08/30/2026
PUT A LINER IN IT!
Putting a liner in your heater chimney is a good idea because it enhances safety by preventing fires and carbon monoxide leaks, protects the chimney's structure from corrosive byproducts, and improves heating efficiency by optimizing the draft. A liner acts as a barrier between the high heat and acidic gases of the flue and the surrounding masonry, and a proper liner size can help the appliance run more efficiently and safely.