▁condition ing . ▁The ▁P DE ▁of ▁a ▁building ▁remains ▁valid ▁for ▁ 1 0 ▁years . ▁ ▁Ireland ▁In ▁Ireland , ▁the ▁building ▁energy ▁ratings ▁are ▁in ▁existence ▁since ▁ 2 0 0 7 . ▁In ▁this ▁country ▁Building ▁Energy ▁R ating ▁( BER ) ▁is ▁used ▁as ▁E PC . ▁ ▁The ▁scheme ▁was ▁mand atory ▁for ▁new ▁dwell ing ▁and ▁in ▁ 2 0 0 8 , ▁its ▁use ▁was ▁extended ▁to ▁non - res ident ial ▁and ▁public ▁buildings , ▁in ▁ 2 0 0 9 ▁the ▁H ERS ▁cover ▁the ▁all ▁types ▁of ▁buildings . ▁ ▁B ER ▁is ▁a ▁calculation ▁based ▁H ERS . ▁ ▁Due ▁to ▁trans par ency ▁in ▁this ▁H ERS , ▁there ▁is ▁a ▁more ▁aw aren ess ▁among ▁the ▁people ▁and ▁is ▁accepted ▁widely . ▁ ▁Portugal ▁In ▁Portugal , ▁the ▁E PC s ▁scheme ▁was ▁launched ▁in ▁July ▁ 2 0 0 7 ▁and ▁was ▁implemented ▁for ▁new ▁buildings . ▁The ▁use ▁of ▁this ▁scheme ▁was ▁extended ▁to ▁existing ▁buildings ▁in ▁January ▁ 2 0 0 9 . ▁This ▁rating ▁scheme ▁covers ▁mainly ▁the ▁ind oor ▁air ▁quality ▁and ▁energy ▁performance ▁of ▁the ▁buildings . ▁This ▁rating ▁scheme ▁is ▁also ▁a ▁calculation ▁based ▁H ERS . ▁The ▁comp liance ▁in ▁the ▁country ▁is ▁high ▁and ▁the ▁E PC ▁is ▁issued ▁only ▁when ▁ 9 0 % ▁of ▁building ▁completion ▁and ▁transaction ▁observed . ▁There ▁is ▁a ▁national ▁database ▁who ▁covers ▁all ▁E PC s ▁registration ▁record ▁and ▁this ▁is ▁available ▁for