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
High performance fire tube stainless steel heat exchanger
Vents in PVC, CPVC or Poly Propylene
Get the Boiler Commercial 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 your order is confirmed, we will promptly visit your location and conduct a thorough inspection, ensuring all necessary details are clear.
Delivery and installation work
After the assessment, we will deliver the boiler to you. Our experts will carry out the installation efficiently and professionally.
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 Commercial Boiler from us?
9.7/10
215 reviews
4.8/5
reviews
Mark Paul Ampusta
Feb 20, 2025
Installation for my furnace was quick and seamless. Their technician named Cole paid attention to every detail, ensuring a perfect fit. Great customer service and a stress-free experience. Awesome Superior HVAC!
Jared Denver R. Mustaza
Oct 21, 2025
Our air handler was making strange noises, and Superior HVAC, Heating and Air Conditioning quickly diagnosed and fixed the issue. Adam, tech guy arrived on time. Great service, prompt response, and reasonable pricing. Highly recommend!
kristina djordjevic
Oct 27, 2025
Our furnace wouldn’t stay lit. Ryan from Superior HVAC Service replaced the gas valve, adjusted pressure, and confirmed it was running safely. The workmanship was excellent.
Evan MacDougall
Oct 28, 2025
Evan from Superior HVAC Service ran a combustion analysis on our gas furnace. He adjusted the air-to-fuel ratio and optimized performance. It runs better than it has in years.
Thanya LĂłpez
Jan 28, 2025
My thermostat wasn’t working correctly, so I contacted Superior HVAC. Ian replaced it with a modern one and repaired my water heater. I’m very satisfied with their efficient services.
We will deliver Boilers Commercial to any of these cities
Feb 20, 2025
Ajax