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 Natural gas Boiler 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'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 Boiler Natural gas NTI from us?
9.7/10
215 reviews
4.8/5
reviews
Stephanie Johnston
Jan 17, 2026
Fixed my 17 year old furnace. Very professional and efficient service !
jey trimble
Dec 17, 2025
My furnace stopped working on a very cold day, superior hvac was super quick to send out Ryan,who was super friendly and knowledgeable. He quickly diagnosed the problem and was able to have it repaired and running same day !
Nicolas Gumienik
Dec 24, 2025
Liam replaced me 20 year old furnace. The crew came within 6 hours and were very neat and tidy when installing !
We will deliver Boilers Natural gas NTI to any of these cities