What is the power of the air conditioner?
There are both the west window and the top floor, at least 300W per square meter;
If there is a west window or both top and Xishai, per square meter of at least 250W;
If the top, Xishai accounted for one, according to the calculation of 200W per square meter;
First of all, the amount of refrigeration required per square meter is 150W;
