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
4.9/5
183 reviews
Gary North
Jan 15, 2024
These professionals proved to be highly reliable, going above and beyond to ensure our boiler was repaired and hot water was restored as quickly as possible.
Jami Carl
Dec 12, 2023
I hired their services and didn't regret it a day. At the end of the day, they double-checked everything and charged a fair price.
Chumbe Ruiz
Dec 12, 2023
Superior HVAC service heating has been consistently prompt in providing us with quality service. Our current system not only keeps our house warm, but it also saves ours money.
Nehemiah William
Nov 1, 2023
They were very reasonable with their pricing and answered my call quickly. My tankless water heater was up and running on the same day. Thank you for the prompt repair! We will be using Superior HVAC Service for our future plumbing needs!
Jon White
May 24, 2024
Great work.
Daryl Chambers
May 5, 2024
I was not happy with a service call I had and was issued a full refund by the manager so I changed my review to 5 star. The tech was professional but did not have the proper tools to diagnose my issue. It happens, and the company did issue a refund.
We will deliver Residential Navien Boiler to any of these cities
Jan 15, 2024
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