Yes, cleaning an aircon almost always results in a noticeable improvement in cooling performance, as removing the dust and debris that has built up on the evaporator coils, filters, and blower fan allows air to flow freely through the unit and improves its ability to absorb and expel heat efficiently. A clean aircon reaches the set temperature faster, maintains it more consistently, and distributes cool air more evenly throughout the room compared to a dirty unit struggling to perform with clogged components. Many Filipino households report that their aircon feels like new after a thorough professional cleaning, particularly if the unit had not been serviced for six months or more.