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 Navien 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
Once the order is confirmed, our skilled technician will promptly arrive at your property to conduct an inspection and clarify any details.
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.
Advantages of Buying a New Navien Boiler Over Renting
If you’re considering purchasing a new Navien boiler instead of leasing one, here are some specific advantages for you to take into account. New Navien boilers have features like high-efficiency condensing technology and advanced controls. It will help you reduce both your environmental impact and utility expenses.
You have complete control over its settings and operation, allowing you to customize it to perfectly suit your specific heating needs. Additionally, new Navien boilers are known for their durability so you won’t spend a fortune on their maintenance and repairs.
We recommend that you buy a Navien boiler from our company since we can help you get a government rebate. The amount of compensation depends on your income, the way you heat your home and any previous state aid you may have received.Â
Why should you buy a Boiler Navien from us?
9.7/10
215 reviews
5/5
1183 reviews
Josh Foster
Jan 22, 2026
Excellent customer service while fixing furnace.
Aarav Mehta
Feb 08, 2026
I contacted Superior HVAC Service, Heating & Air Conditioning St. Catharines for a furnace issue during cold weather. The technician diagnosed a faulty part, completed the repair efficiently, and tested the system thoroughly before leaving. Professional service and fair pricing.
Charlotte Chen
Jan 17, 2026
Superior HVAC was able to help me fix my furnace. I called and they arrived at the same day and diagnosed my furnace. I needed a gas value and they did the work later that night ! I highly recommend!
Raquel January
Mar 14, 2026
If you want to remove negative reviews from your Google Business, contact me via my profile; my contact details are listed there. After work you can pay..
We will deliver a Navien Boiler to any of these cities
Jan 22, 2026
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