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
5/5
1238 reviews
karla gaerlan
Jan 30, 2025
Our heater broke down in freezing weather, and they responded immediately. The technician named Brian was professional, explained the issue clearly, and got it working fast. Couldn’t be happier! You guys are awesome Superior HVAC Services.
Charles Hendrich “cha” Antipuesto
Jan 29, 2025
Huge thanks to Jacob of Superior HVAC and air conditioning for your prompt action in replacing parts of my old furnace. It runs like it was bought yesterday. Good job!
Catherine Tremblay
Jun 10, 2025
Jemmar was very professionnal and very polite. Great service
gurleen kaur
Feb 10, 2025
My boiler started making strange noises, so I contacted Superior HVAC Service. Farid arrived on time, diagnosed the issue right away, and had it repaired quickly. He even checked my furnace to ensure everything else was working properly. Excellent service from a knowledgeable technician!
sabrina sky
Jan 31, 2025
When my furnace started blowing cold air, I reached out to Superior HVAC Service. Ian arrived right on time, explained the issue clearly, and got straight to work. In no time, the heat was back, and he even took a moment to inspect my boiler. Definitely a company I’ll trust for future HVAC needs!
Bad Benny
Feb 08, 2025
Superior HVAC is truly superior! George replaced our outdated boiler with a modern, energy-efficient model. The installation was flawless!
Hutt Ted
Oct 24, 2023
A few weeks ago I hired this company for water heater installation. They were very polite and extremely informative. I learned a lot about my HVAC system maintenance. Exceptional service!
We will deliver a NTI Boiler High Efficiency to any of these cities
Jan 30, 2025
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