Firefighter Brian Carey, 28, of Evergreen Park, died at South Suburban Hospital.
Glenwood Fire Chief Kevin Welsh did not identify the firefighters or the homeowner, whom firefighters saved from the house on their second attempt to rescue him.
Fire officials would not discuss a report from a source who said the resident and the injured firefighters were burned when oxygen tanks inside the home exploded.
The elderly man’s wife escaped the blaze and was taken to a hospital, fire officials said.
Rest in Christ's Peace young man.