HVAC Preventive Maintenance Efficiency Log
Date
Technician
Location
Equipment ID
Model
Efficiency Measurements
Check
Before Maintenance
After Maintenance
Unit
Remarks
Supply Air Temp
°C / °F
Return Air Temp
°C / °F
Voltage
V
Current
A
Filter Condition
Belt Condition
Refrigerant Pressure
psi / kPa
General Observations
Recommendations / Next Steps