Integrated ECM pump and DHW diverter valve on all models
Small zone valve systems may not require an additional pump or a low loss header
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
4.9/5
1218 reviews
Ruthe Lehner
May 24, 2026
We called Superior HVAC because our air conditioner was running constantly without cooling the house properly. The technician found a refrigerant leak and repaired it the same day. He recharged the system and checked all the airflow levels afterward. The cooling works perfectly now
DU Verse
Jun 25, 2026
Our heat pump was not switching properly between heating and cooling modes. The technician diagnosed the issue quickly and replaced the defective reversing valve component
We will deliver a NTI Boiler High Efficiency to any of these cities
May 24, 2026
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