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 Condensing Gas Boiler Viessmann in just a few steps
Make an order
Contact us to start the process of purchasing a new boiler. Our customer support team will guide 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
After the assessment, we will deliver the boiler to you. Our experts will carry out 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 Condensing Gas Boiler Viessmann from us?
9.7/10
215 reviews
4.9/5
1182 reviews
Tom Corley
May 05, 2026
Drew is a really cool guy 👍
Stephen Hyde
Jun 24, 2026
Great work for my AC tune up. Were ready for summer!
Harish Menon
Feb 03, 2026
Happy with the furnace repair service from Superior HVAC Sarnia. The technician was knowledgeable, professional, and took the time to explain what caused the problem and how to avoid it in the future. My heating system has been working perfectly since.