Advertised as air conditioners, arctic air, mist fans. Add water or ice, then consider it a swamp cooler.

Their effectiveness diminishes in high humidity. 

Alternatively hang a wet towel  or a bag of ice over your fan and you have similar results. 

🔴 Insure water does not drip on electrical motor compartment

Some of these coolers use up to 500 watts

Pictured below:  Google image search "Swamp Coolers"




สกลนคร Sakon Nakhon