A school cafeteria hood runs hard for a few hours a day, then sits cold through nights, weekends, and summer break. That rhythm fools many food service directors into thinking grease is a slow problem. In practice, school cafeteria hood cleaning in Connecticut has to match how a K-12 kitchen actually cooks: heavy bursts of breakfast and lunch production, ovens and kettles running hot, and then long gaps when nobody is watching the exhaust. Grease does not follow the school ca