... Reliable, long life. appliances: room heater, bath room heater, air condition heater. PTC air heater without insulator. For more information about ... much. The higher is the speed of airflow, the higher is the power. The heater can operate without airflow, but ... very low power.4) Appliances. Room heater, bath room heater, air condition heater, drying tank heater, clothes dryer, hand dryer. Part numberL ...