Before revision: The first commercial domestic EcoCute was marketed in Japan by in May 2001, and several manufacturers sold 1.74 million units there by 2008, and 9.01 million units by August 2023.EcoCute: number of units , cumulative transition, shipments, 9.01 million by August 2023 Archived: Bar graph describes: EcoCute, number of units in transition, cumulative shipments (エコキュート累積出荷台数の推移), Horizontal axis represents year (Japanese fiscal year Apr.-Mar.)
After revision: The first commercial domestic EcoCute was marketed in Japan by in May 2001, and several manufacturers sold 1.74 million units there cumulative total 300 thousand units in 2001 (fiscal year, April to March), by 2008, and 9.01 million units by August 2023.EcoCute: number of units , cumulative transition, shipments, 9.01 million by August 2023 Archived: Bar graph describes: EcoCute, number of units in transition, cumulative shipments (エコキュート累積出荷台数の推移), Horizontal axis represents year (Japanese fiscal year Apr.-Mar.)