- Check thermostat operation
- Take amperage reading of blower motor
- Inspect condensate drain, flush if necessary
- Inspect condenser coil
- Inspect all electrical connections in condensing unit
- Check service values and service port caps
- Check compressor voltage
- Check contactor contacts for voltage drop
- Read and record compressor discharge gas temperature
- Read and record suction line temperature
- Read and record liquid line temperature
- Check temperature drop across evaporator
- Check unit operation according to charging calculator
- Clean furnace cabinet
- Cycle system through one complete cycle
- Review ProCheck Cooling Performance results with customer
- Review any appropriate indoor air quality issues with customer
- Review service agreement with customer