Ordinary glass (shown first) is hydrophobic, causing water to “Bead” and sit on the glass longer. SmartGlass365
(shown second) is hydrophilic which causes water to “Sheet” off the glass and dry cleaner and faster. after 14 Minutes Smartglass is completely dry, 99% Spot Free. After 42 Minutes ordinary glass is still wet and covered with spots. Made exclusively for and installed by Illinois Energy Windows & Siding, Inc., SmartGlass365 is the highest quality, energy efficient glass available on the market. You’ll enjoy Worthington Windows for years to come, without the spots or the high energy costs to heat and cool your home.