An air conditioning system needs a maintenance service at least twice or thrice a year but if you notice these signs, you need to get in touch with professional technicians: 1) If your AC isn’t cooling like before, the reason might be the blocked water strain or filter, which needs to be cleaned as soon as possible. 2) If you are experiencing high AC bills, you need to have your AC system checked by licensed technicians who will inspect and diagnose the core problem. Despite cleaning and maintain the AC unit, we make sure to check if there are any loose electrical connections. 3) Window seal should also be checked on a regular basis, otherwise, the air will pass out of the room. This will not cool the area as expected and can also lead to the higher electricity bills. 4) If there is water leaking out of your AC system, make sure to get it cleaned as there might be blocked AC parts.