In swimming pool equipment manufacturing, huge hot air cooler was produced in Guangzhou Wanda swimming pool equipment warehouse. Due to poor working environment in the production process, employee productivity is greatly reduced. Factory Workshop about 2000 square meters. Factory Workshop is not installed Xingke air cooler before, inside room temperature about 32 degrees Celsius. After 20 units of Xingke outboard standard ecofriendly and energy saving air cooler (18,000m3/h airflow) is installed , indoor temperature quickly drop to 24~28 degrees Celsius.