english: According to statistics, Energy recovery ventilator(ERV) in Europe and home penetration has reached 96.56%, In the United States , Japan, Britain and other developed countries , the industry in the proportion of GDP reached 2.7%.
non_english: Miturut statistik, Recovery Energy ventilator (ERV) ing Eropah lan seng nembus ngarep wis ngrambah 96,56%, Ing Amerika Serikat, Jepang, Inggris lan negara-negara maju liyane, industri ing babagan GDP ngrambah 2.7%.