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 Residential Boiler Navien 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
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 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 Navien Residential Boilers from us?
9.7/10
215 reviews
4.8/5
reviews
Jone Okie
Nov 01, 2025
The tankless water heater installation by Superior HVAC Heating and AirConditioning was quick, clean, and professional. The tech guy named Tyler was friendly and explained everything thoroughly. I highly recommend their service and expertise.
Sherrie Davis
Dec 18, 2025
My furnace died during the night and my house was completely cold. Daniel was the service technician who gave me the bad news that my furnace had to be replaced. He went above and beyond to get me the installation the same day. (The installation was done quickly and professionally.) Daniel and the installers were professional, compassionate and very helpful. I wouldhighly recommend him and this company.
Wilson Heslop
Dec 24, 2025
This guy justin was unbelievable, super smart, helpful and handsome. Replaced our 15 year old furnace the same day I called.
Chamodi Dharmarathne
Feb 08, 2025
Superior HVAC Services came to the rescue when our water heater broke. Georgewas knowledgeable, friendly, and explained all our options. The repair was fast, and the heater works great now. Will definitely use them again!
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.
Furanshi Uzumaki
Nov 02, 2025
Our broken water boiler was fixed within hours. Expert repair work! Tech guy named George did not leave any mess. We are very happy customers with Superior HVAC Heating and AirConditioning
We will deliver Residential Navien Boiler to any of these cities
Nov 01, 2025
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