Air conditioners; Apparatus for air conditioning; Cooling apparatus; Heat pumps; Heat pumps for energy processing; Air heating apparatus for commercial use; Air heating apparatus for residential use; Apparatus for water heating; Electric heating apparatus; Heat generating apparatus; Heating apparatus; Electrical installations for heating; Heating installations; Installations for heating swimming pools; Installations for the cooling of water; Installations for the heating of water; Under floor heating; Water conditioning apparatus; Installations for conditioning water; Water conditioning installations; Electric water heaters; Water heaters; Water heating apparatus (other than parts of machines)