Stu turned Eval Arrived to what was supposed to be a tune up, performed inside portion of tune up correctly Noticed I didn’t have a delta in cooling Went to gauge up and had 0 psi Leak search with Nitrogen pressure Found source of leak to be rub out from true suction port on suction line Sealed line and pressure tested afterwards, did not have a leak and pulled vacuum down to 429 microns further clarifying what I had thought Charged to factory spec of 11 pounds Checked delta in cooling and heating and system was functioning great with 23 delta in cooling and 50 delta in heating Thank you for choosing Comfort Experts, have a great day