YUASA Group Launches 'Cool Shell' Portable Cooling Shelters to Combat Heatstroke Starting at ¥30,000 Monthly
YUASA Group has introduced an affordable, high-performance portable cooling shelter designed to balance rapid body temperature recovery with safety monitoring for high-heat work environments.
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- 📰 Published: May 28, 2026 at 16:00
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YUASA CO., LTD. (Chiyoda-ku, Tokyo; President: Hiroyuki Tamura) has developed and initiated a rental service for 'Cool Shell,' a container-type shelter engineered to rapidly cool workers stationed in harsh summer environments.
[Product Overview]
'Cool Shell' transcends the conventional concept of a simple breakroom. It was developed as a 'physiological recovery shelter' for workers at sites with high heatstroke risks. Its modular, portable design allows for rapid deployment across various locations, from construction sites to event venues.
■ Four Key Features of 'Cool Shell'
1. Exceptional Cooling Performance: The compact 3.3-square-meter space (designed for 4 people) is equipped with a Daikin air conditioner. Capable of reaching a setting of 18°C, it ensures rapid body temperature recovery for workers returning from extreme heat.
2. Insulation via Special Thermal Film: To overcome the high heat conductivity of traditional large windows, a special film that blocks 99% of infrared rays and 0% of UV rays is applied. This suppresses temperature rises, maintains stable cooling, and contributes to energy efficiency.
3. Safety through External Visibility: One side features a large transparent FIX window to eliminate claustrophobia. This design ensures a relaxing environment while allowing external personnel to monitor workers' conditions, enabling an immediate response if health issues arise during rest.
4. Accessible Cost Structure: Despite its high functionality, the shelter is available for rent at a reference price of ¥30,000 per month (excluding transport fees). This price point makes it accessible for short-term sites and small-to-medium-sized workplaces.
■ Application Examples
The shelter is suitable for permanent rest areas at construction and civil engineering sites, medical/cooling spots for outdoor events, cooldown zones for factories and warehouses, and agricultural operations.
■ Specifications
Size: 1,995mm x 1,995mm x 2,611mm (Height)
Equipment: 8-tatami-rated air conditioner, large transparent FIX window with special thermal film treatment.
■ Background of Development
Record-breaking summer heat in recent years has intensified the risks of working outdoors or in non-air-conditioned environments. Heatstroke-related industrial accidents have become an urgent challenge in construction, manufacturing, and agriculture. YUASA Group developed this product to contribute to the goal of 'Zero Heatstroke Fatalities' by focusing specifically on rapid thermal recovery.
[Product Overview]
'Cool Shell' transcends the conventional concept of a simple breakroom. It was developed as a 'physiological recovery shelter' for workers at sites with high heatstroke risks. Its modular, portable design allows for rapid deployment across various locations, from construction sites to event venues.
■ Four Key Features of 'Cool Shell'
1. Exceptional Cooling Performance: The compact 3.3-square-meter space (designed for 4 people) is equipped with a Daikin air conditioner. Capable of reaching a setting of 18°C, it ensures rapid body temperature recovery for workers returning from extreme heat.
2. Insulation via Special Thermal Film: To overcome the high heat conductivity of traditional large windows, a special film that blocks 99% of infrared rays and 0% of UV rays is applied. This suppresses temperature rises, maintains stable cooling, and contributes to energy efficiency.
3. Safety through External Visibility: One side features a large transparent FIX window to eliminate claustrophobia. This design ensures a relaxing environment while allowing external personnel to monitor workers' conditions, enabling an immediate response if health issues arise during rest.
4. Accessible Cost Structure: Despite its high functionality, the shelter is available for rent at a reference price of ¥30,000 per month (excluding transport fees). This price point makes it accessible for short-term sites and small-to-medium-sized workplaces.
■ Application Examples
The shelter is suitable for permanent rest areas at construction and civil engineering sites, medical/cooling spots for outdoor events, cooldown zones for factories and warehouses, and agricultural operations.
■ Specifications
Size: 1,995mm x 1,995mm x 2,611mm (Height)
Equipment: 8-tatami-rated air conditioner, large transparent FIX window with special thermal film treatment.
■ Background of Development
Record-breaking summer heat in recent years has intensified the risks of working outdoors or in non-air-conditioned environments. Heatstroke-related industrial accidents have become an urgent challenge in construction, manufacturing, and agriculture. YUASA Group developed this product to contribute to the goal of 'Zero Heatstroke Fatalities' by focusing specifically on rapid thermal recovery.
FAQ
How many people can the Cool Shell accommodate?
It is designed for approximately 4 people within a 2-tatami mat (approx. 3.3sqm) space.
Is the unit portable?
Yes, it features a modular assembly design that provides high portability for rapid installation at various site locations.
What is the primary safety benefit of the large window?
The transparent window allows supervisors to monitor the well-being of resting workers, ensuring quick detection if someone’s condition deteriorates suddenly.