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
Integrated ECM pump and DHW diverter valve on all models
Small zone valve systems may not require an additional pump or a low loss header
Get the Boiler Condensing in just a few steps
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
We'll deliver the boiler to your location, and our experienced experts will handle the installation efficiently and professionally.
Get a warranty
Our warranty covers various parts and services, and even after its expiration, we provide reliable post-warranty services.
Why should you buy a Condensing boiler from us?
9.7/10
215 reviews
4.8/5
0 reviews
Muhammad Uzair
Jan 11, 2024
This product met my hopes. They sent me a technician to service the furnace in two hours. When the ambulance broke down completely, we needed an ambulance. I would highly recommend them to anyone interested in learning more about them.
Juliet D'Silva
Feb 3, 2025
We hired Superior HVAC to take care of our furnace in our rental property and they did an amazing job! Reard was really nice and professional!!! Thank you so much for your services!
Merle Bloomfield
Nov 1, 2023
We hired Superior HVAC Service to install a tankless water heater last weekend. Excellent customer service, great technical support, fast work, and a warranty on the installation. I would recommend this company!
Rohan Clauwie Bagting
Feb 8, 2025
My happiness has been much enhanced by Excellent Superior HVAC. Brandon, the technician, was competent, effective, and provided comprehensive explanations of everything. In no time at all, my air handler is operating flawlessly once more. Excellent work!
Kevin Josh
Dec 12, 2023
They exceeded my expectations with great service.I appreciate their help and also the cool and comfortable installed system.
Celeena croose
Feb 7, 2025
Superior HVAC Services was incredible when it came to our furnace repair. Alec was very helpful, took the time to explain the issue, and the repair was done quickly. Highly recommend them!
Massimo Vitale
Mar 6, 2025
George and the team were awesome to deal with. Had my issue fixed within a day. Would highly recommend the team at Superior HVAC.
Mishca Cruz
Mar 1, 2025
Thank you Cameron of Superior HVAC for the installation of my new thermostat. It really is a must have especially this season
We will deliver boilers condensing to any of these cities
Jan 11, 2024
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