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
4.8/5
reviews
GABRIELLE FHUEGO DIZON
Oct 21, 2025
We had a great experience with Superior HVAC, Heating and Air Conditioning. They were able to schedule us quickly, and the technician named Kurtis was very thorough in repairing our water softener. Highly satisfied!
Tommy Marshall
Nov 15, 2025
I had Ryan over not too long ago and the guy did an incredible job. Even gave me some free advice. Kid's a stud.
Saba John Vincent G.
Jan 27, 2025
Fast and efficient repair from Superior Plumbing and Heater! The technician fixed my heater issue swiftly and explained everything clearly. Excellent service—my home is warm again, and I couldn’t be happier with the work done!
diel devera
May 20, 2025
The technician named Cole was skilled and explained the repair process clearly. We appreciate their attention to detail. Awesome job Superior HVAC, Heating and Air Conditioning
ashley ross
Dec 17, 2025
Huge thanks to the people at superior, from the customer service, all the way to the quality parts they use. Everything about my experience with superior was flawless.
We will deliver an 95 AFUE Gas Boiler to any of these cities
Oct 21, 2025
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