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 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
4.8/5
reviews
Zenaida Arahan
Nov 01, 2025
Superior HVAC Heating and AirConditioning replaced my water boiler fast and professionally. The tech named Farid was neat, knowledgeable, and friendly. Excellent customer experience from start to finish. Highly recommend!
May Joy Vallejo
Oct 31, 2025
Superior HVAC Heating and AirConditioningprovided outstanding water heater repair service. The technician named Daniel was prompt, courteous, and completed the job efficiently. I appreciated their professionalism and transparent pricing. Will hire again.
Maha Estefan
Oct 28, 2025
James from Superior HVAC Service repaired our furnace after it started making a loud humming noise. He replaced the blower motor, cleaned the compartment, and tested it twice. The system runs smooth and quiet now under our Superior Membership
Maritzy Vanessa Cruz Nah
Feb 04, 2025
Kurtis repaired my air handler, and the process was smooth and stress-free.
Roshan Markandu
Jan 19, 2026
Great Service! Aaron was very professional, explained the issues and offered pricing to rectify the issue
Furanshi Uzumaki
Nov 02, 2025
Our broken water boiler was fixed within hours. Expert repair work! Tech guy named George did not leave any mess. We are very happy customers with Superior HVAC Heating and AirConditioning
We will deliver Residential NTI Boiler to any of these cities
Nov 01, 2025
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