Control smart home devices

You can control smart home devices including lights, switches, plugs, and thermostats using most Assistant-enabled devices.

For example, you can say:

"Hey Google, set the heat to 70."
"Hey Google, turn on lights in the kitchen."

Important: 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

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

Step 3: Set nicknames for devices

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

On your Android phone or tablet, open the Google Home app .
At the bottom, tap Home .
Touch and hold the device you want to rename.
At the top right, tap Device settings Device information Device name.
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

On your Android phone or tablet, open the Google Home app .
At the bottom, tap Home .
Touch and hold your device.
At the top right, tap Device settings Device information Placement.
Tap a room 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.

On your Android phone or tablet, open the Google Home app .
At the top right, tap your Profile picture or initial Assistant settings.
Under "All settings," tap Home control the service.
- You might need to reconnect your account with the service.
You'll find new devices that aren't assigned to a room.
Follow the steps to set a nickname for these devices and add them to a room.

Rename a room

On your Android phone or tablet, open the Google Home app .
On the "Home" tab, tap the room name Room settings .
Under "General," tap Name.
Enter a new room name.
Tap Save.

Delete a room

On your Android phone or tablet, open the Google Home app .
On the "Home" tab, tap the room name Room settings .
Tap Delete room 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].

Stream security cameras

You can stream your camera on any Chromecast-enabled device, like a TV with a Chromecast, Smart Display, or Smart Clock.

Show [camera name].
What’s on [camera name]?
Play [camera name] on [device name].
Show [camera name] on [device name].
Stop [camera 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.

On your Android phone or tablet, open the Google Home app .
At the top right, tap your Profile picture or initial Assistant settings.
Under "All settings," tap Home control.
Under "Linked services," tap the account you want to disconnect Unlink account 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

Check to see if your Philips Hue bridge:
- Has power
- Has all its top lights on
- Is plugged in to your Wi-Fi router
See if your Philips Hue bridge has been paired with the Philips Hue cloud. To check:
- Make sure your devices appear in https://my.meethue.com/en-us/my-devices
- Make sure your bridge appears in https://www.meethue.com/en-us/user/bridge
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.