An AC Technician (Maintenance) installs, maintains, and repairs air conditioning (AC) and refrigeration systems in residential, commercial, and industrial settings. Responsibilities include inspecting systems, diagnosing issues, performing routine maintenance to ensure efficiency, repairing or replacing faulty parts, and communicating with clients about problems and solutions. Key qualifications often include a high school diploma, completion of an accredited HVAC program, relevant certifications (e.g., EPA 608), experience in HVAC or air conditioning systems, strong diagnostic and problem-solving skills, and physical fitness for manual tasks.