Start with what you noticed
Chimney Problem Navigator
A symptom can have several causes. Use these observation cards to prepare for an assessment without attempting a diagnosis or recreating a dangerous condition.
Observation → questions → next step
Routine maintenance
Arrange an inspection and ask whether cleaning is needed for the condition found.
Information to collect
- Last inspection and cleaning dates
- Fuel and approximate frequency of use
- Appliance make and model, if known
Ask the contractor
- Does the price include inspection and cleaning, or are they separate?
- Which connected components are included in the cleaning?
- What findings and photographs will I receive?
Observation → questions → next step
Water or staining near the chimney
Request water-entry diagnosis covering the roof joint and chimney termination. Avoid using an affected appliance until its condition is assessed.
Information to collect
- Whether staining follows rain or appliance use
- Room and surface where moisture first appears
- Ground-level photographs and dates of changes
Ask the contractor
- Which entry path is supported by the evidence?
- Will you examine flashing, crown or chase cover and cap?
- How will the proposed repair be checked afterward?
Observation → questions → next step
Smoke entering a room
Stop using the appliance. If smoke is accumulating, a fire is suspected or an alarm sounds, leave and call emergency services from outside. Arrange professional assessment before reuse.
Information to collect
- Whether the symptom occurred at startup or during use
- Recent appliance or ventilation changes
- Any alarms or visible damage; do not recreate the problem
Ask the contractor
- Will the assessment address the full venting path?
- Could appliance compatibility or house pressure be involved?
- What must be resolved before use resumes?
Observation → questions → next step
Persistent chimney odor
Have persistent odors assessed. Odor cannot rule out carbon monoxide; an alarm or suspected gas leak requires leaving the building and contacting emergency services or the utility from outside.
Information to collect
- Whether the appliance is running when odor appears
- Recent rain, humidity or ventilation changes
- Last service report and any known leak
Ask the contractor
- Will you evaluate deposits, moisture and airflow?
- Is cleaning sufficient or is further investigation needed?
- What evidence supports the recommended remedy?
Observation → questions → next step
Falling debris or suspected nesting
Keep the appliance off and request an inspection for obstruction or deterioration. Do not light a fire to drive animals out or attempt rooftop removal.
Information to collect
- Photographs of material without disturbing it
- Sounds or changes noticed from inside
- Known cap damage or recent storms
Ask the contractor
- What is the material and where did it originate?
- Is wildlife handling needed before chimney work?
- Which termination fits this specific system?
Observation → questions → next step
Home purchase or appliance change
Describe the transaction or appliance change and ask which inspection scope is appropriate before relying on the system.
Information to collect
- Seller reports and repair invoices
- Appliance type and intended fuel
- Planned changes to inserts, stoves or venting
Ask the contractor
- What inspection level fits this change?
- Will flue imaging and accessible concealed spaces be included?
- What limitations remain after the inspection?
Turn these questions into your printable service request or find companies in your state.