Natural air / airconditioner

When we open the window, stale air in the room change fresh air out of room.
but dirty air hold the present conditions continue because airconditioner grew up usage.
So, we offer the window air conditioner.
The capabilities of the existing windows of the air-conditioning and is controlled by the temperature
of the air Working to open the window for fresh air outside of them, came also as a warm or cool air
temperature can be adjusted.
The window air conditioner always give a refreshed air.