A 7 ton AC unit cost is the total amount of money that it would cost to purchase and install a 7 ton air conditioning unit. The cost of a 7 ton AC unit can vary greatly depending on the size, brand, and efficiency of the unit. Generally, the cost of a 7 ton AC unit will range from around $5,000 to $15,000, depending on the factors mentioned above. Installation costs can also vary greatly, depending on the complexity of the job and the amount of labor required. In addition to the cost of the unit itself, you may also need to factor in the cost of any additional components, such as ductwork, wiring, and insulation. When considering the cost of a 7 ton AC unit, it is important to factor in all of these costs to ensure that you are getting the best value for your money.