I've known Keith for a few years, and he has made a couple of visits to my house. Last week, I was out of town when the a/c unit conked out while it was 110 degrees. Keith worked with a friend of mine in coordinating a same-day visit to replace a worn out capacitor. It was certainly cheaper than replacing the whole unit. Keith has always been very friendly, professional and reliable. I will continue to recommend Keith to friends and family, and have no doubts as to his honesty and aptitude. He's just one of those guys you trust.