>> and if you're getting ready to flip the ac on, here's a fact to keep in mind. average american family spend $400 between june and august alone just cooling their homes. abc's linzie janis has more on how to slash the bill. >> the spurs are the 2014 nba champions. >> reporter: last night san antonio beat the heat on the court. and now, becky torres and her san antonio family are trying to beat the heat at home. you use your air conditioner a lot, i'm assuming. >> yes, i do. >> reporter: they spend a hefty $130 every month to keep cool. but thanks to a new and free gadget from her local energy company, that's about to change. >> i'm excited. i can't wait to start saving money. >> reporter: this think eco smart ac kit connects to your air conditioning unit might make it smarter and save you money. allowing you to control your ac from your smart phone, when you