With temperatures soaring into the triple digits across the country, it's a battle to stay cool. What happens if your air conditioner breaks? Lifestyle expert Erica Katz demonstrated her tricks for beating the heat. First, she recommends freezing your sheets so they'll be nice and cool when you tuck yourself into bed at night. Want to make your own air conditioner? Katz said to put a bowl of ice in front of a fan. She shared her other tips.