Unit not cooling. Hooked up gauges and pressures were extremely low. Checked evaporator coil and coil was filthy. Also found dead ferret in evap coil. Removed ferret and spayed evap coil with no rinse spray. Ferret messed up insulation inside cased evap coil. Hooked up gauges and pressures were still off. Recommend replacing evaporator coil or replacing ac system. Emailed estimates over.