Red Flag or Normal?

Cracked heat exchanger suspected

DRAFT: severity and verdict are pending review by a licensed inspector.

HVAC Severity: Safety

What it means

Possible carbon monoxide risk in a gas furnace.

Negotiate or walk away?

Get an HVAC evaluation before closing.

Who to call

HVAC contractor

Typical repair cost

$3,000–$7,500 (furnace replacement) (source). Get a local quote.

General information, not a substitute for your own inspection.