Performed AC maintenance on 2010 carrier condenser. Tenet stated that system was not keep up With the desired temperature call on the thermostat. Also electric bills have increased due to this. Found multiple points of concerns that were addressed with Steve. 3.5 ton carrier- 1. Found the system was extremely low on refrigerant charge. This was caused by a refrigerant leak within the cycle. Refrigerant leaks will only get worse due to the leak not being sealed 2. System also has a potential restriction within the TXV due to this leak 3. Hermetic side duel secondary motor control has become week due to the compressor using more power over time 4. Contactor showed signs of pitting on contact points this component acts like the brakes for the system 5. Recommended that leak dye injected into the system 6. Outdoor condensing fan motor had a oil leak is coming from bearing this could potentially lead to the motor locking up or overheating Discussed full condition with Steve and he’s comp