Upon arrival the technician performed a preseason AC inspection. The technician started in the attic with replacement of the filter. And inspected the furnace, the drain lines, and the coil. The technician Then moved onto the outside unit, checked the electrical and the refrigerant, system working properly at this time. During the preseason AC inspection the technician inspected the hot water heater. The technician found that one of the flex lines of the water heater is currently leaking over the water heater. And causing rust buildup on top of the water heater. The technician spoke with the customer, and the customer notified the technician that the hot water heater has been draining out of the bottom of the house for the past three months. The technician called the office and is having joe come out to give them options on replacement. Filter size 20 x 25 x 4