Windows aren't just glass anymore. Walk through any newer home in Houston, and you'll find coated panes, plastic skylights, tempered panels, and treated glass all sitting side by side. They all look similar. But they don't clean the same way.Use the wrong tool on the wrong surface, and you're not just leaving streaks. You're scratching, hazing, or permanently clouding something that costs a lot to replace. A good window cleaning service knows which surface it's dealing with before a single drop