Efek Rumah Kaca (English: Greenhouse Effect) is Indonesian indie rock band, formed in 2001. They have released two albums, Efek Rumah Kaca (2007) and Kamar Gelap (2008). The members are Cholil on vocal and guitar, Adrian on bass and Akbar on drums. The band formed in 2001 with five members, but in 2003 became a trio. The band's name at first was Hush, then Superego. They finally chose the name Efek Rumah Kaca after the release of their first album in 2007.