HEATING
Chimney Liner Cost: In 2026
Estimate chimney liner installation cost — with the free chimney calculator.
A chimney liner protects your home from heat and gases — and it's required when you install a wood stove or gas appliance. Here's the real 2026 cost.
THE SHORT ANSWER
The short answer
Chimney liner installation runs $1,000–$3,500 in 2026. Stainless steel liners run $1,000–$2,500; aluminum $500–$1,500; cast-in-place $2,500–$5,000+. Labor is most of the cost — the liner itself runs $200–$800.
What it costs
A stainless steel flexible liner runs $1,000–$2,500 installed. Aluminum runs $500–$1,500. Cast-in-place runs $2,500–$5,000+. The liner material runs $200–$800; labor and access are the rest. Replacing a failed liner runs $2,000–$4,000.
- Stainless steel: $1,000–$2,500
- Aluminum: $500–$1,500
- Cast-in-place: $2,500–$5,000+
- Replacement: $2,000–$4,000
Why liners matter
A liner protects the masonry from heat and corrosive gases, contains creosote and provides proper draft. It's code for new stove and gas installations — an unlined chimney is a fire risk. Many insurance companies require a liner for wood stoves.
Try the chimney calculator
Enter the liner cost and labor to rough out the total.