I trust these guys with my home. There were times I needed service to my a/c unit, but couldn't take time off from work to wait for them to come. I trusted them enough to leave the door unlocked, they let themselves in, did what they had to do, and let themselves out, locking the door behind them. I know that sounds crazy, and it would be, if I didn't trust these guys so much.
They were always prompt, would squeeze you in on the hottest day of the year when they had 100 other calls, and always had a fair price for the work they did. They are professional, courteous, and always call you back, no matter what time of the day. They were also honest about the work they did, never trying to rip me off. Because of all of this, I recommend these guys to everyone I know.