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
4.8/5
reviews
Yehey Dey
Nov 02, 2025
Superior HVAC Heating and AirConditioningprovided thorough maintenance on my water heater. Adam, the tech guy was punctual, knowledgeable, and courteous. The heater runs smoothly now, and I’m confident in their quality service.
James Lyons
Oct 27, 2025
Ryan from Superior HVAC Service diagnosed a bad ignition module on our furnace. He replaced it quickly and stayed until the flame sensor tested perfect. The whole experience was easy and professional.
Nica Bibit
Jul 15, 2025
AC stopped cooling during peak summer. Their tech guy named Jemmar arrived same day, replaced a faulty capacitor, and had it running cold fast. Professional, responsive, and fairly priced. Awesome team Superior HVAC, Heating and Air Conditioning
Clyde Leaño
Jul 12, 2025
Tyler, a technician from Superior HVAC, Heating and Air Conditioning, provided excellent service and a smooth repair for my water softener that wasn't regenerating properly. I'm very happy with their prompt response.
Rose Ann Rivera
Mar 13, 2025
Professional and efficient installation for my air handler. The tech guy named Neil was on time and very clean. My new unit is working great. Thank you Superior HVAC
Lovely Ledesma
Jul 08, 2025
Superior HVAC, Heating and Air Conditioning provided a professional and trustworthy service through their technician Reard, who quickly diagnosed and fixed my A/C system's cooling issue within hours. Thank you.
Samantha Frances Cerezo
May 29, 2025
Prompt response during a heatwave. AC is now running smoothly. Friendly tech named Rubiany, clean work, and fair pricing. Highly recommend Superior HVAC, Heating and Air Conditioning
We will deliver a High-Efficiency Boiler For Home to any of these cities
Nov 02, 2025
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