Very knowledgeable and friendly people who do a great job. Very professional and neat. The windows we purchased are high quality, durable and not over priced. They look nice and add value to our home. They are far superior to the original windows in our 20 year old house. I love how clean and clear they are and easy to use and maintain. We can already tell a difference in our cooling cost. The installation took just over a day with the trim and finish work completed the next morning. Very happy with the product, the sales staff and the installation crew.