 But low-income families often do sacrifice cooling. Institute President Chris Wheat says that means running the air conditioner less and putting up with higher indoor temperatures. It's not just uncomfortable, right? Like, you start to get into sort of health implications at some point. And so it's just kind of another dimension of inequality. More than one out of five families surveyed by the Census Bureau this summer said they'd kept their home at unsafe or unhealthy temperatures in order to save on their utility bills. Scott Horsley, NPR News, Washington.