How to set up the tado° Smart Thermostat V3+ in 6 steps
Clear steps to get your tado° Smart Thermostat V3+ connected or back online. Start with the checklist and then follow the setup or troubleshooting steps one by one.
We could not fully consult the manufacturer's support page for this model; the steps are general and may differ in details.
What you need
- tado° app installed on your phone and logged into your tado° account
- Your Wi‑Fi name (SSID) and Wi‑Fi password ready
- Thermostat powered and wired to the boiler per the installation guide
- Access to your router settings or ability to check your phone's Wi‑Fi bands
Step by step
- Power on the thermostatMake sure the Smart Thermostat has power and that its display or LED is on.How you know it worked: The thermostat display or LED lights up.
- Open the tado° appOpen the tado° app and sign in; choose 'Add device' or 'Start installation'.How you know it worked: App shows the add-device screen.
- Select thermostat and follow promptsPick 'Smart Thermostat' and enter location and boiler type when the app asks.How you know it worked: App moves to the connection step or asks for Wi‑Fi details.
- Ensure 2.4 GHz Wi‑Fi is availableMake sure your phone is on the 2.4 GHz network or that your router exposes the 2.4 GHz band during setup.How you know it worked: You can see the 2.4 GHz network name in your phone's Wi‑Fi settings.
- Complete the connection in the appFollow the app instructions exactly — choose the Wi‑Fi network and enter the password when prompted.How you know it worked: App confirms the device has been added or setup completed.
- Verify boiler controlCheck that wiring is correct and test heating from the app to ensure the boiler responds.How you know it worked: Boiler fires when you start heating via the app.
Common problems
Smart Thermostat V3+ is offlineSmart Thermostat V3+ app can't find itSmart Thermostat V3+ reset
Frequently asked
Why does the app keep asking for my Wi‑Fi password?
The app needs your Wi‑Fi details to connect the thermostat; enter the password only into the tado° app.
Does the thermostat use 5 GHz Wi‑Fi?
tado° typically uses the 2.4 GHz band for local connectivity; use 2.4 GHz during installation.
Will I lose schedules after a reset?
Yes, a factory reset removes local settings; you'll need to set up schedules again in the app.
Can I link the thermostat to Google Home or Alexa?
Yes — link your tado° account to Google Home, Alexa or Apple Home via their respective apps.
Updated 2026-09-09