Air conditioning apparatus, air conditioning installations, air cooling apparatus, air deodorizing apparatus, air filtering installations, ionization apparatus for the treatment of air, air purifying apparatus and machines, air reheaters, air sterilizers, bedwarmers, beverages cooling apparatus, desiccating apparatus, air dryers, hair dryers, drying apparatus and installations, heating elements, evaporators, fans (air conditioning), electric fans for personal use, filters for air conditioning, freezers, heat exchangers (not parts of machines), heat pumps, heat regenerators, heating apparatus, electric heating apparatus, electric laundry dryers, electric coffee percolators, electric radiators, refrigerating apparatus and machines, refrigerating appliances and installations, refrigerating cabinets, refrigerating chambers, refrigerating containers, refrigerators, water heaters, water heaters (apparatus)