okonoff is an expert and famous brand in the HVAC area, founded in 2002, headquarter in Shanghai. Who is an new and high technology enterprise integrates with design, manufacture and distribution of the HVAC & intelligent building energy-saving control product and device. Group of brands: ‘okonoff’, ‘oksystem’, ‘Dupair’, etc

okonoff always insist on the scientific and technological, innovation and development as basis, over fifty products obtained technology patents, three products won High-tech Transformation Award, and two products got software copyright protection, also most of our products passed CE, UL, CQC, CCC, TUV, RoHs certification.

Our products have been widely applied in some large and important projects so far. Meanwhile, our products were exported to more than 30 countries and regions.