Where the money goes
Part $2,500–$5,000Labor $0–$5,500Typical labor time: 6–10 hrs
You might need this if…
DIY difficulty: professional-only•Major heat exchanger failure
•End of equipment life
•Upgrading for efficiency
The part
High-efficiency condensing furnaces cost more but save fuel. Installation includes PVC venting and condensate drainage.
This is general information, not professional advice. Gas, electrical, and combustion repairs can be dangerous — when in doubt, call a licensed technician.