I rarely take the time to write reviews, but these guys are great. I had them install a new AC unit, and rather than just install the same size unit, they sit down and do the calculations necessary to properly size your unit. Though it is not intuitive, an oversized unit actually costs you more money and makes you less comfortable, because it is constantly switching off and on. An oversized unit does not run long enough to remove the humidity, which is very important here in Orlando. When I called Shaw, Ken Eggert and Shareef came out and looked at the current system. They proposed a new location for the system, which would lead to greater efficiency. They installed a larger intake, again for increased energy efficiency. They were timely, and did a great job. I could not be happier with the new system and, more importantly, with the quality of service I received.