Fully-modulating input with 10:1 turn-down ratio eliminates energy waste.
Suitable for high altitudes up to 10,000 ft (3,000 m) with no power loss and automatic software vent length adjustment.
Extremely quiet operation; quieter than most refrigerators.
Get the 150 000 BTU Viessmann Boiler 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
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
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 150 000 BTU from us?
9.7/10
215 reviews
4.9/5
1182 reviews
Juliana Justin
Mar 14, 2026
Superior HVAC, they helped my family replace our 16 year old furnace. They came the same day I called and were extremely helpful. thanks for the help!
Robin Biji
Feb 03, 2026
Superior HVAC Sarnia provided fast and reliable furnace repair service. Booking was easy, communication was clear, and the technician fixed the heating issue without any delays. Honest pricing and professional workmanship throughout.
Ethan Holloway
Apr 29, 2026
Superior HVAC installed central air in my home, and I’m extremely happy with the results. The team was professional and efficient. The system cools perfectly. Great service.
We will deliver Viessmann 150 000 BTU Boilers to any of these cities