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.
Get your boiler 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
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 Boiler from us?
9.7/10
215 reviews
5/5
1274 reviews
MarĂa Conchita Fernández Vargas
Feb 06, 2025
Our water heater stopped working, and Superior HVAC came out the same day! Cameron was professional, quick, and super friendly. Highly recommend their services!
Romy Salazar
Jan 29, 2025
Shoutout to Neil of Superior HVAC and air conditioning for installing an air filtration system on my home. Also, thank you for the lessons and advices on how to prolong it’s life. Very great service!
Robert Beaucaire
Jul 27, 2025
Central A/C stopped working Thursday night. Contacted Superior Friday morning and sent a technician within a few hours. They confirmed the worst but were able to install a brand new one the next day. The technicians were professional and courtious. Excellent service! I would recommend them any day!
John Hoover
Nov 27, 2024
technician phoned to say he was on his way, very prompt and courteous, did a quick but thorough diagnios. no compliants
fatma mahmoud
Jan 31, 2025
My furnace wasn’t keeping the house warm, so I reached out to Superior HVAC Service. Sean showed up on time, diagnosed the problem quickly, and had it fixed before I knew it. He also checked my water heater to ensure everything was working properly. Excellent service—highly recommend!
Kyla Jubelle Bendo
Oct 31, 2025
My thermostat was malfunctioning, and Superior HVAC Heating and AirConditioning fixed it quickly. The service was very professional and affordable. Thanks to Cedric. They explained the problem clearly and tested everything carefully.
Anto Shap
Oct 31, 2025
Superior HVAC Heating and AirConditioningperformed maintenance on my water heater and improved its efficiency. The technician named Adam was professional and educated me on upkeep. Friendly service and great value overall.
Feb 06, 2025
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