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Commission Regulation (EU) No 814/2013Show full 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)
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2.TECHNICAL PARAMETERS OF WATER HEATERS
The following parameters shall be calculated for water heaters under average climate conditions:
(a)
the water heating energy efficiency ηwh in %, rounded to one decimal place;
in addition, for solar water heaters under average climate conditions:
(b)
the annual non-solar heat contribution Qnonsol in kWh in terms of primary energy for electricity and/or in kWh in terms of GCV for fuels, rounded to one decimal place;
(c)
the heat generator water heating energy efficiency ηwh,nonsol in %, rounded to one decimal place;
(d)
the annual auxiliary electricity consumption Qaux in kWh, rounded to one decimal place.
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