Expanded technical support for heating contractors

Call our TechInfo center at 1-888-484-8643.

The Viessmann TechInfo center sets the industry standard for customer service and technical support. Whether installing or troubleshooting, our North American industry partners can access expanded technical support with a single phone call.

Each call will generate a detailed service record specific to the installation address. By recording your important product and support information in our database, repeat calls are fast and easy. Plus, your customers have the added benefit of product tracking for future system and product upgrades.

When calling the TechInfo center, please be prepared to answer the following questions:

  • What Viessmann model are you working on?
  • What is the 12, 16 or 18 digit serial number?
  • What is the installation address?
  • What date was the product installed?

Your time is important. With the TechInfo center, you can count on prompt and professional technical support. The next time on-site questions arise, be sure to call 1-888-484-8643!


Monday to Friday:   8:00 am to 8:00 pm (Eastern Time)

Schedule excludes statutory holidays


Technical support request form

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