To supply and install a new Goodman/Amana PTC093G35AXXX PTAC 9K BTU 230V 3.5KW system. Will need to recover refrigerant from current system and charge new unit. Test operation. Went to shop and picked up new PTAC. Inspected unit. Saw what was belied to be oil. Performed leak search. No leaks. Drove to site and checked in with customer. Plugged unit in to verify operations before install. Unit worked. Removed old PTAC. Installed new.