Performed preventative maintenance on AC system for customer. Changed out air ranger filter in master bedroom and also adjusted louvers to help keep filter in place and from making noise. Inspected blower assembly, motor, electrical components, evaporator coil, ductwork and overall condition of equipment in attic. Cleaned condenser coil thoroughly. Inspected fan motor, compressor, contactor, capacitor, coil and operation of condenser. Checked thermostat operation, amps, temperatures and pressures of condenser. System is cooling properly within manufactured specifications at this time.