Temperatures have peaked at or above 110°F (43.3°C) this month in Phoenix, Arizona, the United States. Air conditioning, which made modern Phoenix even possible, is a lifeline.
When a cloudless sky combines with outdoor temperatures over 100°F (37.7°F), your house turns into an “air fryer” or “broiler”, as the roof absorbs powerful heat and radiates it downwards, said Jonathan Bean, co-director of the Institute for Energy Solutions at the University of Arizona. Bean knows this not only from his research, he also experienced it firsthand on a recent weekend when his air conditioner broke.
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