I was paying $ 3k for 2.5 ton units (rheem) to replace condensor and air handler, with electric heat. (biggerpockets.com)
Controlled by the ECU usually, by a multitude of inputs such as engine RPM, AC load, road speed (condensor airflow), emissions, idle, engine load (WOT?) (mechanics.stackexchange.com)
New engine batteryNew front shock absorbersA new 16» TV w / DVDA new backup Camera with hideaway monitorA new am / fm radioA new CB radio with antennaAdded refrigerator fanScan Gauge IISerpentine belt replacementTransmission servicedNew A / C condensor (corpuschristi.americanlisted.com)