I don't know about the degree of work these folks do... They never showed up. They were supposed to come out one day, they called me as requested and confirmed the time... that time came and went, an hour later I called to see what happened. He said he was about to call me and could we reschedule for the next day. I said sure and he confirmed time and date. He never showed up and never called.
Don't waste your time... call someone else that will actually show up to the job.