Integrated ECM pump and DHW diverter valve on all models
Modulating Combustion up to 11:1
Small zone valve systems may not require an additional pump or a low loss header
Easy service access and quick component connections
Get the NTI High-Efficiency Boiler in just a few steps
Make an order
Contact us to buy a new boiler. Our team will guide you every step of the way and help you choose the right model.
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 NTI from us?
9.7/10
215 reviews
4.8/5
reviews
Dang Minh Nguyen
Dec 23, 2025
I had a timely response to my request for inspection and good feedback
Daniel Beatty
Dec 23, 2025
Our furnace broke down this year and we found Superior HVAC through researching for a licensed company local to us in the Niagara region. They were very quick to respond and get one of their technicians to work with us on installing a new furnace. Kurtis and his colleague worked very efficiently to remove the old furnace and install the new one making sure it's running and working perfectly before they left. Kurtis was very communicative with me and showed me the new system and how it works. We're very happy with the experience of working with Superior and their team. Pricing was very fair considering the quality of service provided. We will most definitely keep them in mind for future service calls
Maryalice Keirstead
Dec 24, 2025
Superior HVAC was awesome start to finish. They replaced our 20 year old furnace with their new product. Ryan was professional and left the work place very clean! I highly recommend!
We will deliver a NTI Boiler High Efficiency to any of these cities
Dec 23, 2025
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