Home/Away Google Home routine is set to turn off a smartthings virtual switch when go home using geolocation or vocal commands. When turn off switch any Evohome quick action is disabled an heating is resume to normal schedule. The advantage is that the Evohome quick action is disabled when any member of the family comes home not only when the one who has the phone set with ifttt go to home.
Then
Disable a quick action
This Action will remove any existing quick action at your location and set your heating system to follow the schedule.
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