Mike was professional and willing to work with us on makiing the system work for us. Instead of installing a second sump pump we preferred to use the existing sump and he worked with us (others refused to use an existing working sump and wanted to dig a new one). He explained the type of system he would use and answered my questions. He was available by phone for follow up questions. The work was scheduled for 3 days but they completed in 2 (although the second day was until 8 pm). I was not present while they were working, and although there was a little dust in the basement, it was minimal so they must have protected the area while jackhammering. Hard to evaluate the system since we havent had any rain since, but it appears to be well done. They warranty the areas where they install the system so as long as you know where its coming in, you can be pretty sure you will be covered. Overall i am very satisfied with the work done.