Qatar has a tropical desert climate with a maximum temperature of 50℃ in summer. The project is located in the coastal desert of Qatar and is an open football stadium. Traditional air conditioners have very high energy consumption and extremely unstable performance under high temperature conditions. In addition, the football stadium is an open venue and requires 100% fresh air cooling. The cooling requirements are very high and traditional air conditioners are difficult to handle. Clivatex is the world's leading provider of evaporative cooling and hybrid air conditioning technology solutions. IDEC (Hybrid) air conditioners developed specifically for the dry desert area have the highest performance hybrid evaporative cooling with more than 50% higher energy efficiency than normal AC