(a) water heaters specifically designed for using gaseous or liquid fuels predominantly produced from biomass;

(b) water heaters using solid fuels;

(c) water heaters within the scope of Directive 2010/75/EU of the European Parliament and of the Council ( 4 );

(d) combination heaters as defined in Article 2 of Commission Delegated Regulation (EU) No 811/2013 ( 5 );

(e) water heaters which do not meet at least the load profile with the smallest reference energy, as specified in Annex VII, Table 3;

(f) water heaters designed for making hot drinks and/or food only.

(1) ‘water heater’ means a device that:

(2) ‘heat generator’ means the part of a water heater that generates the heat using one or more of the following processes:

(3) ‘rated heat output’ means the declared heat output of the water heater when providing water heating at standard rating conditions, expressed in kW;

(4) ‘storage volume’ (V) means the rated volume of a hot water storage tank, expressed in litres;

(5) ‘standard rating conditions’ means the operating conditions of water heaters for establishing the rated heat output, water heating energy efficiency and sound power level, and of hot water storage tanks for establishing the standing loss;

(6) ‘biomass’ means the biodegradable fraction of products, waste and residues from biological origin from agriculture (including vegetal and animal substances), forestry and related industries including fisheries and aquaculture, as well as the biodegradable fraction of industrial and municipal waste;

(7) ‘biomass fuel’ means a gaseous or liquid fuel produced from biomass;

(8) ‘fossil fuel’ means a gaseous or liquid fuel of fossil origin;

(9) ‘hot water storage tank’ means a vessel for storing hot water for water and/or space heating purposes, including any additives, which is not equipped with any heat generator except possibly one or more back-up immersion heaters;

(10) ‘back-up immersion heater’ means a Joule effect electric resistance heater that is part of a hot water storage tank and generates heat only when the external heat source is disrupted (including during maintenance periods) or out of order, or that is part of a solar hot water storage tank and provides heat when the solar heat source is not sufficient to satisfy required comfort levels;

(11) ‘solar device’ means a solar-only system, a solar collector, a solar hot water storage tank or a pump in the collector loop, which are placed on the market separately;

(12) ‘solar-only system’ means a device that is equipped with one or more solar collectors and solar hot water storage tanks and possibly pumps in the collector loop and other parts, which is placed on the market as one unit and is not equipped with any heat generator except possibly one or more back-up immersion heaters;

(13) ‘package of water heater and solar device’ means a package offered to the end-user containing one or more water heaters and one or more solar devices;

(14) ‘water heating energy efficiency’ (ηwh ) means the ratio between the useful energy provided by a water heater or a package of water heater and solar device and the energy required for its generation, expressed in %;

(15) ‘sound power level’ (LWA ) means the A-weighted sound power level, indoors and/or outdoors, expressed in dB;

(16) ‘standing loss’ (S) means the heating power dissipated from a hot water storage tank at given water and ambient temperatures, expressed in W;

(17) ‘heat pump water heater’ means a water heater that uses ambient heat from an air source, water source or ground source, and/or waste heat for heat generation.

(a) a printed label complying with the format and content of information set out in point 1.1 of Annex III is provided for each water heater conforming to the water heating energy efficiency classes set out in point 1 of Annex II, whereby: for heat pump water heaters, the printed label is provided at least in the packaging of the heat generator; for water heaters intended for use in packages of water heater and solar device, a second label complying with the format and content of information set out in point 3 of Annex III is provided for each water heater;

(b) a product fiche, as set out in point 1 of Annex IV, is provided for each water heater, whereby: for heat pump water heaters, the product fiche is provided at least for the heat generator; for water heaters intended for use in packages of water heater and solar device, a second fiche, as set out in point 4 of Annex IV, is provided;

(c) the technical documentation, as set out in point 1 of Annex V, is provided on request to the authorities of the Member States and to the Commission;

(d) any advertisement relating to a specific water heater model and containing energy-related or price information includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(e) any technical promotional material concerning a specific water heater model and describing its specific technical parameters includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(f) an electronic label in the format and containing the information set out in point 1.1 of Annex III is made available to dealers for each water heater model conforming to the water heating energy efficiency classes set out in point 1 of Annex II;

(g) an electronic product fiche as set out in point 1 of Annex IV is made available to dealers for each water heater model, whereby for heat pump water heaters models, the electronic product fiche is made available to dealers at least for the heat generator.

(a) a printed label complying with the format and content of information set out in point 2.1 of Annex III is provided for each hot water storage tank conforming to the energy efficiency classes set out in point 2 of Annex II;

(b) a product fiche, as set out in point 2 of Annex IV, is provided;

(c) the technical documentation, as set out in point 2 of Annex V, is provided on request to the authorities of the Member States and to the Commission;

(d) any advertisement relating to a specific hot water storage tank model and containing energy-related or price information includes a reference to the energy efficiency class for that model;

(e) any technical promotional material concerning a specific hot water storage tank model and describing its specific technical parameters includes a reference to the energy efficiency class for that model;

(f) an electronic label in the format and containing the information set out in point 2.1 of Annex III is made available to dealers for each hot water storage tank model in accordance with the energy efficiency classes set out in point 2 of Annex II;

(g) an electronic product fiche as set out in point 2 of Annex IV is made available to dealers for each hot water storage tank model.

(a) a product fiche, as set out in point 3 of Annex IV, is provided;

(b) the technical documentation, as set out in point 3 of Annex V, is provided on request to the authorities of the Member States and to the Commission;

(c) an electronic product fiche, as set out in point 3 of Annex IV, is made available to dealers for each solar device model.

(a) a printed label complying with the format and content of information set out in point 3 of Annex III is provided for each package of water heater and solar device conforming to the water heating energy efficiency classes set out in point 1 of Annex II;

(b) a product fiche, as set out in point 4 of Annex IV, is provided for each package of water heater and solar device;

(c) the technical documentation, as set out in point 4 of Annex V, is provided on request to the authorities of the Member States and to the Commission;

(d) any advertisement relating to a specific package of water heater and solar device model and containing energy-related or price information includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(e) any technical promotional material concerning a specific package of water heater and solar device model and describing its specific technical parameters includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(f) an electronic label in the format and containing the information set out in point 3 of Annex III is made available to dealers for each model comprising a package of water heater and solar device, in accordance with the water heating energy efficiency classes set out in point 1 of Annex II;

(g) an electronic product fiche as set out in point 4 of Annex IV is made available to dealers for each model comprising a package of water heater and solar device.

(a) each water heater, at the point of sale, bears the label provided by suppliers in accordance with Article 3(1), as set out in point 1 of Annex III, on the outside of the front of the appliance, in such a way as to be clearly visible;

(b) water heaters offered for sale, hire or hire-purchase, where the end-user cannot be expected to see the water heater displayed, are marketed with the information provided by the suppliers in accordance with point 1 of Annex VI, except where the offer is made through the internet, in which case the provisions in Annex X shall apply;

(c) any advertisement relating to a specific water heater model and containing energy-related or price information includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(d) any technical promotional material concerning a specific water heater model and describing its specific technical parameters includes a reference to the water heating energy efficiency class under average climate conditions for that model.

(a) each hot water storage tank, at the point of sale, bears the label provided by suppliers in accordance with Article 3(2), as set out in point 2 of Annex III, on the outside of the front of the appliance, in such a way as to be clearly visible;

(b) hot water storage tanks offered for sale, hire or hire-purchase, where the end user cannot be expected to see the hot water storage tank displayed, are marketed with the information provided by the suppliers in accordance with point 2 of Annex VI; except where the offer is made through the internet in which case the provisions in Annex X shall apply;

(c) any advertisement relating to a specific hot water storage tank model and containing energy-related or price information includes a reference to the energy efficiency class for that model;

(d) any technical promotional material concerning a specific hot water storage tank model and describing its specific technical parameters includes a reference to the energy efficiency class for that model.

(a) any offer for a specific package includes the water heating energy efficiency and the water heating energy efficiency class for that package under average, colder or warmer climate conditions, as applicable, by displaying with the package the label set out in point 3 of Annex III and providing the fiche set out in point 4 of Annex IV, duly filled in according to the characteristics of that package;

(b) packages of water heater and solar device offered for sale, hire or hire purchase, where the end-user cannot be expected to see the package of water heater and solar device displayed, are marketed with the information provided in accordance with point 3 of Annex VI, except where the offer is made through the internet, in which case the provisions in Annex X shall apply;

(c) any advertisement relating to a specific package of water heater and solar device model and containing energy-related or price information includes a reference to the water heating energy efficiency class under average climate conditions for that model;

(d) any technical promotional material concerning a specific package of water heater and solar device model and describing its specific technical parameters includes a reference to the water heating energy efficiency class under average climate conditions for that model.

(1) ‘conventional water heater’ means a water heater that generates heat using the combustion of fossil and/or biomass fuels and/or the Joule effect in electric resistance heating elements;

(2) ‘solar water heater’ means a water heater equipped with one or more solar collectors, solar hot water storage tanks, heat generators and possibly pumps in the collector loop and other parts, a solar water heater is placed on the market as one unit;

(3) ‘load profile’ means a given sequence of water draw-offs, as specified in Annex VII, Table 3; each water heater meets at least one load profile;

(4) ‘water draw-off’ means a given combination of useful water flow rate, useful water temperature, useful energy content and peak temperature, as specified in Annex VII, Table 3;

(5) ‘useful water flow rate’ (f) means the minimum flow rate, expressed in litres per minute, for which hot water is contributing to the reference energy, as specified in Annex VII, Table 3;

(6) ‘useful water temperature’ (Tm ) means the water temperature, expressed in degrees Celsius, at which hot water starts contributing to the reference energy, as specified in Annex VII, Table 3;

(7) ‘useful energy content’ (Qtap ) means the energy content of hot water, expressed in kWh, provided at a temperature equal to, or above, the useful water temperature, and at water flow rates equal to, or above, the useful water flow rate, as specified in Annex VII, Table 3;

(8) ‘energy content of hot water’ means the product of the specific heat capacity of water, the average temperature difference between the hot water output and cold water input, and the total mass of the hot water delivered;

(9) ‘peak temperature’ (Tp ) means the minimum water temperature, expressed in degrees Celsius, to be achieved during water draw-off, as specified in Annex VII, Table 3;

(10) ‘reference energy’ (Qref ) means the sum of the useful energy content of water draw-offs, expressed in kWh, in a particular load profile, as specified in Annex VII, Table 3;

(11) ‘maximum load profile’ means the load profile with the greatest reference energy that a water heater is able to provide while fulfilling the temperature and flow rate conditions of that load profile;

(12) ‘declared load profile’ means the load profile applied when determining water heating energy efficiency;

(13) ‘conversion coefficient’ (CC) means a coefficient reflecting the estimated 40 % average EU generation efficiency referred to in Directive 2012/27/EU of the European Parliament and of the Council ( 6 ); the value of the conversion coefficient is CC = 2,5;

(14) ‘daily electricity consumption’ (Qelec ) means the consumption of electricity over 24 consecutive hours under the declared load profile and under given climate conditions, expressed in kWh in terms of final energy;

(15) ‘daily fuel consumption’(Qfuel) means the consumption of fuels over 24 consecutive hours under the declared load profile and under given climate conditions, expressed in kWh in terms of GCV, and for the purposes of point 4 in Annex VIII expressed in GJ in terms of GCV;

(16) ‘gross calorific value’ (GCV) means the total amount of heat released by a unit quantity of fuel when it is burned completely with oxygen and when the products of combustion are returned to ambient temperature; this quantity includes the condensation heat of any water vapour contained in the fuel and of the water vapour formed by the combustion of any hydrogen contained in the fuel;

(17) ‘smart control’ means a device that automatically adapts the water heating process to individual usage conditions with the aim of reducing energy consumption;

(18) ‘smart control compliance’ (smart) means the measure of whether a water heater equipped with smart controls fulfils the criterion set out in point 5 of Annex VIII;

(19) ‘smart control factor’ (SCF) means the water heating energy efficiency gain due to smart control under the conditions set out in point 3 of Annex VII;

(20) ‘weekly electricity consumption with smart controls’ (Qelec,week,smart ) means the weekly electricity consumption of a water heater with the smart control function enabled, expressed in kWh in terms of final energy;

(21) ‘weekly fuel consumption with smart controls’ (Qfuel,week,smart ) means the weekly fuel consumption of a water heater with the smart control function enabled, expressed in kWh in terms of GCV;

(22) ‘weekly electricity consumption without smart controls’ (Qelec,week ) means the weekly electricity consumption of a water heater with the smart control function disabled, expressed in kWh in terms of final energy;

(23) ‘weekly fuel consumption without smart controls’ (Qfuel,week ) means the weekly fuel consumption of a water heater with the smart control function disabled, expressed in kWh in terms of GCV;

(24) ‘annual electricity consumption’ (AEC) means the annual electricity consumption of a water heater under the declared load profile and under given climate conditions, expressed in kWh in terms of final energy;

(25) ‘annual fuel consumption’ (AFC) means the annual fossil and/or biomass fuel consumption of a water heater under the declared load profile and under given climate conditions, expressed in GJ in terms of GCV;

(26) ‘ambient correction term’ (Qcor ) means a term which takes into account the fact that the place where the water heater is installed is not an isothermal place, expressed in kWh;

(27) ‘standby heat loss’ (Pstby ) means the heat loss of a heat pump water heater in operating modes without heat demand, expressed in kW;

(28) ‘average climate conditions’, ‘colder climate conditions’ and ‘warmer climate conditions’ mean the temperatures and global solar irradiance conditions characteristic for the cities of Strasbourg, Helsinki and Athens, respectively;

(29) ‘annual energy consumption’ (Qtota ) means the annual energy consumption of a solar water heater, expressed in kWh in terms of primary energy and/or kWh in terms of GCV;

(30) ‘annual non-solar heat contribution’ (Qnonsol ), means the annual contribution of electricity (expressed in kWh in terms of primary energy) and/or fuels (expressed in kWh in terms of GCV) to the useful heat output of a solar water heater or a package of water heater and solar device, taking into account the annual amount of heat captured by the solar collector and the heat losses of the solar hot water storage tank;

(31) ‘solar collector’ means a device designed to absorb global solar irradiance and to transfer the heat energy so produced to a fluid passing through it; it is characterised by the collector aperture area, the zero-loss efficiency, the first order coefficient, the second-order coefficient and the incidence angle modifier;

(32) ‘global solar irradiance’ means the rate of total incoming solar energy, both direct and diffuse, on a collector plane with an inclination of 45 degrees and southward orientation at the Earth’s surface, expressed in W/m2;

(33) ‘collector aperture area’ (Asol ) means the maximum projected area through which unconcentrated solar radiation enters the collector, expressed in m2;

(34) ‘zero-loss efficiency’ (η0 ) means the efficiency of the solar collector, when the solar collector mean fluid temperature is equal to the ambient temperature;

(35) ‘first-order coefficient’ (a1 ) means the heat loss coefficient of a solar collector, expressed in W/(m2 K);

(36) ‘second-order coefficient’ (a2 ) means the coefficient measuring the temperature dependence of the first order coefficient, expressed in W/(m2 K2);

(37) ‘incidence angle modifier’ (IAM) means the ratio of the useful heat output of the solar collector at a given incidence angle and its useful heat output at an incidence angle of 0 degrees;

(38) ‘incidence angle’ means the angle between the direction to the sun and the direction perpendicular to the solar collector aperture;

(39) ‘solar hot water storage tank’ means a hot water storage tank storing heat energy produced by one or more solar collectors;

(40) ‘heat generator water heating energy efficiency’ (ηwh,nonsol ) means the water heating energy efficiency of a heat generator which is part of a solar water heater, expressed in %, established under average climate conditions and without using solar heat input;

(41) ‘auxiliary electricity consumption’ (Qaux ), for the purpose of Figure 1 in Annex IV referred to as ‘auxiliary electricity’, means the annual electricity consumption of a solar water heater or a solar-only system that is due to the pump power consumption and the standby power consumption, expressed in kWh in terms of final energy;

(42) ‘pump power consumption’ (solpump) means the rated electrical power consumption of the pump in the collector loop of a solar water heater or solar-only system, expressed in W;

(43) ‘standby power consumption’ (solstandby) means the rated electrical power consumption of a solar water heater or solar-only system when the pump and the heat generator are inactive, expressed in W;

(44) ‘model identifier’ means the code, usually alphanumeric, which distinguishes a specific water heater, hot water storage tank, solar device or package of water heater and solar device model from other models with the same trade mark, supplier’s name or dealer’s name.

(a) The following information shall be included in the label:

(b) The design aspects of the label for conventional water heaters shall be in accordance with point 4 of this Annex.

(a) The following information shall be included in the label:

(b) The design aspects of the label for solar water heaters shall be in accordance with point 5 of this Annex.

(a) The following information shall be included in the label:

(b) The design aspects of the label for heat pump water heaters shall be in accordance with point 6 of this Annex. By way of exception, where a model has been granted an ‘EU Ecolabel’ under Regulation (EC) No 66/2010 of the European Parliament and of the Council ( 7 ), a copy of the EU Ecolabel may be added.

(a) The information listed in point 1.1.1(a) of this Annex shall be included in the label.

(b) The design aspects of the label for conventional water heaters shall be in accordance with point 4 of this Annex.

(a) The information listed in point 1.1.2(a) of this Annex shall be included in the label.

(b) The design aspects of the label for solar water heaters shall be in accordance with point 5 of this Annex.

(a) The information listed in point 1.1.3(a) of this Annex shall be included in the label.

(b) The design aspects of the label for heat pump water heaters shall be in accordance with point 6 of this Annex.

(a) The following information shall be included in the label:

(b) The design aspects of the label for hot water storage tanks shall be in accordance with point 7 of this Annex.

(a) The information listed in point 2.1(a) of this Annex shall be included in the label.

(b) The design aspects of the label for hot water storage tanks shall be in accordance with point 7 of this Annex.

(a) The following information shall be included in the label:

(b) The design aspects of the label for packages of water heater and solar device shall be in accordance with point 8 of this Annex. For packages of water heater and solar device in water heating energy efficiency classes A+++ to D, the last classes E to G in the A+++ to G scale may be omitted.

1.1. The information in the product fiche of the water heater shall be provided in the following order and shall be included in the product brochure or other literature provided with the product:

in addition, for solar water heaters and heat pump water heaters:

in addition, for solar water heaters:

in addition, for heat pump water heaters:

1.2. One fiche may cover a number of water heater models supplied by the same supplier.

1.3. The information contained in the fiche may be given in the form of a copy of the label, either in colour or in black and white. Where this is the case, the information listed in point 1.1 not already displayed on the label shall also be provided.

2.1. The information in the product fiche of the hot water storage tank shall be provided in the following order and shall be included in the product brochure or other literature provided with the product:

2.2. One fiche may cover a number of hot water storage tank models supplied by the same supplier.

2.3. The information contained in the fiche may be given in the form of a copy of the label, either in colour or in black and white. Where this is the case, the information listed in point 2.1 not already displayed on the label shall also be provided.

3.1. The information in the product fiche of the solar device shall be provided in the following order and shall be included in the product brochure or other literature provided with the product (for pumps in the collector loop if applicable):

3.2. One fiche may cover a number of solar device models supplied by the same supplier.

— I: the value of the water heating energy efficiency of the water heater, expressed in %,

— II: the value of the mathematical expression

— III: the value of the mathematical expression

(a) the name and address of the supplier;

(b) a description of the water heater model sufficient for its unambiguous identification;

(c) where appropriate, the references of the harmonised standards applied;

(d) where appropriate, the other technical standards and specifications used;

(e) the identification and signature of the person empowered to bind the supplier;

(f) the results of the measurements for the technical parameters specified in point 7 of Annex VII;

(g) the results of the calculations for the technical parameters specified in point 2 of Annex VIII;

(h) any specific precautions that shall be taken when the water heater is assembled, installed or maintained.

(a) the name and address of the supplier;

(b) a description of the hot water storage tank model sufficient for its unambiguous identification;

(c) where appropriate, the references of the harmonised standards applied;

(d) where appropriate, the other technical standards and specifications used;

(e) the identification and signature of the person empowered to bind the supplier;

(f) the results of the measurements for the technical parameters specified in point 8 of Annex VII;

(g) any specific precautions that shall be taken when the hot water storage tank is assembled, installed or maintained.

(a) the name and address of the supplier;

(b) a description of the solar device model sufficient for its unambiguous identification;

(c) where appropriate, the references of the harmonised standards applied;

(d) where appropriate, the other technical standards and specifications used;

(e) the identification and signature of the person empowered to bind the supplier;

(f) the results of the measurements for the technical parameters as specified in point 9 of Annex VII;

(g) any specific precautions that shall be taken when the solar device is assembled, installed or maintained.

(a) the name and address of the supplier;

(b) a description of the package of water heater and solar device model sufficient for its unambiguous identification;

(c) where appropriate, the references of the harmonised standards applied;

(d) where appropriate, the other technical standards and specifications used;

(e) the identification and signature of the person empowered to bind the supplier;

(f) technical parameters:

(g) any specific precautions that shall be taken when the package of water heater and solar device is assembled, installed or maintained.

1.1. The information referred to in Article 4(1)(b) shall be provided in the following order:

in addition, for solar water heaters and heat pump water heaters:

in addition, for solar water heaters:

in addition, for heat pump water heaters:

1.2. Where other information contained in the product fiche is also provided, it shall be in the form and order specified in point 1 of Annex IV.

1.3. The size and font in which the information referred in points 1.1 and 1.2 is printed or shown shall be legible.

2.1. The information referred to in Article 4(2)(b) shall be provided in the following order:

2.2. The size and font in which the information referred in point 2.1 is printed or shown shall be legible.

3.1. The information referred to in Article 4(3)(b) shall be provided in the following order:

3.2. The size and font in which the information referred in point 3.1 is printed or shown shall be legible.

(1) For the purpose of points 2 to 5 of this Annex the following definitions shall apply:

(2) The appropriate label made available by suppliers in accordance with Article 3 or in the case of a package where appropriate duly filled in based on the label and fiches provided by suppliers in accordance with Article 3, shall be shown on the display mechanism in proximity to the price of the product or package in accordance with the timetable set out in Article 3. If both a product and a package are shown, but with a price indicated only for the package, only the package label shall be displayed. The size shall be such that the label is clearly visible and legible and shall be proportionate to the size specified in Annex III. The label may be displayed using a nested display, in which case the image used for accessing the label shall comply with the specifications laid down in point 3 of this Annex. If nested display is applied, the label shall appear on the first mouse click, mouse roll-over or tactile screen expansion on the image.

(3) The image used for accessing the label in the case of nested display shall:

(4) In the case of nested display, the sequence of display of the label shall be as follows:

(5) The appropriate product fiche made available by suppliers in accordance with Article 3 shall be shown on the display mechanism in proximity to the price of the product or package. The size shall be such that the product fiche is clearly visible and legible. The product fiche may be displayed using a nested display, in which case the link used for accessing the fiche shall clearly and legibly indicate ‘Product fiche’. If nested display is used, the product fiche shall appear on the first mouse click, mouse roll-over or tactile screen expansion on the link.