Walk through a Katy house at four in the afternoon in August and one room stands out. It is the room with the big west-facing window, and it feels hotter than everything around it, even with the air conditioning running. That room often decides how a family approaches residential window tinting Katy TX in the first place. That one room sits behind a quiet change in how people shop for window film. The old question was simple: how dark should the glass be? The questions now ar