The air circuit of the PG NEST incubator provides a quiet and comfortable environment, helping to reduce outside noise. The internal temperature is monitored and controlled on various points to ensure accuracy and safety, ensures 39 different alarms and 16 error messages. The conditions of the air, humidity, oxygen sensor, air flow probes and fan are also monitored with an accurate alarm system. An adequate monitoring system alerts the operator of the conditions of the technical and physiological parameters. A backup battery supports working conditions for at least 30 minutes.