They did an excellent job. I had been experiencing a lot of problems with my home air conditioning system for a period of years, and they were the only company that actually managed to locate and fix the issue. The technician who did the repair arrived promptly, he was courteous to me when we spoke, and he did a very thorough job of finding what was causing the trouble my air conditioner was having, which I am extremely happy about. I will definitely recommend their services in the future.