DIY Furnace Ignitor Replacement: Costs, Signs & Pro Tips

Close-up of a hand holding a new furnace ignitor inside an open furnace cabinet, serving as a visual guide for DIY Furnace Ignitor Replacement: Costs, Signs & Pro Tips.

From field experience, a failed ignitor generates more unnecessary service calls than any other single furnace problem. The part itself runs $20 to $80.  Most homeowners who’ve confirmed the diagnosis complete the repair in under 30 minutes. When a furnace runs through its startup cycle without producing heat, the ignitor is almost always where to … Read more