Your air conditioner’s one and only function, obviously, is to cool your home. With that in mind, you may not really give the development of ice on the system all that much thought. In fact, you may actually assume that ice building up on your air conditioner is a good sign. After all, the ice wouldn’t be there if your air conditioner wasn’t succeeding in cooling things down, right? Wrong. The truth of the matter is that ice developing on your air conditioner is never a good sign. If you see ice on your AC you should dial our number right away, as you may be in need of professional air conditioning repairs in Phoenix, AZ.