I've heard that air conditioners in foreign countries are not very energy efficient, and aren't good for the environment.
It seems that air conditioners in foreign countries are not very energy efficient, and aren't good for the environment.
「 ~ らしい」は I've heard that （聞いたことがある）か It seems that （ ~ のように）で表現できます。
海外 foreign countries
エアコン air conditioners
エネルギー効率 energy efficient
悪い aren't good/not good
らしい I've heard that/It seems that
参考になれば幸いです。
オーストラリア 
