HVAC stands for heating, ventilation, and air conditioning. HVAC systems are an important thing to have because it helps you live in a comfortable, healthy life whether it’s at home, work, or in your car. HVAC helps the air quality indoors for a safer environment. Its energy-efficient and its goal are to provide comfort and clean indoor air. traditional split systems are also used in some commercial but mostly in residential buildings. They can be installed in ready to move in spaces.