Japan’s summers are becoming unbearable, with recent heat waves sending dozens to the hospital daily. In response, a Tokyo-based refrigeration company called SDRS developed something that sounds straight out of science fiction: the Do Hiemon Box, a personal cooling cabinet designed for humans to literally sit inside. The metallic chamber cools to approximately 5°C and directs frigid air toward your head, neck, shoulders, and back for ten minutes, rapidly reducing body temperature and alleviating heat exhaustion symptoms.
The innovation goes beyond just being weird. The Do Hiemon Box maintains a constant temperature of 15°C, offers three distinct cooling modes, and includes an automatic shutoff after twenty minutes to prevent overcooling. It consumes roughly half the energy of standard mobile air conditioners and requires zero installation, making it portable and cost-effective for businesses. At $9,200 per unit, companies and government organizations are already deploying these boxes in workplaces and public spaces, with some municipalities offering free access to citizens during extreme heat events.
This solution reveals something important about how different cultures approach climate crisis adaptation. While the Do Hiemon Box might seem absurd at first glance, it addresses a genuine safety crisis with practical engineering. As global temperatures continue climbing, expect more unconventional cooling solutions to emerge. The question isn’t whether they’re weird; it’s whether they work. So here’s what we want to know: if your city installed these for free public use, would you actually try it?
About the Author
Andrew Johnson
Andrew Johnson is a contributor to LocalBeat, covering local news and community stories.
