As much of the U.S. copes with stifling heat this weekend, air conditioners have been humming, aiding comfort and survival. But what's the best temperature setting during a heat wave? And what can you ...

Much of the United States is roasting under a heat dome, with 160 million Americans affected by a heat wave stretching from the Lower Mississippi Valley and Midwest to the East Coast, the National ...

During a widespread heat wave, the ideal thermostat setting depends on individual comfort, health conditions, home insulation, other cooling methods, and budget. While 78 degrees is often cited as ...