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
5/5
1163 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.
James Black
Feb 19, 2026
The team at Superior HVAC Service, Heating & Air Conditioningdid an amazing job replacing our old gas furnace. They were prompt, professional, and the installation was seamless. They kept the workspace clean and explained everything before they left. The new unit is efficient and quiet—highly recommend them!
Jacob Moon
Feb 12, 2026
Our old and tired furnace died in the morning in February and Elio had the new one installed by the afternoon. He was great about showing us the various models and helping us select one that was good for our budget. We are thrilled with our new one, and happy to have a warm house again in this chilly winter!
David Alex
Feb 19, 2026
I recently had my furnace replaced by Superior HVAC Cambridge and couldn’t be happier with the experience. From the initial consultation to the final installation, the team was professional, knowledgeable, and incredibly efficient. They took the time to explain my options clearly and helped me choose the best system for my home and budget. The installation was completed on time, and they left everything spotless when they finished. My home is already noticeably warmer and more energy efficient. I highly recommend Superior HVAC Cambridge to anyone needing a reliable and stress-free furnace replacement!
Neha Koley
Feb 10, 2026
Superior HVAC Service, Heating & Air Conditioning repaired my furnace when it stopped producing heat. They responded quickly, arrived on time, and explained the issue clearly before starting the repair. The furnace was fixed efficiently and tested thoroughly before they left.
We will deliver Residential NTI Boiler to any of these cities
Nov 01, 2025
Ajax