The answer to 'average cost for central air' is that the typical range for a central air conditioning system installation can vary widely, usually between $3,000 to $10,000 or more. The final cost will depend on factors like the size of your home, the complexity of the installation, the efficiency of the system, and your local market conditions.
Smaller homes may only need a basic 1.5 to 2-ton system, which can cost $3,000 to $5,000 installed. Larger homes or those requiring more complex ductwork may require a 3 to 5-ton system, which can cost $6,000 to $10,000 or more. Additionally, high-efficiency models, zoned systems, and other customizations can further increase the price. It's essential to get multiple local quotes to understand the specific costs for your home.