Designer Series® (Designer Series® 750) Exclusive snap-in window fashion technology Based on 1908 ratings $$$-$$$$ Snap-in-between-the-glass blinds, shades and grilles. Blinds and shades available motorized. Window fashions and grilles protected from dust and damage – harboring fewer allergens compared to roomside window treatments. 53% – 74% more energy efficient than single-pane windows. 10 Available with integrated security sensors.