diego while trying to rescue a group of hikers who were stranded in the extreme heat. our crews then hiked back down the trail to look for him and found him about a quarter mile back down the trail unresponsive. in neighboring arizona. swamp cooler we don t have a.c. more than 200 cooling and hydration centers like this have been set up around phoenix as temperatures there soar past 100. i come over here to be in a cool environment. record heat has translated into record demand for electricity. the agency which oversees texas power grid says the system is holding with plenty in reserves. however, energy companies are asking folks to voluntarily conservative, simple things like closing your blinds and shades. it really makes a difference in keeping your house cooler and, therefore, meaning that your hvac system doesn t kick on as often. ircot set all time record last week for energy use with