Control smart home devices

You can control smart home devices including lights, switches, plugs, and thermostats using your Google Assistant speaker, Smart Display, or Smart Clock.

For example, you can say:

  • "Ok Google, set the heat to 70"
  • "Ok Google, turn on lights in the kitchen"

Note: The languages you can use depend on the device. Learn which languages work on your device.
 

The Google Assistant and your connected home

Smart devices you'll need

You’ll need smart devices that work with your Google Assistant. Explore devices you can use.

Step 1: Set up your devices

If you haven’t already, set up your smart home devices by following the steps provided by the device maker.

Step 2: Connect devices to your Google Assistant

  1. On your phone or tablet, open the Google Home app Google Home.
  2. At the top, tap Add Add.
  3. Tap Set up device.
  4. Under "Works with Google," tap Have something already set up?
  5. Tap the manufacturer, then follow the steps.

Step 3: Set nicknames for devices

You can choose names to call your smart home devices, for example, "ceiling light" or "Ben’s lamp."

  1. On your phone or tablet, open the Google Home app Google Home.
  2. On the Home tab, tap the device you want to rename and then Settings Settings.
  3. Under "Device info," tap Name.
  4. Enter the new name, then tap Save.

Step 4: Assign devices to a room

To control your devices more easily, assign them to a room. For example, if you assign lights to your bedroom, you can say "Turn on lights in the bedroom."

Add a device to a room
  1. On your phone or tablet, open the Google Home app Google Home.
  2. On the Home tab, tap a device  and then Settings Settings.
  3. Under "Device info," tap Room.
  4. Tap a room and then Save.
Check for new devices

You can check for new devices that haven’t been assigned to a room. If you’re using SmartThings, skip to the steps below.

  1. On your phone or tablet, open the Google Home app Google Home.
  2. At the bottom, tap Account Account and then Settings Settings.
  3. Tap Assistant and then Home control. In the "Devices" tab, you'll see new devices as ‘No room assigned.’
  4. Follow the steps to set a nickname for these devices and add them to a room.

Check for new SmartThings devices

  1. On your phone or tablet, open the Google Home app Google Home.
  2. At the bottom, tap Account Account and then Settings Settings.
  3. Tap Assistant and then Home control.
  4. In the "Devices" tab, at the top right, tap More More and then Manage accounts and then SmartThings.
  5. Tap Check for new devices and then select a location in the dropdown and then Authorize.
  6. At the bottom you’ll see the number of devices added. Follow the steps to add the devices to a room
Rename a room
  1. On your phone or tablet, open the Google Home app Google Home.
  2. On the "Home" tab, tap the room name and then Settings Settings.
  3. Under "General," tap Name.
  4. Enter a new room name.
  5. Tap Save.
Delete a room
  1. On your phone or tablet, open the Google Home app Google Home.
  2. On the "Home" tab, tap the room name and then Settings Settings.
  3. Tap Delete room and then Remove.

 Step 5: Control devices using commands

Say "Ok Google" or "Hey Google," then say a command:

Control lights
  • Turn on/off [light name].
  • Turn on/off all of the lights.
  • Turn on/off lights in [room name].
  • Dim the [light name].
  • Brighten the [light name].
  • Set [light name] to 50%.
  • Turn [light name] green.
Control thermostats

Turn on thermostat

Note: You must say a mode.

  • Turn on heating/cooling mode.
  • Turn on heat-cool mode.

Turn off thermostat

  • Turn off thermostat.

Set the temperature

  • Set the heat to 68.
  • Set heat-cool to 72.
  • Set the air conditioning to 70.
  • Set the [room name] thermostat to 70.

Adjust the temperature

Note: You can say "temp" or "temperature."

  • Make it warmer/cooler.
  • Raise/lower the temp.
  • Raise/lower the temp 2 degrees.

Switch heating or cooling modes

  • Turn on heating/cooling.
  • Set thermostat to cooling/heating.
  • Turn thermostat to heat-cool mode.

Find out the temperature

  • What’s the thermostat set to?
  • What’s the temperature outside?
Control switches or outlets
  • Turn on/off the [outlet name].
  • Turn on/off the [switch name].

Disconnect devices from your Google Assistant

If you no longer want to control your smart home devices using your Assistant, you can disconnect your account.

  1. On your phone or tablet, open the Google Home app Google Home.
  2. At the bottom, tap Account Account and then Settings Settings.
  3. Tap Assistant and then Home control.
  4. In the "Devices" tab, at the top right tap More More and then Manage accounts.
  5. Tap the account you want to disconnect and then Unlink account and then Unlink.

Fix problems

Google Assistant support: Can’t discover home automation device

Google Assistant can’t control device

To try fixing the issue, rename your device. Read the tips below, then follow the steps to set a new nickname.

Tips for renaming your device:

  • Don’t include numbers, special characters, or room names.
  • If you’re naming lights connected to plugs or switches, add "plug" or "switch" to the nickname.
  • Avoid similar names (for example, "Table light left" and "Table light right").
Can’t pair Philips Hue bridge with Google Assistant
  1. Check to see if your Philips Hue bridge:
    • Has power
    • Has all its top lights on
    • Is plugged in to your Wi-Fi router
  2. See if your Philips Hue bridge has been paired with the Philips Hue cloud. To check:
  3. Connect your phone and Philips Hue bridge to the same Wi-Fi network and router.

If those steps don’t work, try restarting your phone and the Philips Hue bridge. If you have questions about your Philips Hue bridge or need more help, contact Philips.

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