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
Get the High-Efficiency Boiler in just a few steps
Make an order
Order your new boiler today by contacting us. Our dedicated customer support team will assist you through all the necessary steps.
Arrival of a technician
After confirming your order, our technician will arrive at the appointed time to inspect the property and clarify the necessary details.
Delivery and installation work
We'll deliver the boiler to your location, and our experienced experts will handle 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 High Efficiency Boiler from us?
9.7/10
215 reviews
4.9/5
1200 reviews
Daryll Angel Andrada
Feb 6, 2025
Ian did an excellent job identifying and replacing the gas valve on my water heater. He walked me through the entire process, and the pricing was very fair for the quality of work. Great service from superior hvac services!
Daniela Lozano
Feb 3, 2025
Brian replaced my water heater parts. Best service I’ve had in years!
kate baltazar
Feb 4, 2025
I had a great experience with Superior HVAC ! Ian diagnosed the problem with my furnace immediately, explained every step of the repair, and had it running perfectly in no time. The service was top-notch, and their pricing was very reasonable. I’ll definitely be calling them again. Huge thanks to the team!
daniel kieta
Mar 13, 2025
Of course, our heater stopped working on the coldest night of the year. I called Superior HVAC & Plumbing Services, and Conner was at our house within hours. He found the issue fast, replaced a faulty ignitor, and had the heat back on before the house got too cold. A real lifesaver!
Ella Rhose Tadiosa
Feb 7, 2025
Ian from Superior HVAC services was highly professional and courteous. He arrived on time, efficiently repaired our water heater, and even took the extra step to inspect our furnace to ensure everything was working properly.
Josh Taylor
Mar 27, 2025
The guys who came to my house were great. They got the job done on time and were respectful and professional.
Nerwin B. De Leon
Mar 13, 2025
Great furnace repair service. Technician named Alvin byy was on time and very knowledgeable. Problem fixed, heat restored. Very pleased with the Superior HVAC service
We will deliver a Boiler High Efficiency to any of these cities
Feb 6, 2025
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