KONNEN is the European brand for heat pumps which belong to Zhejiang CEN New Energy Technology Co., Ltd. With its long history and focusing on heat pump development, it has been known as good quality and excellent service.We are an innovative and high technology enterprise, located in Haiyan, Zhejiang province, covering more than 18,000 square meters, owning more than 300 staffs, with advanced production line and modern office building. As a professional heat pump factory, we have our own R&D team, installation team, after service team, and complete performance laboratory. Our company mainly produces air source heat pumps for home and commercial use, ground/water source heat pumps, combine cooling heating & hot water heat pumps, swimming pool heat pumps. Moreover, besides standard products, we also research and develop an extensive range of customized products to meet different requests from customers. We have obtained CE and ISO, established the international standard production system and quality control system. Based on the strong scientific research capabilities, international standards of management, advanced marketing concept and good after-sales service, we have gained lots of agents respect and thousands of users supporting in both domestic and overseas market. We hope our heat pumps help to establish a green life style, comfortable and energy saving, for you, for us!