How much freon will recharge 2 ton unit?

A typical 2-ton air conditioning unit requires approximately 2 to 4 pounds of refrigerant, such as Freon, for a complete recharge. The exact amount can vary based on the specific model and manufacturer, as well as the unit's existing refrigerant levels. It's essential to consult the unit's specifications or a professional technician to determine the correct amount needed for optimal performance.