“How often should I clean my AC ducts?” sounds like it should have a simple answer, but the honest one is that it depends on where and how you live. A schedule that suits a mild climate does not suit the UAE, where dust, humidity and near-constant cooling all accelerate how quickly ducts get dirty. At Mega Meter, we base the recommendation on real conditions rather than a generic global rule. Here is a practical UAE schedule and the factors that move it.