JHCOOL Evaporative air cooler work outdoors all year round and need to face the harsh environment of long sunshine, high temperature and high humidity. It is almost impossible to find such a huge non-metallic volute on the market to make centrifugal fans.Metal material volutes are prone to rust and are noisy
In 2024, the verification and formal production of the high-strength centrifugal fan volute assembly made of special plastics have made JHCOOL centrifugal air coolers take a prominent step in the 18000 m3 /h air volume market.