No, the A-Coil and the evaporator coil are not the same thing, though they are closely related. The evaporator coil is a component that absorbs heat from the indoor air, while the A-Coil specifically refers to the shape of the evaporator coil, which resembles the letter "A" when viewed from the side. The A-Coil is designed to enhance airflow and efficiency in central air conditioning systems, but both terms are often used interchangeably in casual discussions.