What is included in an AC tune-up?

System Cleaning & Sanitation – Surface clean and disinfect evaporator and condenser coils – Chemically clean and flush the condensate drain line – Inspect and clean drain pan – Verify proper condensate flow and test safety switches (if equipped) ✔️ Performance Testing & Measurements – Check refrigerant pressures – Measure temperature splits (supply/return) – Verify subcooling and superheat readings – Record compressor amperage and fan motor amperage – Measure voltage and system start-up performance – Check static pressure across the duct system – Inspect airflow and verify proper blower operation ✔️ Electrical & Mechanical Inspection – Tighten all electrical connections – Inspect contactor, capacitor, relays, and wiring condition – Check blower wheel cleanliness and balance – Inspect outdoor fan motor and blade condition – Verify proper thermostat operation and calibration – Inspect ductwork for visible leaks or restrictions ✔️ Documentation & Benchmarking – Run a full operational report on the system – Record all performance metrics for historical benchmarking – Maintain a digital record for future diagnostics and warranty support – Provide recommendations based on system condition and performance trends