Integrated ECM pump and DHW diverter valve on all models
Modulating Combustion up to 11:1
Small zone valve systems may not require an additional pump or a low loss header
Easy service access and quick component connections
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
319 reviews
John S.
Jan 9, 2025
George came from superior hvac in an hour of me calling them to diagnose my water heater.Found issue quick game me solution.I had a new water heater installed same day.Thank you superior hvac and George
Franca Sauro
Jan 9, 2025
I had an outstanding experience with George.He diagnosed an issue with my water heater and his professionalism and expertise were truly impressive.He was punctual, courteous, and well-prepared.He identified the root cause of the problem and took the time to explain everything clearly, making sure that I fully understood the situation and the solutions. He not only fixed the problem but went above and beyond to check for any potential issues, ensuring everything was working perfectly before leaving.Thank you, George, for a job exceptionally well done!
Donald Nolan
Jun 18, 2024
Had an issue with our central HVAC at home, called early in the morning, someone picked up the phone and was able to schedule an appointment same day. Brian showed up at the house, was professional and courteous to show me what our problems were and provided solutions/suggestions to fix. Thank you!
Roula Karras
Jan 9, 2025
Service was great and fixed my furnace quickly. George was very informative and performed a thorough inspection. He was very patient.
Justin Glover
Sep 20, 2023
The guys were generous with information that saved me time, money and headaches. They took the time to help me and give me the right tips on my furnace installation at no cost. Thank you again!
We will deliver a NTI Boiler High Efficiency to any of these cities
Jan 9, 2025
Ajax