Trustworthy and reliable
For me, it is important to find an honest business that is not out to bilk you for every penny they can. I recently used AirMaster to repair a compressor in one of my AC units. I dealt with John, and he was an outstanding individual that was completely honest, and took the time to answer every question I had before, during, and after the repair.
I'd highly recommend these guys as a business you can trust.