- Open the Google Home app and tap on the menu icon present at the top-left corner.
- Tap Home control
- Tap Rooms
- Tap the plus icon present at the bottom-right
- Select a room to add. To add a room that’s not listed, tap Custom Room at the bottom and tap Done
- Next, tap Devices.
- Select a device you want to assign to a room
- Tap Room
- Select the room you would like to assign the device to.