Use a smart AC with built-in Wi-Fi and the manufacturer’s app
Install a smart AC controller that connects to your phone and sends IR signals
Use a universal smart remote app if your AC supports phone control through Wi-Fi or IR
Connect the AC and phone to the same Wi-Fi network
Pair the AC or smart controller with the app by following the setup steps
Turn the AC on, off, change temperature, fan speed, and mode from the app
Use voice assistants linked to the app if supported
Set schedules and timers in the app for automatic control
Use geofencing features if available to automate AC control based on location
Keep the app and firmware updated for reliable connection and security