{
  "url": "https://openlegislation.uk/eu-regulation-2013-813/annex-I/division-2/division-11",
  "json_url": "https://openlegislation.uk/eu-regulation-2013-813/annex-I/division-2/division-11.json",
  "legislation": "eur/2013/813",
  "legislation_title": "Commission Regulation (EU) No 813/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for space heaters and combination heaters (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2013-813",
  "path": "annex/I/division/2/division/11",
  "kind": "division",
  "number": "(11)",
  "heading": "‘seasonal space heating energy efficiency in active mode’ (ηson ) means",
  "text": "for fuel boiler space heaters and fuel boiler combination heaters, a weighted average of the useful efficiency at rated heat output and the useful efficiency at 30 % of the rated heat output, expressed in %;\nfor electric boiler space heaters and electric boiler combination heaters, the useful efficiency at rated heat output, expressed in %;\nfor cogeneration space heaters not equipped with supplementary heaters, the useful efficiency at rated heat output, expressed in %;\nfor cogeneration space heaters equipped with supplementary heaters, a weighted average of the useful efficiency at rated heat output with supplementary heater disabled, and the useful efficiency at rated heat output with supplementary heater enabled, expressed in %;",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2013/813/annex/I/division/2/division/11",
    "retrieved_at": "2026-11-01T14:48:27.051896+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}