Taikisha Ltd (Taikisha) designs and constructs HVAC systems for various facilities, aiming to provide comfortable and healthy indoor environments. The company serves industries such as office buildings, commercial facilities, schools, hospitals, hotels, art galleries, airport terminals, factories, and R&D facilities. Taikisha is known for its expertise in industrial HVAC systems, automotive paint finishing systems, and hydroponic plant factories.

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Taikisha has been actively pursuing the development of products that enable customers to create new forms of value. The company focuses on promoting energy savings, reducing environmental impact, and other related activities. Its R&D initiatives include the development and verification of technologies related to green transformation and digital transformation, such as automation, energy-saving systems, digital engineering, and advanced production processes. In FY2025, the company strengthened its R&D framework with the launch of the TAIKISHA INNOVATION SITE AIkawa (TISA), which serves as a core facility for technology verification, visualization, and testing, while supporting open collaboration with customers, academic institutions, and research partners. The company's R&D activities also cover the development and testing of paint finishing systems, process optimization, and automation solutions across its business segments. The R&D units of Taikisha include its research and development centers and technical centers. These units are responsible for promoting the development and verification of technologies related to green transformation and digital transformation, including automation, energy-saving systems, digital engineering, and advanced production processes. In FY2025, the company incurred research and development expenses of JPY1,312 million which was 0.5% of the company’s total revenue.