If you have a Google Home speaker, you can configure it with the "Google Home" App available for iPhone and Android. For more information, you can consult the following page on the Google Support site: https://support.google.com/assistant
If you don't have a speaker, all you have to do is download the "Google Home" App on your smartphone, available in the APP Store for iOS and Google Play for Android.
The association of the Smarther to the APP "Amazon Alexa" it is advisable to do it after having correctly configured the Smarther through the APP Thermostat, so that, automatically, the already personalized names of your thermostats will be aligned.
First of all, you need to make sure that your Smarther thermostat is accessible from the Thermostat App.
Follow the steps below:
Aggiunta Smarther all'App "Assistente Google"
1-Touch "Add /+" to add the compatible Smarther object to the home
2- Touch "+ set up device" to add your Smarther thermostat
3- Touch "have something already set up?"
4- Search for "Smarther thermostat", then touch it
5-Log in to your Legrand account by entering your credentials (email + pasword)
6-Tap "Sign in" to allow Google Home access to your Smarther
Your "Google Home" has been configured and you can now control your thermostats using voice control.