| Item | Status | Comments |
|---|---|---|
| Thermostat operation | ||
| Temperature differential | ||
| Airflow/ventilation check | ||
| Filter condition | ||
| Coil cleanliness | ||
| Fan/motor operation | ||
| Electrical connections | ||
| Refrigerant level | ||
| Condensate drain | ||
| Duct integrity/insulation | ||
| System noise/vibration | ||
| Control system settings | ||
| Energy consumption review | ||
| Other observations |