Mark was very friendly. He missed a few of my calls but did not take long to return it. He's very responsive over text as well despite his busy schedule. He had a flat tire at our scheduled time but still came as promised. The job was done smoothly and quickly. He and his associate (can't remember his name) was very informative on the winterization process, letting us know how each step was done and for what purpose. The price was comparatively reasonable, especially for homes with fewer sprinkler sections.