In the period of 1 087 days starting on January 20, 2022, analysis indicates viessmann.at underwent 2 accessibility tests. In the 2 out of all conducted checks, including the most recent one on December 30, 2024, which returned a code 200, viessmann.at has been reachable. No downtime incidents were noted for viessmann.at in inspections performed as of January 11, 2025. As of January 11, 2025, none of the replies that were received had any records of an error status. The December 30, 2024, response contrasted, being 0.148 seconds for viessmann.at against its 0.358 seconds average.