Our technician,Wilmer, arrived within the time frame we were given. He was extremely knowledgeable, pleasant, and he explained exactly what was being done. After he was finished, he left the work area spotless. I would highly recommend CSF Electric for all your electrical needs. If you are fortunate enough to be able to request a technician, Wilmer is excellent. However, we have used other technicians from CSF and they are all top notch.