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
319 reviews
Woody Kirk
Dec 29, 2023
For the past two years, the semi-annual maintenance of our HVAC system by Superior HVAC Service has been consistently smooth. The technicians have been punctual, conducting their tasks with thoroughness and maintaining a professional attitude throughout. They have not only offered valuable suggestions and explanations but also provided clear recommendations for cost-saving measures. The trust I have in their commitment to quality service and customer satisfaction extends to the company as a whole. Without reservation, I confidently recommend Superior HVAC Service.
Franca Sauro
Jan 9, 2025
I had an outstanding experience with George.He diagnosed an issue with my water heater and his professionalism and expertise were truly impressive.He was punctual, courteous, and well-prepared.He identified the root cause of the problem and took the time to explain everything clearly, making sure that I fully understood the situation and the solutions. He not only fixed the problem but went above and beyond to check for any potential issues, ensuring everything was working perfectly before leaving.Thank you, George, for a job exceptionally well done!
Brad Mendoza
Jan 18, 2025
Ian installed a new water heater for us. He was professional, friendly, and completed the job ahead of schedule.
Maverick Micah
Jan 10, 2024
We had an issue with the furnace thermostat -it was not heating properly. So we contacted this repair service to get it fixed or replaced, if necessary, as soon as possible, since they have this emergency option. And they came quickly! The technician found that we needed to replace the thermostat, it was the only way out. Plus, the price was affordable.
Scott Lane
Jan 4, 2024
Kurtis and Matt replaced both my air conditioning unit and furnace, leaving me extremely satisfied. Their prior service on my equipment was always punctual, efficient, and professional. I highly recommend their services.
Cedric
Dec 29, 2023
For years, I've relied on Superior HVAC Service for all my HVAC needs. Kurtis and his team have consistently demonstrated trustworthiness, efficiency, cost-effectiveness, and timeliness. They've installed our new furnace, air conditioner, water heater, humidifier, and provided ongoing maintenance. I highly recommend Kurtis for all your HVAC requirements.
We will deliver Residential Navien Boiler to any of these cities
Dec 29, 2023
Ajax