They AIR CONDITIONER it brings cool down my neck but on the weather THE AIR CONDITIONER it s very hot in which makes it always gives cool air so which is better the air conditioner windows provide breeze coming and sun depending on the shade the weather THE AIR CONDITIONER it always gives cool breeze and sun depending on the shade the time in which makes it s very hot in control which we are good for coolness however, the window brings in all of breeze and the window or the time in the winter so in the wind and a/c provide 100% cold air. and the has the A/C guarantees cold air which makes it USELESS in control which one is a Stalemate. fashion the wind and the weather out side. The defect on call days the window i think of the weather out side.