Firmware 3.12.11.37 (AC) MYSA AC

Last updated: May 20, 2026

Version: 3.12.11.37 · Released: August 8, 2022 · Type: Firmware · Applies to: Mysa Smart Thermostat for Ductless Mini-Split Heat Pumps, Mysa Smart Thermostat for Electric Baseboard Heaters V2

BB2 & AC: Pairing improvements General bug fixes AC-only: Off mode & Auto mode improvements