Who needs Alexa when you have Siri? tvOS 10 allows you to control your various smarthome devices from the Apple TV using just your voice. Here's how to take advantage of such a feature and control your home without even busting out your smartphone.

Related: What Is Apple HomeKit?

Before you can use Siri on the Apple TV to control your smarthome devices, you first need to make sure that these devices are compatible with Apple's HomeKit platform and that HomeKit is officially set up on said devices. Most smarthome devices will include HomeKit in the initial setup process when you go to install them for the first time, but if not, there's usually a place in the settings where you can set up HomeKit after the installation. This process involves scanning a code on the back of the device using your iPhone.

Once your smarthome devices are set up and HomeKit is ready to go on these devices, you can begin controlling them using Siri on the Apple TV (or any other Apple device for that matter).

To do this, simply start by pressing and holding down the Siri button on your Apple TV remote.

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While holding the Siri button down, say something like "Set the thermostat to 73" if you want to change the temperature on your HomeKit-enabled smart thermostat. Or if you have Philips Hue lights, you can say "Turn on Living Room lights".

Granted, in order to get specific and say which room to turn the lights on from, you'll need to customize HomeKit and set up different rooms. You can usually do this within the smarthome product's app itself or within the new Home app on iOS 10 devices.

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In any case, after you say a command, Siri will tell you that it completed the task and confirm the action on the screen.

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There's nothing specific that you need to set up separately on your Apple TV in order to get Siri smarthome control to work, so once you have your smarthome devices set up with HomeKit, you can immediately begin controlling them using Siri on the Apple TV.