Breadcrumb Home/ Interplay Learning - Leak, Evacuation, and Charging/ Leak, Evacuation, and Charging Leak, Evacuation, and Charging Duration 2 hours 0 minutes Language English Learn how to locate a leak by using soap bubbles and an electronic leak detector on a residential system. After repairing the leak evacuate the unit and then use the subcooling method to charge it. Back to Course Title Interplay Learning - Leak, Evacuation, and Charging