We started having trouble a few days ago with our Garage Door not fully closing - it would reverse at the height of the door Sensors. We suspected a problem with the Sensor Wires or the Sensors themselves, as they are about 10 years old. Pavel took a look and determined that the metal framework on our garage door protruded quite close to the area that the Sensors are focused on, and it is possible that the hot weather was a contributing factor. He adjusted the Sensors, which seems to have resolved the problem. I would definitely contact Garage Door Geeks again for any future issues with my garage door.