How to make cool-headed decisions about fixing your AC

It's only been a week or so since summer officially started and we've already had several 90-degree-plus days. 

With the influx of warm weather, it's likely your air conditioner is working overtime. But if it were to conk out, how quickly would you be able to find a contractor you could trust?

Steve Bernas, president of Chicago's Better Business Bureau, joins Good Day Chicago to talk about three good tips for anyone looking to hire a contractor to fix their air conditioning.