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
Get an 95% AFUE Natural Gas Boiler in just a few steps
Make an order
Contact us to start the process of purchasing a new boiler. Our customer support team will guide you through all the necessary steps.
Arrival of a technician
Once the order is confirmed, our skilled technician will promptly arrive at your property to conduct an inspection and clarify any details.
Delivery and installation work
We will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
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 an Boiler gas 95% AFUE from us?
9.7/10
215 reviews
5/5
1238 reviews
Francis Ma
Jul 08, 2025
Superior HVAC, Heating and Air Conditioning provided excellent service through their technician Daniel, who quickly resolved the error codes on my tankless water heater at a fair price. I highly recommend them.
Francesca De Mesa
Jul 07, 2025
Tankless water heater issue resolved in no time. Continuous hot water again. Great service, very knowledgeable tech guy named Daniel. Thank you Superior HVAC, Heating and Air Conditioning
Franca Sauro
Jan 09, 2025
I had an outstanding experience with George.He diagnosed an issue with my water heater and his professionalism and expertise were truly impressive.He was punctual, courteous, and well-prepared.He identified the root cause of the problem and took the time to explain everything clearly, making sure that I fully understood the situation and the solutions. He not only fixed the problem but went above and beyond to check for any potential issues, ensuring everything was working perfectly before leaving.Thank you, George, for a job exceptionally well done!
shahed alhalabi
Jan 31, 2025
Really good service
Malak Kharnoub
Jan 31, 2025
Excellent HVAC Service!Our furnace stopped working in the middle of a cold snap, so we called Superior HVAC Service. Michael showed up right on time, diagnosed the issue, and fixed it quickly. He also took the time to explain how to maintain the system to avoid future problems. Highly impressed with the level of service—definitely recommend!
Fernando Ortiz
Aug 10, 2025
Superior plumbing provide us with a new hot water tank in less than 24 hours and did the repairs and explain how to use the new system. The technicians were professional and service over the phone was very good each time. Thank you
We will deliver an 95 AFUE Gas Boiler to any of these cities
Jul 08, 2025
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