Holiday schedule for technical support in 2023
Technical support at Viessmann Canada will be closed on the dates listed below.
Our normal business hours are 8:00 am to 8:00 pm (Eastern Time) Monday through Friday.
Our office will be closed for the Victoria Day holiday on:
- Monday May 22, 2023
We will be back to regular hours on Tuesday May 23.
If you have a Viessmann fault code, please take a look at our Fault Code Checker for troubleshooting information.
If you are looking for a contractor in your area, please visit our Contractor Locator.