It could be more dangerous inside your house during a heat wave | Fortune

Heat waves can leave homes dangerously hot, even for young, healthy adults

UT Austin: 85% homes lethal for elderly in 110°F blackout; 15% currently risky for healthy adults, 65% by 2100. Grid failure + extreme heat (Texas 2024 precedent) exceed human thermoregulation limits; resilient facility insulation becomes business continuity infrastructure.