{
  "url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VII/division-7",
  "json_url": "https://openlegislation.uk/eu-regulation-2013-812/annex-VII/division-7.json",
  "legislation": "eur/2013/812",
  "legislation_title": "Commission Delegated Regulation (EU) No 812/2013 of 18 February 2013 supplementing Directive 2010/30/EU of the European Parliament and of the Council with regard to the energy labelling of water heaters, hot water storage tanks and packages of water heater and solar device (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2013-812",
  "path": "annex/VII/division/7",
  "kind": "division",
  "number": "7",
  "heading": "Technical parameters of water heaters",
  "text": "The following parameters shall be established for water heaters:\n(a) the daily electricity consumption Qelec in kWh, rounded to three decimal places;\n(b) the declared load profile, expressed by the appropriate letter in accordance with Table 3 of this Annex;\n(c) the sound power level in dB, indoors, rounded to the nearest integer (for heat pump water heaters, if applicable);\nin addition, for water heaters using fossil and/or biomass fuels:\n(d) the daily fuel consumption Qfuel in kWh in terms of GCV, rounded to three decimal places;\nin addition, for water heaters for which the value of smart is declared as being ‘1’:\n(e) the weekly fuel consumption with smart controls Qfuel,week,smart in kWh in terms of GCV, rounded to three decimal places;\n(f) the weekly electricity consumption with smart controls Qelec,week,smart in kWh, rounded to three decimal places;\n(g) the weekly fuel consumption without smart controls Qfuel,week in kWh in terms of GCV, rounded to three decimal places;\n(h) the weekly electricity consumption without smart controls Qelec,week in kWh, rounded to three decimal places;\nin addition, for solar water heaters:\n(i) the collector aperture area Asol in m2, rounded to two decimal places;\n(j) the zero-loss efficiency η0 , rounded to three decimal places;\n(k) the first-order coefficient a1 in W/(m2 K), rounded to two decimal places;\n(l) the second-order coefficient a2 in W/(m2 K2), rounded to three decimal places;\n(m) the incidence angle modifier IAM, rounded to two decimal places;\n(n) the pump power consumption solpump in W, rounded to two decimal places;\n(o) the standby power consumption solstandby in W, rounded to two decimal places;\nin addition, for heat pump water heaters:\n(p) the sound power level LWA in dB, outdoors, rounded to the nearest integer.",
  "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/2013/812/annex/VII/division/7",
    "retrieved_at": "2026-11-01T14:48:27.204975+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."
}