{
  "url": "https://openlegislation.uk/eu-regulation-2013-814/annex-III/division-5",
  "json_url": "https://openlegislation.uk/eu-regulation-2013-814/annex-III/division-5.json",
  "legislation": "eur/2013/814",
  "legislation_title": "Commission Regulation (EU) No 814/2013 of 2 August 2013 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for water heaters and hot water storage tanks (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2013-814",
  "path": "annex/III/division/5",
  "kind": "division",
  "number": "5",
  "heading": "CONDITIONS FOR TESTING HEAT PUMP WATER HEATERS",
  "text": "Heat pump water heaters shall be tested under the conditions set out in Table 4;\nheat pump water heaters which use ventilation exhaust air as the heat source shall be tested under the conditions set out in Table 5.\nTable 2\nAverage daytime temperature [°C]\nJanuary\nFebruary\nMarch\nApril\nMay\nJune\nJuly\nAugust\nSeptember\nOctober\nNovember\nDecember\nAverage climate conditions\n2,8\n2,6\n7,4\n12,2\n16,3\n19,8\n21,0\n22,0\n17,0\n11,9\n5,6\n3,2\nTable 3\nAverage global solar irradiance [W/m2]\nJanuary\nFebruary\nMarch\nApril\nMay\nJune\nJuly\nAugust\nSeptember\nOctober\nNovember\nDecember\nAverage climate conditions\n70\n104\n149\n192\n221\n222\n232\n217\n176\n129\n80\n56\nTable 4\nStandard rating conditions for heat pump water heaters, temperatures in dry bulb air temperature (wet bulb air temperature indicated in brackets)\nHeat source\nOutdoor air\nIndoor air\nExhaust air\nBrine\nWater\nTemperature\n+ 7 °C (+ 6 °C)\n+ 20 °C\n(maximum + 15 °C)\n+ 20 °C\n(+ 12 °C)\n0 °C (inlet)/– 3 °C (outlet)\n+ 10 °C (inlet)/+ 7 °C (outlet)\nTable 5\nMaximum ventilation exhaust air available [m3/h], at a temperature of 20 °C and with humidity of 5,5 g/m3\nDeclared load profile\nXXS\nXS\nS\nM\nL\nXL\nXXL\n3XL\n4XL\nMaximum ventilation exhaust air available\n109\n128\n128\n159\n190\n870\n1 021\n2 943\n8 830",
  "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/2013/814/annex/III/division/5",
    "retrieved_at": "2026-11-01T14:48:26.915142+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."
}