The main thing think about is to discover the amount of British Thermal Units (BTU) needed. The more BTU, a lot more calories cooling delivers. One guideline that should be employed is as follows: should the room is 150 square feet, a 7,500 BTU air conditioner will meet the requirements to cool the element. If there is double the space, 300 square feet, an ac unit with 10,000 BTU will see the needs for...