Quick Answer
Do I Need a Chimney Liner?
You need a liner (or reline) if your flue is unlined, the clay tiles are cracked, or you've switched heating appliances. A Level 2 inspection confirms it — Clear Path Chimneys checks free and tells you straight.
You likely need a chimney liner if the flue is unlined, the existing clay tiles are cracked or flaking, or you've changed the appliance the chimney serves (for example, a new high-efficiency furnace or a wood stove). An unlined or damaged flue is both a safety and a draft problem. A Level 2 inspection is what confirms it — Clear Path Chimneys does that free and won't sell you a reline you don't need.