The initial step in obtaining AC installation in Watertown is figuring out just what AC size you need to have. You want a unit that has enough power to cool your home, but buying an air conditioner that is too large would be costly and less comfortable. When you already know what you want, the next thing to do is to have the AC installed. You ought to make sure that a critical job like this is carried out correctly, so refrain from wasting time and possible injuries and inquire to a respectable AC professional for any free quote about your system. For a basic, 2-ton unit, don't be surprised to pay around $2,015, a mid-range one will run somewhere around $5,000, and superior quality AC systems can crawl as high as $10,078.