Action AC is seeking an experienced HVAC Service Technician to diagnose, repair, and maintain residential and light commercial heating, air conditioning, and indoor air quality systems. You'll perform preventative maintenance, troubleshoot system issues, recommend solutions, and educate customers on repair options and energy efficiency. Work with a safety-first, customer-focused team that values professionalism, integrity, and continuous training. Use your technical skills in a stable environment with year-round work across San Diego County and surrounding areas. Responsibilities Diagnose and repair residential and light commercial HVAC systems Perform routine and preventative maintenance on heating and cooling equipment Troubleshoot electrical, mechanical, and airflow issues Communicate findings, repair options, and recommendations to customers Document work performed, parts used, and system conditions accurately Follow all safety procedures and company standards on every job Collaborate with dispatch and office staff to manage daily workload Participate in ongoing technical training and certifications Required Skills HVAC diagnostics and troubleshooting Residential HVAC service Light commercial HVAC service Preventative maintenance Refrigeration cycle knowledge Electrical and mechanical repair Reading wiring diagrams and schematics Combustion and gas furnace service EPA 608 refrigerant handling Customer communication and service documentation