No, a competent AC repair person can fix the unit. It uses the same
refrigerant and technology that a home AC does. Just be careful when it
comes time to take the cover off. It will be brittle.
OTOH a new AC unit will be much quieter.
Charlie
>Hello all: The original Armstrong AC has finally given up the ghost (I
>think). Fan works but won't cool. If I remember correctly, these are sealed
>units so once it stops cooling, the solution is get a new one. Is this correct?