A few days ago we noticed a loud buzzing coming from our year old ac unit. Called andservices, who did the installation a year ago. Their tech came out the same day i called Troy. He arrived just before a thunderstorm he was very polite and got right to work. Was an easy fix as a clip was hitting the cover. He said with the vibrations sometimes things get loose. Thank you for fixing it and coming out during this weather that we have...