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
4.8/5
reviews
Corey Wachtel
Nov 18, 2025
Ryan from Superior HVAC Service performed a full duct cleaning and balanced airflow through each vent. The house feels evenly heated for the first time this winter.
Victor Turner
Dec 28, 2023
For years, the same technician has conducted semi annual checks on our AC and furnace since their installation. Always friendly and knowledgeable, he ensures he's looking out for our best interests rather than pushing unnecessary parts or services. Scheduling is easy online or via text, and communication and service quality are excellent. Working with this company is a pleasure.
Awstin Evans
Dec 19, 2025
Was having trouble with my furnace ignition, Justin showed up quick and was super helpful. thank guys!
We will deliver Viessmann 150 000 BTU Boilers to any of these cities
Nov 18, 2025
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