Air conditioners; air purifiers; humidifiers; dehumidifiers; ventilating apparatus; ventilating installations; air cooling apparatus; air heating apparatus; air heating installations; water heaters; hot water heaters; refrigerating apparatus; refrigerating installations; apparatus for freezing; installations for freezing; cooling installations; cooling apparatus; chilling apparatus; water chillers; heat pumps; air conditioning fans; heat exchangers for air conditioning; heat exchangers for ventilating; heat exchangers for cooling, refrigerating and freezing; air conditioning filters; hot-water space heating apparatus [for industrial purposes]; floor heating apparatus; air freshening apparatus; air deodorizing apparatus; electric room deodorizing units; deodorizing apparatus, not for personal use; heaters for baths