Evacuate / Recharge - Evacuated 1lb 8.50oz of R410A refrigerant. Supplied and installed 5lbs 2oz. Of New R410A refrigerant as per manufacturers specifications. Also found the schrader valve’s leaking. Replaced them both and checked for leaks, no more leaks from those areas. Could not check or verify proper operation of the unit, as the homeowners were not home to allow us access. Job completed.