no time. He even took a quick look at my furnace to make sure everything was in good shape. Super professional and efficient!
Mikkee Roxane Dungao
Oct 21, 2025
Water heater was fixed perfectl, provided excellent service and a smooth repair hot showered. Reliable and knowledgeable service by techinician Jemmar. Highly recommended. Thank you for your service.
Konrad K
Oct 24, 2025
I want share my experience with Superior Plumbing and Heating. Tyler came to inspect my furnace issue. He had an open mind and was very detailed in his review checking each area of the furnace. Did not rush and took his time to ensure my heating issue was resolved for good.Quick service at a reasonable rate.
We will deliver Commercial Boilers Navien to any of these cities
Jul 27, 2025
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