Air/heating unit outside running but not blowing air into home
Was wondering if anyone would know, my main unit outside, will turn on,fans on it are running, but its not cooling house, no air coming threw vents in house, if we leave air/heating unit running outside ,it starts to sweat,theirs water on top of the unit, not sure if its freezing up or not ,it was running fine yesterday, turned it off for the day and opened windows, went to turn the unit on, it goes on ,the fan on the unit is running, but no air coming from vents in home, can anyone help, to know what my problem is. If you could I would appreciate the help.