Air-conditioning, air cooling and ventilation apparatus and instruments; Air conditioning apparatus; Air conditioning installations; Air cooling apparatus; [ Charcoal grills; ] Dampers, namely, control devices used in air ducts to regulate the flow of air; Electric fans; Electric fans for personal use; [ Electric grills; Extractor hoods for kitchens; Gas grills; ] Ventilating exhaust fans; Ventilating fans for commercial and industrial use; Ventilation hoods