Edit: one year later: tons of condensation build up around the window, which freezes and thaws, leaving a mess. When I emailed Vinyl Window Pro, they told me the humidity in my house is too high. I have multiple windows in the house and none of them had any condensation during the February cold spell (see pic attached comparing the Vinyl Window Pro window vs. the other triple pane IN THE SAME ROOM). I sent this info back via email and have not had a response in about a month. The sliders are also super tight and difficult to open (my wife cannot open it and needs to ask me to do it each time), which I was told helps "keep the window very sealed" - apparently not. I was initially impressed with the install process, but the product doesn't hold up to the sales person's promises. Will not be using again and NOT RECOMMENDED.
Vinyl Window Pro helped us take out an existing bay window and replace it with a large 8x3ft window for our kitchen along with a bathroom window replacement. They were very professional and did the job quick and right once we scheduled them in. Sam and Alexey were great to work with. Overall highly recommended for all windows.