ATS recharged my Air-Con in July 2022. I used it for the remainder of that summer. When I attempted to use it on the first warm day of 2023 it had reverted to the original poor operation. I contacted ATS who replied with this comment. "In relation to the air con regas service, a leak test and pressure test is conducted on all vehicles. During the test, if any faults regarding the air conditioning system are picked up the system will automatically stop the air con regas job. If no faults appear, the system will go ahead to the recharge the air con to the manufacturing standards. Having said this, in some cases if the vehicle has a small leak, the system may not be able to pick this up on and an air con regas will be carried out." So basically they test first but if there equipment does not pick up any fault which they admit can happen they will still re-charge. Also they offer no warranty. Everything appears to be in ATS favour leaving me out of pocket in having to have it recharged again. Awful service and awful Customer service.