(4) Information plays a key role in the operation of market forces and it is therefore necessary to introduce a uniform label for all products of the same type, to provide potential purchasers with supplementary standardized information on those products' costs in terms of energy and the consumption of other essential resources and to take measures to ensure that potential end-users who do not see the product displayed, and thus have no opportunity to see the label, are also supplied with this information ; in order to be efficient and successful, the label should be easily recognisable to end-users, simple and concise.

Energy savings shall be determined by estimating and/or measuring without and comparing to the use with the implementation of the measure, while ensuring adjustment and normalisation for extrinsic conditions commonly affecting energy use.

Energy savings shall be determined by estimating and/or measuring before and comparing to the use after the implementation of the measure, while ensuring adjustment and normalisation for extrinsic conditions commonly affecting energy use.

Energy savings shall be determined by estimating and/or measuring without and comparing to the use with the implementation of the measure, while ensuring adjustment and normalisation for extrinsic conditions commonly affecting energy use.

5. energy consumption in kWh for the heating function(s), (conventional and/or forced air convection and/or hot steam) (of appliances) based on standard load determined in accordance with the test procedures of the harmonised standards referred to in Article 2.

V. Energy consumption in kWh for the heating function(s) (conventional and/or the forced air convection) (of appliances) based on standard load determined in accordance with the test procedures of the harmonised standards referred to in Article 2.