i have a question about airconditioning systems

Yes, it's called Direct Digital Controls where you have programmable software, various architectures, and hardware components to control various air Conditioning Controllers operating all the components necessary to control Energy management Systems.

This includes controllers, various communications devices and the full complement of operational software necessary to have a fully functioning control system.

The process of controlling an HVAC system involves three steps. These steps include first measuring data, then processing the data with other information and finally causing a control action. These three functions make up what is known as a control loop.

mechatronics?