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 Residential 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 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 a Residential High Efficiency Boiler from us?
9.7/10
215 reviews
4.9/5
319 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.
Brad Mendoza
Jan 18, 2025
Ian installed a new water heater for us. He was professional, friendly, and completed the job ahead of schedule.
Andrew Flower
Nov 28, 2023
They were great to work with. They were prompt and offered me fair prices. Leo, their technician, was professional, friendly, and very knowledgeable. The problem was solved!
Victoria Jordan
Dec 29, 2023
I want to express my very positive feedback about Superior HVAC Service. They installed a new furnace, air conditioner and water heater. I've never regretted choosing Superior HVAC Service because they respond promptly to my calls and their personalized service is truly valuable. I often recommend them to others.
David Cadieux
Oct 3, 2023
Good service
Thomas Kaiser
Dec 28, 2023
Facing a furnace issue, I contacted Superior HVAC Service, and Tanner proved to be responsible, responsive, and highly skilled. He arrived promptly, explained the problem and his actions, and provided professional insights. Tanner's professionalism and thorough explanation of charges and future maintenance tips impressed me, making Superior HVAC Service my go-to for HVAC issues.
Dani Hernandez
Jan 17, 2025
Ian replaced our furnace and completed the job ahead of schedule. His professionalism and care were outstanding
We will deliver a High-Efficiency Boiler For Home to any of these cities
Jan 15, 2024
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