Nihon Netsugen Systems Co., Ltd.

Since its establishment in 1987, Nihon Netsugen Systems has been one of the leading companies for large-size heat pumps and industrial refrigeration. In 1999, Nihon Netsugen Systems started a partnership with GEA in Germany. In 2012, Nihon Netsugen Systems began R&D of CO₂ condensing units. The main objectives were to obtain stable operation in hot summer climates and provide energy savings on an annual basis. In 2015, the first CO₂ condensing unit named the “Super Green” was launched in Japanese market. Now Nihon Netsugen Systems is a leading company of CO₂ units in the Japanese market. The main factory is located in Shiga, near Kyoto. The factory always welcomes visitors to share natural refrigerant trends. “We believe in science.” Nihon Netsugen continues to play an active role in achieving SDGs and carbon neutrality by further promoting the Super Green series. Nihon Netsugen Systems has successfully completed the 2025 ATMOsphere Label process and has been approved as a best-in-class natural refrigerant gas manufacturer for the second year in a row.