Do Chimney Sweep Companies Try to Upsell You? How to Read an Inspection Report

By Robert (Bob) Anderson, 28 years of experience · November 8, 2026 · 6 min read

Whether chimney sweep companies try to upsell you is clear from the report: each recommendation should name a condition, show evidence, and explain why the work matters.

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Do Chimney Sweep Companies Try to Upsell You? Check the Finding

An inspection can uncover work beyond routine sweeping, but a recommendation should connect to a visible condition—not just a verbal warning. Ask which part of the chimney has a problem, what the inspector observed, and what could happen if you leave it alone.

A useful report separates what was inspected from what needs attention. It should identify the appliance or chimney area, describe the condition, and make clear whether the recommendation is for cleaning, repair, or a more detailed inspection.

What a Chimney Inspection Report Should Tell You

Use the report to match each proposed task to a finding. Ask for photos or a view of the condition from a safe location when the written description is hard to understand.

• Inspection level — Check whether the report identifies the inspection level. A Level 1 inspection checks readily accessible parts and whether the flue is blocked; it is the usual level for routine annual checks when nothing has changed.
• Exact location — Look for a named part, such as the flue, firebox, damper, smoke chamber, chimney crown, or flashing. A recommendation that says only “chimney problem” does not tell you what work is proposed.
• Condition and evidence — The report should describe what was found and show how the inspector reached that conclusion. Ask for a photo or a clear explanation if the damage or buildup is not visible from where you are standing.
• Recommended work — Check that the proposed task matches the finding. For example, a buildup concern calls for a cleaning discussion, while a damaged masonry area points to a repair question.
• Next inspection or repair — Ask whether the finding needs action now, a closer inspection, or monitoring during the next annual check. The answer should relate to the condition documented in your report.

Choose Level 1 or Level 2 for the Change You Need Checked

The right inspection depends on what has changed and which parts need access. The CSIA Standard Operating Procedures distinguish routine accessible checks from inspections that require additional access and a video scan.

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Use These Steps to Check Each Chimney Recommendation

Review the report while the findings are fresh, and keep the discussion focused on the affected part and the evidence.

1. Confirm the inspection level — Find the level on the report and compare it with the reason for the visit. If the concern followed a fire, weather event, sale, or relining, ask whether Level 2 is appropriate under the CSIA procedure.
2. Match every recommendation to a part — Write down the named component beside each proposed task: for example, flue, damper, crown, or flashing. Check that the report describes a condition in that same area.
3. Ask what the evidence shows — Request an image or a plain-language description of the finding. A flashlight can help you look into a cold firebox from the room, but do not climb onto the roof or enter the chimney to inspect it yourself.
4. Separate cleaning from repair — Ask whether the concern is deposits that need removal or a damaged component that needs repair. CSIA recommends sweeping a masonry fireplace chimney at 1/8 inch of sooty buildup, or sooner if glaze is present; factory-built fireplaces should be swept when appreciable buildup occurs.
5. Ask why the work matters now — Have the inspector explain the risk or operating problem tied to the finding. A report should tell you whether the concern affects the flue, draft, structure, or safe use—not just label it urgent.
6. Check whether a closer inspection is needed — If the report recommends a video scan or access to areas not included in Level 1, ask what condition prompted that next step. A Level 2 inspection has a defined purpose and scope, not just a different name for routine cleaning.
7. Get the scope before you approve — Ask for the specific work and affected components in writing. Check the completed work against that scope and keep the report with your home maintenance records.

Know Which Chimney Findings Can Change the Next Step

Creosote is a deposit formed when smoke cools and condenses inside the chimney. CSIA explains that it can appear flaky, sticky and tar-like, or shiny and hardened; restricted air, unseasoned wood, and cool flue temperatures can speed its formation. A chemical product is not a substitute for mechanical sweeping because deposits still need to be removed from places such as the smoke shelf, baffle, and offsets.

The CSIA Homeowner Resources page notes NFPA 211’s guidance to inspect chimneys, fireplaces, and vents at least once a year for soundness, deposits, and correct clearances. It also gives the 1/8-inch masonry buildup threshold. Use the CSIA homeowner guidance to understand those standards, then ask how a finding in your own report relates to them.

A report after a storm deserves a closer look if it identifies damage to the chimney top or roof connection. CSIA recommends Level 2 after a weather event; you can read more about how hail can affect a chimney before discussing a documented concern.

Call a Chimney Sweep When the Report Shows a Specific Concern

Do not use a fireplace or stove to test a reported blockage, damaged flue, or suspected chimney-fire damage. A chimney fire can damage masonry and flue tiles even when the event is not obvious; have a chimney sweep assess the finding instead of trying to verify it by burning another fire.

For an annual check, a cleaning concern, or a report that calls for a closer look, review our chimney inspection service. Denver Chimney Sweep Pros offers free in-home inspections, and the inspection level should match the reason for the visit.

HomeGuide’s 2026 typical US estimates put a Level 1 inspection at about 45–60 minutes and a Level 2 inspection at 1–2 hours. Those figures are general inspection estimates; the level and work involved determine the time for a particular visit. For more cost context, see how much a chimney inspection costs.

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Book a Denver Chimney Inspection With Your Concern Ready

When you book, describe what changed: routine annual service, a new smoke or draft issue, storm damage, or a finding in another inspection report. That detail helps identify whether a routine Level 1 check or a Level 2 inspection is the relevant starting point.

Denver Chimney Sweep Pros serves Denver and towns within 60 miles, offers same-day service, and is open 24 hours a day, 7 days a week. Call (720) 780-8924 or use our contact page to arrange an in-home inspection.

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