No heat PTAC. Found system to be very dirty, indoor fan would run but not switch speeds. Power being sent to all the correct locations when designed to. Found broken heat kit and heat pump never ran. System is not designed to have refrigerant pressures checked as it has no refrigerant port to check. System was not fixed to the wall via mounting screws and just was sitting inside sleeve. Sleeve measures 40 3/8 wide 15 tall. Manufacturer is closed for holiday today. Will quote repairs Monday. Also will price out replacement unit on Monday as well. Customer is 95 year old currently using space heater to warm room. System beyond age of life expectancy..