Linnai Co., Ltd. was founded in 1920. For nearly a hundred years, it has always insisted on providing the society with a "comfortable life" through "thermal energy". As the world's manufacturer of integrated thermal energy equipment, Linnei has always been committed to the research, development, production and sales of diversified products. No matter what era, Linne is challenging and reforming to provide comfortable life to people at home and abroad. Now, climate warming and energy issues are global issues. There has been a huge change in the way people live and use energy. Linnei is not limited to the development of a single energy product and has the technical R&D capabilities of a multi-energy system combination. Provide a comfortable and wonderful lifestyle for people around the world.

Linnei's "Eco high-efficiency gas water heater" and the mixed energy hot water heating system "ECO ONE" that integrates gas, air energy and other mixed sources, mainly focus on developing more energy-saving products in the industry. Even when it is aimed at overseas markets, it also provides environmentally friendly products. In the United States, where environmental regulation is strictly regulated, environmentally friendly solar water heater systems are adopted, from water storage water heaters to instant water heaters. In the future, both in Japan and overseas, we must be committed to energy conservation and environmental protection, as well as the development and promotion of multi-energy combination heat source machines.

To achieve Linne’s brand commitment—“create a healthier lifestyle,” Linne aims to address social challenges in my business by leveraging multiple energy sources, as well as Linne’s own core technologies—“Heat and Life”, “Health and Life". Linne hopes to better provide solutions to global social problems and achieve sustained, stable and long-term growth.

Adhering to the basic principles of localized production and sales, Linne is committed to providing appropriate products and services for the living environment and climate of various countries, and continues to provide job opportunities and high-quality development platforms for local talents. Linnei has always taken the global development vision to continuously improve the dietary health and housing facilities of local people, and has laid a solid foundation for promoting the vigorous development of local employment. As of March 31, 2024, Lin Nei has a total of 48 companies worldwide, including 45 subsidiaries, 2 associates, and 1 representative office.

In September 1993, Shanghai Linnei Co., Ltd. was jointly invested and established by Linnei and Shanghai Gas (Group) Co., Ltd. and is a Shanghai high-tech enterprise. Adhering to Linnei's technological heritage for nearly a hundred years, relying on Linnei's advanced equipment, processes and R&D capabilities, the company produces gas water heaters, gas stoves, wall-mounted boilers, range hoods, embedded kitchen appliances, air source heat pump systems and whole-house water purification systems. Mainly used products, it has been evaluated by JIA Quality Assurance A-level factory. Shanghai Linnei adheres to the concept of "creating a healthier lifestyle" as the development of the enterprise and is committed to providing more users with a healthy, comfortable and high-quality life.