Every couple of months, when the greasy buildup on the kitchen exhaust fan starts looking like a science experiment, it's time to call for professional hood cleaning. They show up with industrial degreasers and steamers, dismantling the entire hood system—filters, baffles, and ductwork—then scrub until the metal is shiny again. It's not just about aesthetics; a greasy hood is a fire hazard waiting to happen, and a deep clean keeps the ventilation working right. professional hood cleaning 6