Control your smart home devices with the Gemini mobile app on Android

You can control smart home devices that your Google Account can access, including those added later, with the Google Home extension in the Gemini mobile app. This includes the following smart home devices:

  • Lights & power, like lights, outlets, and switches
  • Climate control, like air conditioning units, thermostats, heaters, and fans
  • Window coverings, like curtains, blinds, and shutters
  • Media devices, like TVs and speakers
  • Other smart devices, like washers, coffee makers, and vacuums

What you need

Important:

Before you use the Google Home extension

Important: Home controls are for convenience only, not safety- or security-critical purposes. Don't rely on Gemini for requests that could result in injury or harm if they fail to start or stop.

The Google Home extension can’t perform some actions on security devices, like gates, cameras, locks, doors, and garage doors. For unsupported actions, the Gemini app gives you a link to the Google Home app where you can control those devices.

If you turn on the Google Home extension, your Gemini mobile app can:

  • Help you control and manage the same homes and devices in the Google Home app as your signed-in Google Account. This includes any homes and devices that are added later.
  • Access information about smart home devices that you may share with other household members in the Google Home app. Remember to keep household members in mind when you control these devices with the Google Home extension. Learn more about household members.

Connect Google Home to Gemini Apps

  1. On your Android phone or tablet, open Gemini .
  2. Make sure you’re signed in to the same account you use with Google Home.
  3. Ask the Gemini app to perform an action on a smart home device, like turn on living room lights.
    • Tip: If the Gemini app doesn’t use the Google Home extension, you can include @Google Home in your prompt.
  4. If you haven’t connected Gemini Apps to Google Home, you’ll get the option to connect it.
    • If you turn on the Google Home extension, you give Gemini Apps permission to access and control the same homes and devices as this account in the Google Home app. This includes any homes and devices added or shared with you later.
  5. Follow the on-screen instructions.

Tip: You can also turn the Google Home extension on or off in your Extensions settings. Learn how to turn extensions on or off.

Examples

  • Set the dining room for a romantic date night
  • Set the AC to a good temperature for sleeping
  • Turn off the bedroom TV and lights
  • The sun is too bright in the living room (to close window coverings)
  • Help me clean up the kitchen (to start vacuum)

Control smart home devices

There are a lot of smart home devices that the Google Home extension can help you control. The devices listed below are just a few of the common ones that are supported.

Control lights & power

Lights

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

Switches or outlets

  • Turn on/off [outlet name].
  • Turn on/off [switch name].
Control home climate

Thermostats

  • Turn on or off
    • Turn on heating/cooling mode.
    • Turn on heat-cool mode.
    • Turn off thermostat.
  • Set or adjust the temperature
    • Set the heat to [temperature].
    • Set heat-cool to [temperature].
    • Set the air conditioning to [temperature].
    • Set the [room name] thermostat to [temperature].
    • Make it warmer/cooler.
    • Raise/lower the temp.
    • Raise/lower the temp by 2 degrees.
  • Switch heating or cooling modes
    • Turn on heating/cooling.
    • Set thermostat to cooling/heating.
    • Turn thermostat to heat-cool mode.

Fans, heaters & A/C units

  • Turn on/off [fan, heater, A/C, device name].
  • Increase the temperature on my heater
  • Increase/decrease the fan speed
Control window coverings
  • Open/close [curtain name]
  • Open/close [blinds name]
  • Open/close [shutters name]
Control media devices
  • Turn on/off [TV name]
  • Turn volume up/down on [TV name, speaker name]
Control other smart home devices

Other devices, like a vacuum, washer, coffee maker & more

  • Start [device name]
  • Stop [device name]
  • Vacuum the [room]
  • Turn on/off [device name]

What the Google Home extension can’t do

How extensions work in Gemini Apps

  • Gemini Apps only use extensions that are on in your Extensions settings. This includes extensions you turn on when you specify them in your prompt with an "@" mention.
  • Gemini Apps check for extensions that can help it generate a more helpful response. If a Gemini app finds an extension that can help, it automatically sends information from your conversation and other relevant information to that extension. For example, Gemini Apps will send your location data to Google Maps if you ask for coffee shops near you and the Google Maps extension is on.
  • Gemini Apps won’t access your personal content in other services without your permission. Some Gemini Extensions are designed to automatically work with tools, apps, and content on your device to help you seamlessly interact with it.
  • If you directly interact with another Google service in Gemini Apps, your activity might be saved by that other service. For example, if you watch a YouTube video in a Gemini app, YouTube may:
  • Gemini Apps can use extensions to help you connect with third-party apps and services. When they do, Gemini Apps share information with those apps and services to fulfill your requests. That information is then used by those third-party apps and services according to their own developers' privacy policies.

Learn more about how extensions work with your personal data.

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