A/C Leaks Problem HELP HELP HELP.
I have had my air serviced this past weekend 6/21/2014 and while refilling the aire they said that they did not see any leaks and so i paid and left. Well well well five mins later as im going to eat my air goes out so i go back to the shop and they all looked shocked that im back so fast. So they tell me to bring it back monday so the can put it on a lift to see if i have a leak coming from under my car so i take it back monday and they had about i say 4 hours and then they call me and tell me that they couldn't find a leak no where. So my question is. where could the leak be coming from? Its hot outside and i need my A/C....