Originally Posted by psfred

Check the temperature of the AC hoses while the compressor is running. The high pressure side must be warm or hot, the low pressure side must be cool to cold.

If you have a clogged evaporator valve (or one stuck open), you could have either no cooling or a freezeup of the evaporator, either one will cause the problem you have.

Someone may have also shorted the pressure switch on the reciever/dryer so that the compressor runs with no freon in it -- this will eventually damage the compressor.

Your problem is strictly related to no cooling (and hence no de-humidifying) of the intake air.

Peter