Very personable and friendly sales. Office personnel were very responsive and professional. Schedule manager, who managed the installation, was very competent, responsible, and responsive in accommodating schedule, managing installation, meeting expectations, and addressing requests or concerns. WOW warranty and quality materials. Although we are pending a follow-up visit, we feel we can trust WOW to follow up and address any concerns or questions to our satisfaction. We knew we were getting quality material. WOW has shown they provide quality installation and a commitment to quality services.