A commercial A/C unit is a type of air conditioning system that is designed for use in commercial buildings. These units are larger and more powerful than residential air conditioners, and they are designed to provide cooling and ventilation for large spaces. Commercial A/C units typically have a higher cooling capacity than residential units, and they are designed to be more energy efficient. They are also more reliable and require less maintenance than residential units. Commercial A/C units are typically installed in large buildings such as office buildings, schools, and warehouses. They are also used in industrial and manufacturing facilities, as well as in hospitals and other medical facilities. Commercial A/C units are typically more expensive than residential units, but they provide a higher level of cooling and ventilation for larger spaces. They are also more reliable and require less maintenance, making them a cost-effective choice for many businesses.