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 ...

Phoenix's soaring temperatures have been breaking all-time records, causing at least 25 confirmed deaths so far this year, taking a toll on the city's unhoused population, killing band equipment at ...

With a polar vortex bringing snow to the South for the first time in a longtime, there's a good chance many are clashing over what temperature to keep their homes. The debate over the ideal thermostat ...