Mysa Firmware 3.1.1 MYSA AC ONLY

Last updated: May 20, 2026

Version: 3.1.1 · Released: May 17, 2021 · Type: Firmware · Applies to: Mysa Smart Thermostat for Ductless Mini-Split Heat Pumps

  • AC mode support (Heat, Cool, Dry/Dehumidify, Fan)*

  • Auto mode support*

  • Fan Speed support*

  • Mode conflict notification when heating/cooling (with other Mysa products)

  • Scheduling

  • Google Home/Apple Homekit/ Amazon Alexa support

  • AC Usage by Day, Week, Month (app feature)

  • Geofencing/Shortcuts

  • Temperature correction

*support and function based on your existing AC unit