How many 1957 Chevy 2 door hardtop's had factory air condition?

In 1957, it is estimated that around 3,500 to 4,000 Chevrolet Bel Air 2-door hardtops were equipped with factory air conditioning. This option was relatively rare at the time, making these models highly sought after by collectors today. The addition of factory air conditioning was a luxury feature that significantly increased the vehicle's appeal.