
J R
Every time I close the app I need to log in again. That can't be right. The app itself is okay, connecting the bridge took 6 tries and a temporary hotspot but I managed to get it to work. Creating schedules took some time figuring out. Some improvements could be made there. Google Home and official Home Assistant support would be awesome.
Vaillant Group
October 14, 2026
Thank you for your feedback, we will pass this onto our developers. If you continue to be asked to log in, please contact us using the 'support' function in the menu. Please reference 304043.

Allan Phillips
Absolutely awful setup experience with multiple "Something went wrong" errors requiring many attempts, restarts and resets before it finally decided to work. However, now that it is set up and running it works well.
1 person found this review helpful
Vaillant Group
October 12, 2026
Thank you for your review Allan, I'm sorry to hear you experienced issues onboarding the gateway. If you have any issues in the future, please contact our technical team on 0330 100 3143.

foo bar
Since the latest update unusable - stuck at accepting updated T&C, which always ends with a "Network error". Since every other app can access the internet, the T&C open, when clicking the link, and this app did work before, the error has to be in the update. Shocking to see how little testing obviously was done before rolling out the update, leaving users high an dry who paid a lot for the equipment the app is intended for.
1 person found this review helpful
Vaillant Group
October 1, 2026
Thank you for your review, We performed a scheduled maintenance that night which unfortunately caused certain issues. If you are still seeing an issue, please email us at app.support@vaillant-group.com.