We have a historic condo with floor-to-ceiling windows that are fully west-facing located in the desert. Due to it being both historic and a condo, the idea of covering the windows and blocking the view left our options to replace the windows limited. During the hours of 3pm - 6pm, it was unbearable to sit on the couch even with the shades down in the summer months as temps hit 110+ degrees. The Indow inserts, with the Museum filter, were a great solution. We can now comfortably sit during the afternoon hours and you don't even notice them there when the shades are up! Knowing that we have UV filtration also assures that I'm protecting furniture and paintings from damaging rays. Lastly, Indow makes the entire process of measurement, delivery and installation a breeze - we had 9 inserts installed within 2 hours. They fit well and the results were immediately noticed.