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 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'll deliver the boiler to your location, and our experienced experts will handle 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 High Efficiency Boiler from us?
9.7/10
215 reviews
4.9/5
516 reviews
Eros Reine
Feb 6, 2025
I recently had my furnace repaired, and the experience was outstanding. Ian, the technician from superior HVAC services, arrived right on time, maintained a courteous demeanor throughout the visit, and clearly explained both the issue and the repair process. His expertise and attention to detail quickly restored my furnace to peak condition. I truly appreciate the prompt, professional service and wouldn’t hesitate to recommend this company for any heating needs.
Astreá Jade
Feb 4, 2025
Excellent service! Technician named Cole was knowledgeable and friendly. Highly recommend for thermostat repair. Superior HVAC Services, you are lifesaver!
GABRIEL P. PUZON
Feb 7, 2025
Conner, their technician, was able to identify and fix my Air Handler problem in a matter of minutes. Very informed and effective! Fantastic Superior HVAC!
Justin Glover
Sep 20, 2023
The guys were generous with information that saved me time, money and headaches. They took the time to help me and give me the right tips on my furnace installation at no cost. Thank you again!
gerardo albeto maycruz
Feb 3, 2025
Reard fixed our boiler during an emergency, and I couldn’t be more grateful. His speed, skill, and professionalism were incredible
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.
Nikz Papery bear
Feb 7, 2025
We had a fantastic experience with Superior HVAC Services. Our tankless water heater needed a repair after 10 years, and Hunter took care of it. He was friendly, efficient, and we’re thrilled with the outcome.
We will deliver a Boiler High Efficiency to any of these cities
Feb 6, 2025
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