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
Small zone valve systems may not require an additional pump or a low loss header
Easy service access and quick component connections
Modulating Combustion up to 11:1
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
4.8/5
reviews
Gymea Lorraine Arahan
Nov 01, 2025
Tankless water heater maintenance by Superior HVAC Heating and AirConditioning was top-notch. Their tech named Tyler inspected every part thoroughly and optimized performance. Friendly technicians and fair prices. Very happy with my service.
Jarek Walter
Feb 28, 2026
We had a problem with our furnace. I placed a phone call to Superior. To my total surprise, technicians arrived to my place within two hours. They were friendly, profesional and diagnosed the problem.Highly recommend their service.
Stephanie Johnston
Jan 17, 2026
Fixed my 17 year old furnace. Very professional and efficient service !
Girish Vaidhya
Dec 24, 2025
Justin came and diagnosed my 15 year old furnace. The care was awesome and explained the new features that my furnace has! Thank you!
Dave Caron
Feb 09, 2026
Superior HAVC St Catherine's was able to replace my broken furnace the same day I called.
Nov 01, 2025
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