The negative responses mentioned as reasons for limited effectiveness the delayed and inconsistent implementation in the Member States, poor quality of EPCs, slow uptake of measures and a low renovation rate, as well as the missing definition of nearly zero-energy buildings and the need for an improved use of financing instruments.
Negativni odzivi kot razlog za omejeno učinkovitost navajajo zamudo in nedoslednost pri izvajanju v državah članicah, slabo kakovost energetskih izkaznic, počasno sprejemanje ukrepov in nizko stopnjo prenove, poleg tega tudi ni opredelitve skoraj nič-energijskih stavb ter potrebe po izboljšanju uporabe finančnih instrumentov.