Gen3: Temperature offset

Last updated: October 29, 2026

Gen3 has a temperature offset setting in the Mysa app. Use it when the temperature on Gen3 is different from the temperature on a reliable room thermometer. Gen3 then uses the corrected reading to control the heat.

How it works

The offset increases or decreases the temperature that Gen3 uses by the value that you select. For example, Gen3 shows 21°C, and a thermometer in the same room shows 22°C. A +1°C offset makes the two readings the same.

The default is no offset. Change the offset only for a difference that stays constant. Do not change it for a short draft or for sun on Gen3.

When to use it

  • Gen3 is near a heat source, a sunny window or an appliance.

  • Gen3 is on a drafty wall or an exterior wall.

  • You compared Gen3 with a different thermometer, and the difference stays constant.

How to set it

  1. On the home screen of the Mysa app, tap your Gen3.

  2. Tap the Settings tab.

  3. Tap Thermostat Preferences.

  4. Under Temperature Offset, tap Offset Value.

  5. Select the offset that is equal to the difference that you measured. Then tap Done.

After you change the offset, wait until the room temperature is stable. Then examine the result.

Related settings on Gen3

  • Smart Early On can start the heat before a scheduled setpoint. Gen3 learns how long the room takes to heat up.

  • In the Settings tab, you can also set Hardware Lockout Options, Heater Type and Temperature Format.

If you do not see Temperature Offset, make sure that your Mysa app is up to date. Also make sure that you selected your Gen3. To examine the model, select your Mysa in the Mysa app. Then go to the Settings tab > Thermostat Info. For Gen3, Model shows Mysa Baseboard V3.

Email: support@getmysa.com