Chimney Sweep vs. Chimney Inspection: What's the Difference?
What a Chimney Sweep Actually Does
A sweep is a cleaning service. A certified technician uses rotary brushes and HEPA vacuums to physically remove creosote, soot, and debris from the flue, smoke chamber, and firebox. It restores draft and reduces chimney-fire risk but is not a diagnostic service.
A typical sweep in Dallas takes 45–90 minutes and costs $200–$400. It's what you book when you know the chimney is dirty or hasn't been cleaned in 1–3 years.
What a Chimney Inspection Does
An inspection is a safety evaluation. NFPA 211 defines three levels. Level 1 is a visual check of accessible parts, done at every annual inspection. Level 2 adds video scanning of the flue interior and is required after a chimney fire, property sale, or fuel change. Level 3 involves partial demolition when a hazard is suspected.
An inspection produces a written report — cracked tiles, missing mortar, damaged cap, gaps in the liner, blockages, animal intrusion. It's what protects you from a house fire and what most insurance policies expect.
Which One Do You Need?
If you use your fireplace at all, you need both — annually. The industry standard is to schedule them together: the tech inspects first, cleans if creosote is present, and re-inspects the newly cleaned flue.
If you're buying a home with a fireplace, always request a Level 2 inspection before closing. Cosmetic issues hide expensive structural damage.