A 7.5 ton package unit is a type of HVAC system that is typically used in commercial and industrial buildings. It is a self-contained unit that combines both heating and cooling functions in one package. It is usually placed on the roof or outside of the building and is connected to the ductwork system. This type of unit is usually more energy efficient than other types of HVAC systems and is designed to provide maximum efficiency with minimal noise. The 7.5 ton package unit is designed to handle large loads of air conditioning and heating and is capable of providing cooling and heating for a large area. It is also capable of providing air filtration and air purification. This type of unit is ideal for larger buildings and can be used in a variety of applications.