http://www.actionduct.com/ .... Action Duct began its business in 1978 servicing the unique needs of restaurants in Greater Los Angeles. Today, our restaurant kitchen expertise is recognized far and wide.kitchen exhaust cleaning is required for virtually every commercial cooking establishment in the United States. Restaurants, hospitals, hotels, employee cafeterias and other food-service locations have a “hood” and ductwork over the stove to exhaust smoke, steam, and fumes out of the building.