Why a Clogged AC Drain Tube Can Cause Hidden Costly Damage

Every air conditioning system works by cooling the air, which inevitably causes condensation (water) to form on the evaporator core inside your dashboard. This water is meant to exit the vehicle through a dedicated drain tube. When this tube becomes clogged—usually by dust, debris, or biological growth—it creates a hidden, expensive problem that many owners don"t discover until it"s too late.