So you would like to control your AC unit from your iOS or Android device? Air-Tune has you covered. It has sensors to detect human activity, temperature, and humidity. Air-Tune can be used with a wide variety of air conditioners. To get started, plug the device in, download the app, connect to WiFi, and you are ready to go.
You will be able to manage multiple air conditioners from one app. Costs under $120 at this time.