1. High efficiency:  In the hot and dry area cooling can reach 4 to 15 degree rapidly.

2. Energy saving: Running low power consumption, 1 degree per hour cost.

3. Environment protection:Without compressor, refrigerant, no pollution, low noise.

4. Healthy: Provide fresh and clean air continuously, increase air oxygen levels.

5. Simple and convenient: Easy to assemble and operate, and less maintenance.