As a engineer, I am very detail oriented when it came to making decisions about windows and installations. UltraWindows was an A+ company to deal with. Randy was incredibly patient with all my questions and concerns, and really catered to my level of detail. We went with a Don Young thermally broken Aluminum style window, both retrofitted in brick and behind new siding. UltraWindows does an outstanding job of installation, both in foaming, fixing, taping and caulking the windows, but explaining this process in detail. They literally left no footprint upon leaving, with their clean-up as detailed as their installation. I even had to get a window replaced due to a mix-up, and Randy worked quickly to make this happen with no fuss. Choose these guys - you will not regret it.