According to Article 3 of Regulation (EU) 2015/1186 and Article 3 of the new Energy Labelling Framework Regulation (EU) 2017/1369, the label shall be printed; there is no specific indication on where to provide it, but websites cannot be used to provide an alternative to “printed” labels.
It is to be understood that the dealer has to be provided with correct and clear information on the energy performance of heaters. The label may be delivered together with supplementary material as long as labels are provided with each individual local space heater.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.