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
1200 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!
Clyde Leaño
Jul 12, 2025
Tyler, a technician from Superior HVAC, Heating and Air Conditioning, provided excellent service and a smooth repair for my water softener that wasn't regenerating properly. I'm very happy with their prompt response.
Fatima Roncalis
Jul 16, 2025
Service was excellent! Their tech guy Reard diagnosed a capacitor issue and replaced it promptly. Air is flowing strong again. Great experience with Superior HVAC, Heating and Air Conditioning
Kimberly Gonzaga R.
Jul 5, 2025
Water heater leaking—repaired same day. Clear communication with their tech guy named Drewand clean work. No more worries with Superior HVAC, Heating and Air Conditioning
Ariadna Noriega
Nov 2, 2024
He was very kind and professional
Richard Drayton
Jun 5, 2025
Hot water tank malfunctioned. New one installed within four hours without hassle.excellent service.
We will deliver a NTI Boiler High Efficiency to any of these cities
Jan 9, 2025
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