The Complete Matter Device List
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The Mill Floor Thermostat from Mill connects to your smart home over Wi-Fi. It joins your existing network directly, without a Thread Border Router or extra hub, and your Matter controller reaches it through your home router.
Wi-Fi Band
Most Matter Wi-Fi devices only connect on 2.4 GHz. If your router combines 2.4 and 5 GHz under one SSID, split them to avoid issues.
Same Network
Your phone, your controller and the device must be on the same network. Guest networks and separate VLANs can block Matter.
Power Use
Wi-Fi uses more power than Thread, so most Matter over Wi-Fi devices run on mains power instead of batteries.
Every Matter device needs a Matter controller, like a smart hub, display or speaker. See all Matter hubs →
The Mill Floor Thermostat is certified on Matter 1.4, released in November 2024. It added solar panels, batteries, heat pumps, water heaters and home routers with Thread built in. It also brought energy management, easier multi-platform setup and longer battery life for sensors.
Yes, but only a Matter controller from your platform, not a separate bridge. The Mill Floor Thermostat connects straight to your home network. The controller can be an Apple home hub, a Google Nest speaker, an Amazon Echo or Home Assistant.
Yes. Matter runs on your local network, so the Mill Floor Thermostat keeps working when your internet goes down. Remote access, voice assistants and some Mill cloud features may still need a working connection.
Yes. The Mill Floor Thermostat is Matter certified, so it works with Apple Home, Google Home, Amazon Alexa, Samsung SmartThings and Home Assistant, as long as the platform supports Energy Monitor, Temperature, Thermostat devices. Support for newer device types can differ per platform.
No. Any Matter hub can set up and control the Mill Floor Thermostat without the Mill app. Some advanced features may not be part of Matter yet, so settings like firmware updates or special modes can still require the Mill app.
Open your smart home app, choose to add a device and scan the Matter QR code on the Mill Floor Thermostat or its packaging. You can also type in the 11-digit Matter code instead. The app guides you through the rest. Keep the code safe, you need it again after a reset.
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