A preventative maintenance and calibration service for an ultra-low or laboratory freezer includes a full system inspection, performance check, and temperature accuracy verification. During the visit, the technician checks temperature stability, verifies alarms and sensors, inspects door gaskets, evaluates compressor and fan operation, and thoroughly cleans the condenser coils to improve efficiency. Calibration is performed using a certified temperature device to ensure the freezer is reading accurately and meets compliance or documentation requirements. A service report is provided with findings, calibration results, and recommendations to keep your freezer operating safely and reliably.