A 3 ton commercial AC unit is a type of air conditioning system designed for commercial buildings. It is designed to provide cooling for larger spaces, such as office buildings, retail stores, and warehouses. These units are usually much larger than residential AC units, and they are designed to cool much larger areas. The capacity of a 3 ton commercial AC unit is measured in tons, which is the amount of heat it can remove from the air in an hour. The larger the capacity, the more cooling power the unit has. A 3 ton commercial AC unit can provide enough cooling power to cool a large area, such as a warehouse or retail store. It is important to note that these units require professional installation, as they are much larger and more complex than residential AC units. Additionally, they require regular maintenance to ensure they are running efficiently and effectively.