This Regulation should not affect the Member States' entitlement to lay down requirements as they may deem necessary concerning installation aspects, space ventilation conditions and aspects relating to the safety of the building itself and its energy performance, provided that those requirements do not impose design requirements on appliances.
Leis an Rialacháin seo, níor cheart go ndéanfaí difear do theidlíocht na mBallstát ceanglais a leagan síos a mheasfaidh siad a mbeidh gá leo maidir le gnéithe suiteála, dálaí aerála spásanna agus gnéithe a bhaineann le sábháilteacht an fhoirgnimh féin agus a fheidhmíocht fuinnimh, ar choinníoll nach bhforchuireann na ceanglais sin ceanglais deartha ar fhearais.