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 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
4.9/5
1206 reviews
Evan Krell
Oct 10, 2026
Very personable guys.will use them again!
Cameron Lovell
Sep 10, 2026
Our tankless heater kept shutting off mid shower. They cleaned the lines, flushed the units and replaced a temperature sensor that had failed. He explained everything in plain language, and didn鈥檛 rush the job the membership plan got a same-day service and a serious break on the cost.
TARUN R
Jul 24, 2026
Very respectful technician who explained the repair in terms I could understand. I felt informed throughout the visit
Dan Drakeford
Jul 08, 2026
Great job, fast service, thank you!
Deb Oldfield
Jul 07, 2026
Overall, I had a good experience. The repair turned out to be much more complicated than anyone expected, and in the end my air conditioner needed to be replaced rather than repaired. While it was frustrating to be without A/C during an extreme heat wave, the team was responsive, kept me informed, and worked to get everything resolved. The new unit is working great, and I'm very happy with the final result. I appreciate their professionalism and would recommend them.
Chandra Vanderboom
Jul 07, 2026
Superior was quick to service my broken water heater; next-day service and I had a new heater up and running. Very professional and friendly.
hirdthis
Jul 02, 2026
Technician came and accessed the problem installed new unit same day. Highly recommend.
Memer's Plaza
Jul 22, 2026
Our AC stopped cooling overnight, and they responded the same day. They replaced a faulty capacitor, and everything has been running perfectly since.
Jessy
Apr 25, 2026
Great company and great service. The AC replacement was done faster than expected, and the team was very respectful of my home. They explained the process clearly and made everything stress-free. My new system works perfectly and cools evenly throughout the house.
Deva
Jun 25, 2026
Superior HVAC fixed an issue with our air conditioner that was blowing warm air. The technician replaced a failed capacitor and the system was cooling properly before he left
Victor
Jul 23, 2026
Called about a strange burning smell coming from the vents. Technician found a wiring issue in the blower motor and fixed it safely before it became a fire hazard. Really appreciated the quick response
Michael Anderson
Jul 22, 2026
Superior HVAC Service upgraded our thermostat, making it much easier to control the temperature from our phone.
We will deliver Boilers Natural gas NTI to any of these cities
Oct 10, 2026
Ajax