thanks for the reply. i read some of your suggestion to others and came to the conclusion that the air handler unit ( i guest it has the condenser coil in it) needed to be cleaned. so i went ahead and called for help and i'm happy to say that you were right! service man checked everything from...
help! out unit has frost on compressor. samething with larger pipe on inside unit. some cool air coming out but something's not right. what could it be? unit is 7 years old.