I made the mistake of letting a tire company fix my air conditioner in my car. The car was in the shop for 4 days. $906! Less than a month later I was bringing it back in. (blowing warm) They said they cleaned the O rings and it held pressure for 10 minutes and chilled down to 35 degrees. It has been an extremely cool spring/summer so I didn't have much chance to test it but 3 weeks later it blowing warm again on a 75 degree day. So naturally it back in the shop again. They don't have the equipment to test it properly because it wa... read full review »