The window I replaced was a 58″x58″ slider. The seal had broken and there was a lot of water & condensation between the panes. The new window is beautiful. I like that it slides open from both sides. The screen also slides so one screen may be used for both windows. The window is in my east facing kitchen. The low e coating keeps the kitchen very cool in the summer morning. With the old window I had to keep the blinds drawn until the sun had passed overhead. Initially I was unprepared for the loss of glass area with the replacement window. But I quickly became accustomed to it.
Before I decided on this window I frequented the replacement windows forums & I read the Consumer Reports article on replacement windows. Then I got bids from three other window companies on Champion, Marvin, and Thermolite Composite windows. I also went to Menard’s & got quotes on Jeld-wen & Crestline windows. Although the windows were only $320 & $455 I would still have had to find a good window installer. So would probably have paid the purchase price of the window to have it installed. Strong Windows quoted the lowest price at $685.