AC 15-Point Checklist
- Thermostat Operations - Check settings, display, and temperature accuracy.
- Power Supply - Inspect breaker, disconnect, and electrical connections
- Air Filter - Clean or replace if dirty
- Indoor Evaporator Coil - Check for dirt, icing, or damage
- Outdoor Condenser Coil - Clean debris, dust and buildup
- Refrigerant Level - Verify charge is correct, check for leaks
- Compressor Condition - Inspect operation and unusual noise / vibration
- Condenser Fan Motor - Check running condition and blade balance
- Blower Motor - Inspect airflow and motor performance
- Capacitor and Contactor - Test condition and proper function
- Drain Line and Drain Pan - Clear blockages and check for leaks
- Ductwork - Inspect for leaks, loose joints, or airflow restrictions
- Airflow at vents - Confirm even cooling and proper circulation
- Temperature Split - Measure return vs. supply air temperature
- Overall System Performance - Check cooling cycle, noise, and efficiency
Heating 15-Point Checklist
- Filter Inspection & Cleaning / Replacement
- Thermostat Calibration & Testing
- System Settings / Control Review
- Blower Motor & Airflow Testing
- Burner Cleaning & Inspection
- Electrical Connections / Wiring Inspection
- Carbon Monoxide (CO) testing / Safety Checks
- Heat Exchanger Inspection
- Safety Switches / Shut-Offs Testing
- Ignition / Pilot System Check
- Condensate Drain / Trap inspection & Clearing
- Lubrication of Moving Parts
- Performance Measurement & Diagnostic Readings
- Proper Cycling Verification
- Written Report & Recommendations