System is operating properly and within refrigerant and air temperature specifications. Refrigerant pressures and temperatures are as follows, High 250psi with 10F Subcool, low 105psi with 12F Superheat. Delta t of air across indoor coil is 19F with new filter installed. Return temp 67F, supply air 48F. Tested indoor air coil for any refrigerant leaks with electronic refrigerant detector, none found. No issues were found or suspected with heat pump, indoor coil, or refrigeration.