Heating Checklist
All service technicians will use the below listed checks when performing a clean and check on a furnace. Also, a diagnostic visit should not only fix the apparent problem but incorporate these checks as well. To separate ourselves from the ordinary, we must give our customers extraordinary service.
- Check thermostat operation
- Check pilot ignition sequence (adjust pilot)
- Observe main burner operation
- Check flue draft on natural draft furnaces
- Test fan switch/heating fan relay operation
- Check primary limit operation
- Cycle furnace off, and record “fan off” temperature
- Visually inspect heat exchanger
- Check blower wheel for cleanliness
- Check blower motor to include bearings, belts, pulleys
- Check air filter (air cleaner)
- Check furnace temperature rise
- Fire furnace & leak check gas line from manual safety shutoff to main burners
- Test flue spill switch operation
- Check auxiliary limit switch operation
- Test draft safeguard switch operation
- Check humidifier operation
- Operate furnace through one cycle
- Clean furnace cabinet
- Review results with customer (IAQ-Plumbing-Electrical)
- Review service agreement with customer
Cooling Checklist
All service technicians will use the below listed checks when performing a clean and check on a A/C. Also, a diagnostic visit should not only fix the apparent problem but incorporate these checks as well. To separate ourselves from the ordinary, we must give our customers extraordinary service.
- Check thermostat operation
- Inspect filter at furnace
- Inspect blower assembly
- Inspect and lubricate blower motor
- Take amperage reading of blower motor
- Inspect condensate drain and flush if necessary
- Inspect condenser coil
- Inspect all electrical connections in condensing unit
- Check service valves 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 evaporator coil performance
- Check temperature drop across evaporator
- Check unit operation according to charging calculator
- Clean furnace cabinet
- Cycle system through on e complete cycle
- Reset thermostat
- Review results with customer
- Review IAQ issues with customer
- Review plumbing issues with customer
- Review electrical issues with customer
- Review service agreement
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