AAA Calvert just finished putting AC in my house and I understand why they are so highly rated. We just moved into a two story home that had never had central air before. It took three days to complete the job, and there were quite a few workers here each day, but each worker we encountered was professional in every way, and very courteous and polite. We dealt mostly with Jason and Jeff, and both of them were very patient when we had questions, and took time to explain what was happening each step of the process. The workers cleaned up every day and tried to make sure that the equipment left behind was not a nuisance or an eye-sore. Also, dealing with Laurie at the office is a pleasure. She is cheerful and wants to make her customers happy and comfortable with the entire process. It should be obvious that I would highly recommend using AAA Calvert for AC installation or repairs.