You should also go to the BBB website and send a formal complaint. They are required to respond within a certain time frame. This will help resolve 2 major installation issues: 1. Cheap, unqualified, disrespectful installers will be fired. 2. After realizing they have nobody to do installations after #1 occurs, they will pay installers a respectful wage along with proper training for retention. With enough people taking action, things can improve.