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 Residential Boiler NTI 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 will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
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 NTI Residential Boilers from us?
9.7/10
215 reviews
4.9/5
1195 reviews
Dan Drakeford
Jul 08, 2026
Great job, fast service, thank you!
Chloe Brockington
Feb 27, 2026
We had a very good experience with Tyler. After a worrying late night gas leak on one of our pipes, Superior HVAC were able to come round almost immediately the next morning to diagnose and fix the issue same day. Thank you!
Jenna Setlock
Feb 02, 2026
Excellent job done by Ryan recently. Not only did we receive exactly the service we intended to get, but he was by far the most productive and professional employee I’ve seen in this field of work. Keep the business rolling guys!
KEN YOO
Apr 25, 2026
Thank you for handling the work diligently and responsibly.
Degala Sidhartha
Apr 27, 2026
One of the best HVAC service experiences I’ve had. The technician was friendly, experienced, and very efficient. They fixed the issue quickly and ensured everything was working properly. I would highly recommend them.
We will deliver Residential NTI Boiler to any of these cities
Jul 08, 2026
Ajax