We have used R&R Mechanical Services for several years. My plumber first recommended them to me. They are very courteous and knowledgeable people. They recently came out to perform the routine maintenance on the heating and air system. They also helped me out several years ago, when I needed a new heater installed in my business. Their customer service is particularly good. In fact, they almost overkill the communication aspect, making sure that their customers know when they are coming out. Overall, they provide excellent service at a reasonable cost! I have been very happy with them!