The industrial ceiling fan provides for a good indoor climate in the summer and in the winter diameter 122 cm industrial can be adjusted in three stages power 553523 watt rpm 260195135 and is extremely smooth running and quiet the manufacturer provides a 10 year warranty on the motor a westinghouse brand product with style quality and reliability suitable for rooms up to 20 m in size rooms 35 m high or greater extension rods are recommended see accessoriesplease note the b