By Meredith Jones, Owner, Ally Property Inspections · Published August 6, 2026
Key Takeaways
- Chimney inspection levels describe how deep the evaluation goes — Level 1 is visual, Level 2 adds video scanning and roof/attic access.
- A home inspector examines chimneys and vent systems visually but doesn’t inspect flue interiors that aren’t readily accessible.
- Gas fireplaces need annual cleaning and inspection too, not just wood-burning ones.
- For real estate transactions, a Level 2 chimney inspection by a CSIA-certified sweep is the safest call.
Chimney inspection levels trip up a lot of homebuyers, and honestly, a fair number of agents too. Your home inspector looks at the chimney. The chimney sweep also inspects chimneys, but offers “Level 1” and “Level 2” service. So who does what, and what do you actually need when buying a home? This post sorts out the levels, explains what a standard home inspection covers, and tells you when to bring in a specialist.
What a Home Inspector Covers — and Doesn’t
Under the ASHI Standard of Practice, a home inspector inspects fuel-burning fireplaces, stoves, fireplace inserts, and the chimneys and vent systems that serve them. However, the standard is equally clear about limits. Inspectors are not required to inspect the interiors of flues and chimneys that aren’t readily accessible. Likewise, fire screens and doors, seals and gaskets, automatic fuel-feed devices, and mantles sit outside scope. Inspectors also don’t determine draft characteristics or move inserts and firebox contents.
In other words, the deepest part of the chimney — the flue interior where dangerous problems hide — is largely invisible during a standard inspection. That’s not inspector laziness; instead, it’s the boundary of a visual, non-invasive exam, as we cover in what a home inspection won’t find.
Chimney Inspection Levels Explained
Specialized chimney companies fill that gap, and the chimney inspection levels describe how far they go.
Level 1: The Visual Check and Sweep
A Level 1 inspection visually examines the exterior and interior of the chimney for airflow problems, obstructions, leaks, and damage. The sweep also removes soot, creosote buildup — a flammable combustion byproduct — and obstructions like animal nests, leaves, or debris. For a chimney in regular use with no known changes, an annual Level 1 is the standard maintenance call.
Level 2: The Video Scan
A Level 2 inspection goes deeper. The inspector uses video equipment to examine down inside the flue, and physically accesses the roof, attic, crawl space, and any other area that reveals the chimney’s condition. Because it documents the parts no one can see, a Level 2 is the appropriate choice when a property is being sold, after a chimney fire or weather event, or after any change to the system.
Gas Fireplaces Need Inspecting Too
Many homeowners assume gas means maintenance-free. Unfortunately, that’s wrong. Gas fireplace burner sets wear over time, and aging burners emit gas differently. The changing flame pattern leads to dirty burning and excess soot. Fire-logs can crack, which affects the flame path and prevents proper combustion. In addition, birds and other animals build nests in chimneys, blocking ventilation. Any open combustion system can cause a house fire. Therefore, treat gas fireplaces with the same respect as wood-burning ones: cleaned and inspected annually.
What Buyers in Atlanta and Birmingham Should Do
Older intown homes across Atlanta and Birmingham often carry original masonry chimneys that have outlived several roofs. For these homes especially, our advice is consistent. Get your general home inspection first — we’ll evaluate the visible chimney structure, the firebox, and the vent connections, and we’ll flag concerns. Then, when the home has a fireplace you intend to use, hire a chimney company certified through the Chimney Safety Institute of America (CSIA) for a Level 2 inspection before closing. The combination costs little compared to masonry repairs or, far worse, a chimney fire. For older homes, pair it with our advice on knob and tube wiring — vintage houses keep more than one secret.
Frequently Asked Questions About Chimney Inspection Levels
What are the chimney inspection levels?
Level 1 is a visual examination plus cleaning. Level 2 adds video scanning of the flue interior and access to the roof, attic, and crawl space. A Level 3, rarely needed, involves opening up concealed areas.
Which chimney inspection level do I need when buying a home?
A Level 2 is the standard recommendation for real estate transactions, because it documents the flue interior that no visual inspection can see.
Doesn’t my home inspector check the chimney?
Yes — visually. However, inspectors aren’t required to examine flue interiors that aren’t readily accessible, so deep defects need a specialist’s camera.
What is creosote and why does it matter?
Creosote is a flammable byproduct of combustion that builds up inside flues. Left uncleaned, it becomes the fuel for chimney fires.
Do gas fireplaces really need annual inspection?
Yes. Burners wear and soot accumulates, logs crack, and animals block ventilation. Consequently, gas systems need the same annual cleaning and inspection as wood-burning ones.
Who should perform a chimney inspection?
Choose a chimney company certified through the CSIA (Chimney Safety Institute of America). Certification matters, because chimney work is unregulated in most states.
Start With the Inspection That Sees the Whole House
Your fireplace is one system among dozens we evaluate. Contact Ally Property Inspections to schedule your home inspection in metro Atlanta, Birmingham, or Huntsville — and if the chimney needs a Level 2, we’ll tell you straight.