... -608-104-62.Feature of home-use portable evaporative coolera)Energy saving,environment-friendly,long working span,average cool down 4-12 centi ... ,opening concert,construction site,exhibition hallmtrailer,sentry bx,living room and dining room,etc.d)As the main refrigeration form is ... cooling effecient is affected by the humidity leve and temperatre of air.The drier and hotter the air is,the better it ...