On Wednesday, July 16, 2014 2:48:58 PM UTC-4, Stormin Mormon wrote:
On 7/16/2014 1:57 PM, Ed Pawlowski wrote:

If the fan is blowing air, you can feel where it is coming out. If

no air, check the coil. If air is passing, the coil is not frozen and

the unit is probably trash, not worth fixing.





Low refrigerant charge, easy enough to fix.



That would seem to depend on why the refrigerant is gone.
Unless something has failed refrigerant doesn't just disappear.