Windmill Legacy is a free iPhone app developed by The Air Lab Inc. It falls under the category of Utilities & Tools, specifically designed to enhance the functionality of your Windmill AC. With this app, you can conveniently control and optimize your AC settings from anywhere.

The main features of Windmill Legacy include the ability to remotely control your AC, allowing you to turn it on or off even when you're not at home. This is particularly useful if you want to ensure a comfortable temperature before you arrive or if you accidentally leave it running when you're away.

Additionally, the app allows you to set schedules for your AC. You can customize the timings for when your AC turns on or off based on your lifestyle and preferences. This feature helps you save energy and maintain a comfortable home environment without the need for constant manual adjustments.

Furthermore, Windmill Legacy provides an easy-to-use interface for adjusting your Windmill AC settings. Whether you want to change the temperature, fan speed, or mode, you can do so effortlessly with just a few taps on your iPhone.

Overall, Windmill Legacy offers a convenient and efficient solution for controlling and optimizing your Windmill AC. With its user-friendly interface and remote access capabilities, you can effortlessly create the perfect home environment while saving energy.