The Harmonized Index of Consumer Prices category "Heat Energy (04.5.5)" is a classification of nondurable goods and energy that includes hot water and steam purchased from district heating plants, associated expenditure such as hire of meters, reading of meters, standing charges, etc.; and ice used for cooling and refrigeration purposes.
This category is a subcategory of the Housing, Water, Electricity, Gas, and Other Fuels (04) and of Electricity, Gas, and Other Fuels (04.5) categories.
Information provided in the notes pertaining to HICP classifications can be found from the source at: http://ec.europa.eu/eurostat/ramon/nomenclatures/index.cfm?TargetUrl=ACT_OTH_CLS_DLD&StrNom=HICP_2000&StrFormat=HTML&StrLanguageCode=EN&IntKey=22470387.
Copyright, European Union, 1995-2014, http://epp.eurostat.ec.europa.eu/portal/page/portal/about_eurostat/policies/copyright_licence_policy.
Statistical Office of the European Communities, Harmonized Index of Consumer Prices: Heat Energy for Iceland© [CP0455ISM086NEST], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/CP0455ISM086NEST/, October 10, 2015.