Ray installed my radon mitigation system in one day and did a great job. He had to cut a hole from my basement wall to the outside and the pvc piping is a perfect fit. My vinyl siding was perfectly cut and he sealed the area with clear caulking to keep the chill and bugs out. The system has worked perfectly for over a year and when I did have a question it was answered immediately and explained well. The price was less than others that I had talked to had spent, but each situation is different. I felt the price was very fair.