Fits any home and budget with high performance at an attractive price.
Extremely quiet operation; quieter than most refrigerators.
Low-emission combustion for environmentally-friendly operation. Less than 20 ppm NOx (at 3% O2).
Easy piping due to two sets of tappings, along with built-in pump and diverter.
Reliable on-demand domestic hot water with Vitodens 100-W, B1KE combi models.
Get the 120 000 BTU Viessmann Boiler 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 will deliver the boiler to you. Our team will handle the installation with efficiency and professionalism, ensuring a seamless setup.
Get a warranty
We offer a warranty that covers different parts and services. Even after the warranty expires, you can rely on our post-warranty services.
Why should you buy a Boiler Viessmann 120 000 BTU from us?
9.7/10
215 reviews
5/5
1238 reviews
Chelsea Margarette Kouji Talosig
Jul 10, 2025
Leaky water heater fixed ASAP. Courteous and knowledgeable tech guy named Daniel.Would definitely call them again. 5 stars for Superior HVAC, Heating and Air Conditioning
Khadidja Humad
Jan 31, 2025
Professional and FastWe’ve been having issues with our thermostat, so I called Superior HVAC Service. Liam arrived on time, diagnosed the problem right away, and had it fixed in under an hour. He was professional, friendly, and even took a moment to check the entire system to make sure everything was in working order. Highly recommend!
Nestor Sales. Florece Jr
Feb 05, 2025
Their technician named Kurtis even diagnosed my thermostat issue within minutes and repaired it efficiently. Very professional and knowledgeable! Awesome Superior HVAC Services!
We will deliver Viessmann 120 000 BTU Boilers to any of these cities