July 18, 2011 8:06 am Mr. Fix It: Keeping Your Home Cool Lou Manfredini explains how to get the most out of your air conditioning unit or fan. Local 2:17 Reward increases to $100K for arrest in Chicago Police Officer Luis Huesca's killing 2:00 Thornton Township residents seek answers over use of taxpayer dollars 1:42 Warrant issued for suspect in murder of Chicago police officer 2:15 Politicians, season ticketholders skeptical on Bears' plans for new stadium 2:09 Former Foxtrot, Dom's employees protest after abrupt closures