Why does Display only use one single Classification scheme per building type for the whole of Europe ? Is it not more appropriate to develop a classification scheme per climate zone ?
Varying the classification from member state to member state would be a significant limitation on the label. Using the common A to G level, of course, it is easier to reach the A level in warmer climates, but at the same time the energy saving potential is lower.
This means for example that a lower insulation level is sufficient in Portugal to reach class A, which is well in line with the economical feasibility : as a higher insulation thickness would not be economical if the heating load is low.
Today, member states have developed their own implementation scheme for the EBPD, so they introduced a country (or even region) specific classification scheme. We plan to replace the Display® classification on the Display® poster by the national classification scheme (as done in France) or in countries that use asset rating both labels can put up in parallel, as they are not directly comparable.