EN 50440:2015/A1:2020
(Amendment)Efficiency of domestic electrical storage water heaters and testing methods
Efficiency of domestic electrical storage water heaters and testing methods
This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use. The object is to state and define the principal performance characteristics of electric storage water heaters and to describe the test methods for measuring these characteristics. NOTE 1 This standard does not apply to; storage water heaters that use electricity as a secondary source of heating the water; storage water heaters that do not use a tank to storage hot water; electric storage water heaters that do not meet the minimum (or maximum) output performance of the smallest (or biggest) load profile, as defined in Table 4. NOTE 2 This standard does not specify performance or safety requirements. For safety requirements see EN 60335-1 in conjunction with EN 60335-2-21.
Effizienz von elektrischen Warmwasserspeichern für den Hausgebrauch und Prüfverfahren
Efficacité des chauffe-eau électriques à accumulation et méthodes associées
Učinkovitost gospodinjskih električnih akumulacijskih grelnikov vode in preskusne metode - Dopolnilo A1
General Information
Relations
Overview
EN 50440:2015/A1:2020 is a European Standard developed by CLC that defines the efficiency measurement methods and performance characteristics for domestic electrical storage water heaters. This standard focuses on electric storage water heaters used for producing sanitary hot water in households and similar environments. It specifies the test procedures needed to accurately evaluate the energy efficiency and performance of these appliances.
This amendment (A1:2020) updates the original 2015 version, ensuring alignment with recent legislative frameworks and improving test methodologies. It neither covers safety requirements-addressed in standards like EN 60335-1 and EN 60335-2-21-nor applies to non-storage or hybrid heating systems.
Key Topics
Performance Characteristics
The standard clearly defines critical performance metrics for electric storage water heaters such as:- Daily electricity consumption
- Annual electricity consumption
- Water heater energy efficiency
- Smart control responsiveness
- Storage volume
Testing Methods
Specific standardized test methods are prescribed to ensure reproducible and comparable efficiency measurements. These methods include evaluation under controlled load profiles simulating real household hot water usage patterns.Scope Exclusions
Not applicable to:- Storage water heaters using electricity as a secondary heating source
- Electric water heaters without a storage tank
- Units outside defined load profile ranges
EU Regulatory Alignment
EN 50440:2015/A1:2020 supports compliance with important EU regulations such as:- Commission Delegated Regulation (EU) No 812/2013 (Energy Labelling)
- Commission Regulation (EU) No 814/2013 (Ecodesign Requirements)
Applications
- Manufacturers can use this standard to develop and test domestic electric storage water heaters that meet required energy labelling and ecodesign criteria in EU markets.
- Testing Laboratories apply these test methods to provide reliable efficiency assessments essential for certification and compliance.
- Regulators and Certification Bodies refer to EN 50440:2015/A1:2020 to benchmark product efficiency, support energy labelling schemes, and enforce ecodesign directives.
- Consumers benefit indirectly through improved product transparency and better-informed purchasing decisions based on standardized efficiency metrics.
Related Standards
To ensure comprehensive compliance and safety, EN 50440:2015/A1:2020 should be used alongside the following standards:
- EN 60335-1 & EN 60335-2-21 – Safety requirements for household electrical appliances, including water heaters
- Commission Delegated Regulation (EU) No 812/2013 – Energy labelling requirements for water heaters and storage tanks
- Commission Regulation (EU) No 814/2013 – Ecodesign requirements for water heaters and hot water storage tanks
Using this standard guarantees manufacturers and stakeholders meet both energy efficiency and legal directives, facilitating market access while promoting sustainable energy consumption.
Keywords: EN 50440, electrical storage water heaters, domestic water heaters, energy efficiency, testing methods, EU energy labelling, ecodesign requirements, hot water storage, performance measurement, smart controls, household appliances standards.
Frequently Asked Questions
EN 50440:2015/A1:2020 is a amendment published by CLC. Its full title is "Efficiency of domestic electrical storage water heaters and testing methods". This standard covers: This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use. The object is to state and define the principal performance characteristics of electric storage water heaters and to describe the test methods for measuring these characteristics. NOTE 1 This standard does not apply to; storage water heaters that use electricity as a secondary source of heating the water; storage water heaters that do not use a tank to storage hot water; electric storage water heaters that do not meet the minimum (or maximum) output performance of the smallest (or biggest) load profile, as defined in Table 4. NOTE 2 This standard does not specify performance or safety requirements. For safety requirements see EN 60335-1 in conjunction with EN 60335-2-21.
This European Standard specifies methods for measuring the performance of electric storage water heaters for the production of sanitary hot water for household and similar use. The object is to state and define the principal performance characteristics of electric storage water heaters and to describe the test methods for measuring these characteristics. NOTE 1 This standard does not apply to; storage water heaters that use electricity as a secondary source of heating the water; storage water heaters that do not use a tank to storage hot water; electric storage water heaters that do not meet the minimum (or maximum) output performance of the smallest (or biggest) load profile, as defined in Table 4. NOTE 2 This standard does not specify performance or safety requirements. For safety requirements see EN 60335-1 in conjunction with EN 60335-2-21.
EN 50440:2015/A1:2020 is classified under the following ICS (International Classification for Standards) categories: 91.140.65 - Water heating equipment. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 50440:2015/A1:2020 has the following relationships with other standards: It is inter standard links to EN 50440:2015. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 50440:2015/A1:2020 is associated with the following European legislation: EU Directives/Regulations: 812/2013, 814/2013; Standardization Mandates: M/324, M/534. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 50440:2015/A1:2020 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CLC standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2020
Učinkovitost gospodinjskih električnih akumulacijskih grelnikov vode in
preskusne metode - Dopolnilo A1
Efficiency of domestic electrical storage water heaters and testing methods
Effizienz von elektrischen Warmwasserspeichern für den Hausgebrauch und
Prüfverfahren
Efficacité des chauffe-eau électriques à accumulation et méthodes associées
Ta slovenski standard je istoveten z: EN 50440:2015/A1:2020
ICS:
91.140.65 Oprema za ogrevanje vode Water heating equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 50440:2015/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2020
ICS 91.140.65
English Version
Efficiency of domestic electrical storage water heaters and
testing methods
Efficacité des chauffe-eau électriques à accumulation et Effizienz von elektrischen Warmwasserspeichern für den
méthodes associées Hausgebrauch und Prüfverfahren
This amendment A1 modifies the European Standard EN 50440:2015; it was approved by CENELEC on 2020-06-17. CENELEC members
are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a
national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 50440:2015/A1:2020 E
European foreword
This document (EN 50440:2015/A1:2020) has been prepared by CLC/TC 59X “Performance of
household and similar electrical appliances”.
The following dates are fixed:
• latest date by which this document has (dop) 2021–06–17
to be implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2023–06–17
standards conflicting with this document
have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For the relationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this
document.
1 Modification to Annex ZZA, “Relationship between this European Standard
and the energy labelling requirements of Commission Delegated
Regulation (EU) No 812/2013 aimed to be covered” and Annex ZZB,
“Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 814/2013 aimed to be
covered”
Replace the Annexes ZZA and ZZB with the following:
“
Annex ZZA
(informative)
Relationship between this European Standard and the energy
labelling requirements of Commission Delegated Regulation (EU)
No 812/2013 aimed to be covered
This European standard has been prepared under a Commission’s standardization request, M/534
C(2015) 2625 final to provide one voluntary means of conforming to the energy labelling requirements
of 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 energy labelling of water
heaters, hot water storage tanks and packages of water heater and solar device, OJ L239, 6.9.2013.
Once this standard is cited in the Official Journal of the European Union under that Regulation,
compliance with the normative clauses of this standard given in Table ZZA.1 confers, within the limits
of the scope of this standard
...
The EN 50440:2015/A1:2020 standard significantly contributes to the efficiency assessment of domestic electrical storage water heaters, centralizing its focus on the methods for measuring the performance of these appliances intended for the production of sanitary hot water for household and similar applications. The strength of this standard lies in its clearly defined scope, which delineates the performance characteristics essential for electric storage water heaters, ensuring that manufacturers and testers have a solid foundation for evaluating these devices. One of the notable strengths of EN 50440:2015/A1:2020 is its systematic approach to defining the testing methodologies. The inclusion of specific performance characteristics allows for a standardized measurement of efficiency, which is vital for transparency in the market and assists consumers in making informed choices regarding their hot water solutions. Additionally, by specifying what types of electric storage water heaters fall within the scope of the standard, it provides clarity regarding applicability, thus helping manufacturers understand compliance requirements accurately. The relevance of this standard extends beyond compliance; it promotes energy efficiency and sustainability. By setting benchmarks for performance evaluation, it supports the broader European objectives of reducing energy consumption and increasing the efficiency of appliances. The exclusion of certain types of heaters, such as those not utilizing tanks or those with non-compliant output performance, further refines the focus on the most applicable technologies, ensuring that the standard remains relevant and precise. In summary, the EN 50440:2015/A1:2020 standard is a crucial document for the electric storage water heater industry, providing a structured and well-defined methodology for assessing efficiency, which is vital for both manufacturers and consumers.
EN 50440:2015/A1:2020 표준은 가정용 전기 저장 온수기와 그 테스트 방법의 효율성을 규명하는 유럽 표준으로, 이 표준은 가정 및 유사한 용도를 위한 위생용 온수 생산을 목표로 합니다. 이 표준의 범위는 전기 저장 온수기의 주요 성능 특성을 정의하고, 이러한 특성을 측정하기 위한 테스트 방법을 설명하는 데 중점을 두고 있습니다. 이 표준의 주요 강점은 다양한 전기 저장 온수기의 성능 측정을 위한 명확한 지침을 제공한다는 점입니다. 이를 통해 제조업체는 제품의 효율성을 평가하고 소비자는 보다 신뢰할 수 있는 정보를 바탕으로 구매 결정을 할 수 있습니다. 특히, 이 표준은 전기 저장 온수기의 효율성을 평가하는 객관적인 방법론을 수립하여 시장의 일관성을 높이는 데 기여합니다. 또한, 이 표준은 특정 조건의 저장 온수기에 적용되지 않고, 저장 온수기 성능 또는 안전 요구 사항을 규정하지 않음으로써 사용자에게 보다 전문적인 정보 제공에 집중할 수 있는 장점이 있습니다. 안전 요구 사항은 EN 60335-1 및 EN 60335-2-21을 참조하도록 명시되어 있어, 안전성과 효율성을 분리하여 관리할 수 있게 합니다. 결론적으로, EN 50440:2015/A1:2020 표준은 가정용 전기 저장 온수기의 효율성을 체계적으로 평가할 수 있는 중요한 기준을 제공하며, 이는 업계와 소비자 모두에게 필수적입니다. 이러한 이유로 이 표준은 매우 관련성이 높고 유용합니다.
EN 50440:2015/A1:2020は、家庭用および類似の用途のための衛生用温水の生成における電気蓄熱給湯器の性能を測定するための方法を規定した欧州標準です。この標準は、電気蓄熱給湯器の主な性能特性を明確に述べ、これらの特性を測定するための試験方法を詳細に説明しています。 本標準の強みは、電気蓄熱給湯器の性能測定における一貫した方法論を提供する点にあり、これは業界全体における製品の比較や評価を容易にします。また、標準の適用範囲が明確に定義されており、どのタイプの蓄熱給湯器に適しているのかが一目でわかるため、製造者や消費者にとって非常に実用的です。 さらに、EN 50440は、特定の条件下での性能評価を行うための試験方法を具体化しており、この点においても高い信頼性を持っています。標準が対象としていない機器も明記されているため、適用範囲の混乱を避けることができます。このように、EN 50440は家庭用電気蓄熱給湯器に関する測定基準を確立し、業界の標準化推進に寄与しています。
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