In Black Canyon City, AZ: DIAGNOSTIC- Upon arrival spoke with customer system can not get below 82 during the heat of the day. Cycled system. Checked output temperatures. Supply temperatures at 58 degrees from soffit but only 72 degrees at supplies in living. Inspected attic unit and ducting. Supply to living is jumped from soffit which is getting little to no air. There is a flex run in between coil and furnace that is in poor condition. Insulation in attic is very poor as well and home still has upducts spread throughout home that are 105-110 degrees. Recommend upsizing system to a 4 ton running new return and supply ducting. Insulating attic. Pending pricing reach out to gm during service call. Service complete.