The quality of the windows and sliding doors I bought is fantastic. The people who called me were friendly, informative, and they did follow up calls to make sure I am satisfied with the work, workers, and windows/doors. Bill is the greatest. He made my decision, to go ahead and do the job, so easy. GREAT GUYS. They worked hard, worked quickly, and were very friendly. Great. They even vacuumed my carpet in the areas they were working.