Dehumidifiers; Freezers; Humidifiers; Refrigerators; Air-conditioning, air cooling and ventilation apparatus and instruments; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air conditioners; Beverage cooling and ice dispensing machines; Electric fans with evaporative cooling devices; Electric heating fans; Evaporative air coolers; Heat generators; Heating installations; Heating units for industrial purposes; Portable electric heaters