Key Facts
• The “Tokyo Heat Countermeasures Expo” began on July 23, 2025.
• A record 119 companies participated, showcasing heat prevention products.
• Heatstroke prevention in workplaces was mandated by Japan’s Ministry of Health in June 2025.
• A wearable air conditioner can lower temperatures by up to 20°C using water and power.
• A wristband estimates core body temperature and alerts users to abnormalities.
• The “BODYCOOL SMART-X” vest cools the body without batteries and is lightweight.
• A hat version of the cooling vest is planned for release in 2026.
• The expo runs for three days, featuring innovative heat management solutions.
Summary
The Tokyo Heat Countermeasures Expo, held from July 23 to 25, 2025, highlights innovative solutions for extreme heat. With workplace heatstroke prevention now mandatory in Japan, a record 119 companies showcased products aimed at combating high temperatures. Notable items include a wearable air conditioner that reduces temperatures by up to 20°C, a wristband that monitors core body temperature, and the “BODYCOOL SMART-X” vest, which cools the body without requiring batteries. A hat version of the vest is set for release in 2026. The expo demonstrates the growing importance of heat management technologies in daily life and workplaces.
