What is a HVAC system?

HVAC basically stands for Heating, Ventilation and Air Conditioning. And it is a kind of automation system used to handle the air quality and thermal comfort given to the human environment for living. It is based on thermodynamics, fluid mechanics and heat transfer. Just like the various types of automation systems, HVAC is also a type of automation system. It is an important part while erecting high-rise buildings, commercial complexes, industrial units, hospitals, parking units, hotels, etc., where air quality and thermal parameters need to be maintained so that the surrounding employees can live comfortably.