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
Miriam Szewczak
Oct 28, 2025
Mike from Superior HVAC Service completed a boiler tune-up and safety inspection. He cleaned the burners, checked the venting, and tested CO levels. The boiler now runs quietly and efficiently.
Kyle Cruz
Feb 07, 2025
Superior HVAC has never let me down in my two experiences with them. Always prompt, effective, and truthful service. My boiler is in like-new condition! Bravo to Conner, their technician.
Mika Morada
Feb 17, 2025
Quick response time! Tech named Ian was skilled and efficient. Air handler is running smoothly again. Great value for the price. Great job Superior HVAC!
Maria Pamela Ann Pascual
Oct 20, 2025
Our water heater was making strange noises, but Superior HVAC, Heating and Air Conditioning quickly diagnosed and fixed the problem. Michael the tech guy did not leave any mess. Hot showers are back! Professional and efficient service.
We will deliver Viessmann 150 000 BTU Boilers to any of these cities
Oct 28, 2025
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