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
Buy new Boiler Only Heating NTI in just a few steps
Make an order
Order your new boiler today by contacting us. Our dedicated customer support team will assist 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 will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
Get a warranty
We offer a warranty that covers different parts and services. Even after the warranty expires, you can rely on our post-warranty services.
Why should you buy a Heat Only Boiler NTI from us?
9.7/10
215 reviews
4.8/5
reviews
Kevin Josh
Dec 12, 2023
They exceeded my expectations with great service.I appreciate their help and also the cool and comfortable installed system.
Zain Hussain
Dec 13, 2025
Ryan from Superior HVAC fixed our gas valve, highly recommend he was a great guy!
Madison Fleck
Oct 29, 2025
Evan from Superior HVAC Service ran a combustion analysis on our gas furnace. He adjusted the air-to-fuel ratio and optimized performance. It runs better than it has in years.
Kyruss Abellon
Oct 21, 2025
Our water softener stopped working, and Superior HVAC, Heating and Air Conditioning came to our rescue. Daniel quickly diagnosed the problem and had it fixed in no time. Great service!
We will deliver Heat Only NTI Boilers to any of these cities
Dec 12, 2023
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