Conducted heating maintenance visit for both units. At this time, both units are operating as they should. Cleaned outdoor coils on condenser units. Mechanically at the condenser at this time, everything is testing great. Up in the air handler for the upstairs unit everything was working great as well. For the downstairs air handler, customer inquired about options for the condensation drain line. He stated earlier in the summer it filled with water. Since then, customer has been blowing out condensation drain line every couple of days. Further inspection showed no blockage in the conversation drain line. Indoor coil was clean as well. Primary drain pan did show some residue. Advised customer that more than likely, there was a blockage in the condensation drain line, but since it was remedied and no signs of flow issue were found he should not need to blow it out every few days. Customer also inquired about a condensation pump . After explaining this to the customer, he decided he want
