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
4.8/5
reviews
Tameem qader
Jan 07, 2026
My furnace went down on New Year’s Eve so I called superior hvac they sent Tyler over he was on time and extremely professional. Unfortunately my furnace had to be replaced but they had it installed the same day. I highly recommend Superior HVAC!!
Jian Jon Manuel
Feb 16, 2026
Good service
We will deliver Viessmann 120 000 BTU Boilers to any of these cities
Jan 07, 2026
Ajax