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 Condensing 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
Once your order is confirmed, we will promptly visit your location and conduct a thorough inspection, ensuring all necessary details are clear.
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
Our warranty covers various parts and services, and even after its expiration, we provide reliable post-warranty services.
Why should you buy a Condensing boiler NTI from us?
9.7/10
215 reviews
5/5
1272 reviews
Devon
Sep 30, 2025
Zack was very knowledgeable and a great help getting our knew tankless water heater installed 👍
Patrick Jones
Dec 12, 2023
The technicians were all friendly and immediately addressed the issue with our furnace, which had suddenly stopped working.
Juliet D'Silva
Feb 03, 2025
We hired Superior HVAC to take care of our furnace in our rental property and they did an amazing job! Reard was really nice and professional!!! Thank you so much for your services!
Robyn Goodhue
Mar 27, 2025
Conner came out and inspected my boiler, it was an old wiseman boiler and I was worried it wouldn’t be operational anymore and thankfully he came and spoke with me about the repair process— only one 3 way aviator and my boiler is working again, thank you so much Conner!!
Charles Flores
Oct 21, 2025
The technician named Drew from Superior HVAC, Heating and Air Conditioning was on time, courteous, and very knowledgeable. He quickly identified the problem with our water softener and fixed it perfectly.
We will deliver a boiler NTI condensing to any of these cities
Sep 30, 2025
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