Apple HomeKit Setup — Mysa for In-Floor Heating

Add your Mysa for In-Floor Heating to Apple HomeKit to control your floor heating with Siri voice commands and automate temperature changes throughout your home.

Requirements

To use Mysa for In-Floor with Apple HomeKit, you'll need:

• iOS or iPadOS device — iPhone, iPad, or iPod touch running iOS 14.3 or later
• Home app — Apple's built-in home automation app on your device
• 2.4 GHz Wi-Fi network — Your thermostat must be connected to your home Wi-Fi (HomeKit uses this connection)
• HomeKit-enabled device — Optional hub device (HomePod, Apple TV, or iPad) for remote access and automation
• Mysa account — Required for Options 1 and 2 only. Not needed for HomeKit Only setup.

Tip: A HomeKit hub lets you control and automate your thermostat even when you're away from home. Without a hub, you can only control it when you're on the same Wi-Fi network.

Setup Options

Mysa for In-Floor supports three HomeKit setup paths. Choose the one that works best for you.

Option 1: Pair to Mysa First, Then Add to HomeKit

Use this option if you want to manage your thermostat in both the Mysa app and Apple HomeKit.

Step 1 — Pair to Mysa:

1. Open the Mysa app on your iPhone or iPad
2. Tap Add a Thermostat and follow the on-screen pairing instructions
3. Connect your thermostat to your 2.4 GHz Wi-Fi network when prompted
4. Complete the Mysa pairing flow until your thermostat appears on the Mysa home screen

Step 2 — Add to HomeKit:

1. Open the Apple Home app on your iPhone or iPad
2. Tap + in the top right corner and select Add Accessory
3. Tap More options if your thermostat doesn't appear automatically, then select it from the list
4. Scan the HomeKit QR code on your thermostat or its packaging, or enter the 8-digit setup code manually
5. Assign your thermostat to a room and give it a name
6. Follow the on-screen prompts to complete the HomeKit pairing
7. Your thermostat is now available in both the Mysa app and the Home app

Option 2: Pair to HomeKit First, Then Add to Mysa

Use this option if you prefer to start with HomeKit and add the Mysa app later.

Step 1 — Pair to HomeKit:

1. Open the Apple Home app on your iPhone or iPad
2. Tap + in the top right corner and select Add Accessory
3. Tap More options if your thermostat doesn't appear automatically, then select it from the list
4. Scan the HomeKit QR code on your thermostat or its packaging, or enter the 8-digit setup code manually
5. Assign your thermostat to a room and give it a name
6. Follow the on-screen prompts to complete the HomeKit pairing

Step 2 — Add to Mysa:

1. Open the Mysa app and sign in or create an account
2. Tap Add a Thermostat and follow the Mysa pairing flow to link your thermostat to your Mysa account
3. Your thermostat is now available in both HomeKit and the Mysa app

Option 3: HomeKit Only

Use this option if you want to control your thermostat exclusively through Apple HomeKit and Siri — no Mysa app or account required.

1. Open the Apple Home app on your iPhone or iPad
2. Tap + in the top right corner and select Add Accessory
3. Tap More options if your thermostat doesn't appear automatically, then select it from the list
4. Scan the HomeKit QR code on your thermostat or its packaging, or enter the 8-digit setup code manually
5. Assign your thermostat to a room and give it a name
6. Follow the on-screen prompts to complete the setup
7. Your thermostat is now available in HomeKit — no Mysa account needed

Note: With HomeKit Only, you won't have access to Mysa app features like schedules, usage history, or advanced temperature modes.

What You Can Control via HomeKit

Once added to HomeKit, you can:

• Set target temperature — Ask Siri to raise, lower, or set a specific temperature
• Monitor current temperature — View the current floor or ambient temperature from HomeKit
• Include in scenes — Add your thermostat to HomeKit scenes (e.g., "Good Night" scene turns off heating)
• Create automations — Set temperature changes based on time, location, or other triggers
• Use with other HomeKit devices — Combine heating control with lights, locks, and other accessories
• Access remotely — Control your thermostat from anywhere with a HomeKit hub

Important: HomeKit shows temperature control only. You cannot switch between Ambient and Floor temperature modes via HomeKit — use the Mysa app for mode changes.

Siri Voice Commands

Once your thermostat is in HomeKit, you can control it with Siri. Common commands include:

Note: Siri responds to the room name you assigned during HomeKit setup. Make sure your thermostat is assigned to the correct room for accurate voice commands.

Troubleshooting Connection Issues

Thermostat doesn't appear in HomeKit

• Verify your Mysa is connected to your 2.4 GHz Wi-Fi network (check the Mysa app or thermostat display)
• Restart the Home app and try adding the accessory again
• Ensure your iOS device is on the same Wi-Fi network as the thermostat
• Check that your thermostat is properly paired (via Mysa app or HomeKit setup)

HomeKit can't control the thermostat

• Confirm your HomeKit hub is online (check Home app settings)
• Restart your HomeKit hub (unplug for 30 seconds, plug back in)
• Remove the thermostat from HomeKit and add it again
• Check that your Mysa app is fully updated from the App Store (if using Options 1 or 2)

Siri commands aren't working

• Make sure you're using the correct room name assigned in HomeKit
• Check that HomeKit has the latest data by opening the Home app
• Verify the thermostat is responding in the Home app (not offline)
• Try rephrasing the command (e.g., "set the floor to 25" instead of "set the floor heating to 25")

Automation isn't triggering

• Verify your HomeKit hub is online and up to date
• Check that conditions in the automation are correct (room, temperature, time)
• Make sure the thermostat is assigned to the correct room
• Test the thermostat manually from the Home app to confirm it's responsive

Still having issues? If you continue to experience problems, our support team can help troubleshoot your HomeKit setup. Contact support@getmysa.com