Track B · CST
Chimney Sweep Certification
Learn the standards-based process for inspecting, sweeping, and clearing wood and gas appliances — creosote removal, level-1 inspections, and cap and damper checks — and prove your competence with a credential homeowners and insurers recognize.
Get certified online — certificate the same day.
- Self-paced
- Instant certificate
- 2-year validity
- Format
- Online, self-paced
- Lessons
- 6 lessons
- Exam
- 10 questions
- Pass mark
- 75% · retries
- Certificate
- Same day
- Validity
- 2 years
Earning potential
How much can you earn?
Standard sweep & cleaning ticket
$150–400 / job
Seasonal demand
fall & winter peaks
Add-on inspection revenue
per-chimney inspection fees on top of the sweep
Illustrative ranges — actual earnings vary by location, effort, and experience, and are not guaranteed.
Why it pays
Why get certified?
Earn homeowner trust
Customers let a stranger onto their roof and into their firebox; a recognized credential is what turns a cold call into a booked job.
Document a defensible inspection
A standards-based level-1 inspection report protects you from liability and gives the homeowner a record insurers and real-estate agents accept.
Capture the inspection upsell
Pairing every sweep with a documented inspection of the cap, damper, and flue adds a second billable service to a single visit.
Work both wood and gas safely
Training on creosote stages and combustion-byproduct hazards lets you confidently service the full range of appliances on your route.
Stand out at the bid
When a homeowner compares quotes, a certificate signals you follow a process — not just a wire brush and a shop vac.
Curriculum
Inside the Chimney Sweep course
6 self-paced lessons, then a 10-question exam — 75% to pass, unlimited retries.
- 1
Understanding Creosote: How It Forms and the Three Degrees
Creosote is the condensed residue of incomplete wood combustion. As smoke rises and cools below roughly 250 F (the condensation point), unburned tars, vapors, and particulates deposit on the flue wall. Slow-burning, smoldering fires, unseasoned (wet) wood, oversized flues, and restricted air all accelerate buildup because they lower flue temperatures and increase unburned volatiles. Creosote is highly flammable and is the primary cause of chimney fires, which can exceed 2,000 F and crack liners.
- 2
The Level 1 Inspection Under NFPA 211
NFPA 211 defines three inspection levels. Level 1 is the standard annual inspection for a system in continuous service under the same conditions, with no changes to the appliance or fuel and no known problems. It is the baseline that accompanies a routine sweep.
- 3
Sweeping Technique: Tools, Rods, and Containment
Match the brush to the flue. Measure the flue's interior dimensions and select a brush slightly larger so bristles maintain wall contact. Use a wire brush for clay-tile and masonry flues; use a poly/nylon brush for stainless steel and other metal liners, since wire scores and corrodes them. Brushes attach to rigid fiberglass rods (for straight, top-down work) or flexible nylon rods, which flex up to about 45 degrees to navigate offsets and past a damper frame.
- 4
Caps, Dampers, and Flue Components
The chimney cap sits at the top and is one of the highest-value protective components. It keeps out rain, animals, and debris, and its spark arrestor (a metal mesh screen, typically required at 3/4-inch openings or smaller depending on code) blocks embers from landing on the roof. During a sweep, inspect the cap for rust, a crushed or missing screen, and secure attachment; a clogged spark-arrestor screen restricts draft and is a common cause of smoke spillage. The crown is the masonry or concrete slab that sheds water off the top of the chimney; check it for cracks that admit water and cause freeze-thaw damage.
- 5
Safety: Combustibles Clearance, PPE, and Carbon Monoxide
A primary cause of house fires is inadequate clearance to combustibles. The standard masonry-chimney clearance to framing and other combustible material is 2 inches for exterior chimneys and interior chimneys (1 inch in some assemblies), and factory-built (metal) chimneys require the clearance stamped on the unit's listing label. Connector pipe (single-wall) generally requires 18 inches to combustibles unless reduced by an approved shield. During inspection, look in the attic and at framing penetrations for charred or scorched wood, insulation contacting the chimney, or framing that was built too close, and flag any violation.
- 6
Documentation, Reporting, and Client Communication
Your written report is the legal and professional record of the visit, so it must be complete and accurate. Document the date, the appliance and fuel type, the inspection level performed (and why), and the scope of what was readily accessible versus what you could not see. Record the creosote degree found, the volume removed, and the method used. Note the condition of the cap, crown, damper, liner, firebox, smoke chamber, and connector, and photograph defects.
Curriculum
What you’ll learn
- Identify the three stages of creosote buildup and select the correct removal method — brushing, rotary, or recommending specialist treatment — for each.
- Perform a level-1 inspection of a readily accessible flue, connector, and appliance, and document findings in a clear written report.
- Inspect chimney caps and spark arrestors for damage, blockage, and animal or debris intrusion, and recommend repairs.
- Test damper operation and seating to confirm proper draft and a positive seal when the appliance is not in use.
- Recognize the distinct hazards of wood-burning versus gas appliances, including creosote ignition risk and carbon-monoxide and acidic-condensate concerns on gas flues.
- Set up and break down the job to protect the home — drop cloths, dual-HEPA vacuum containment, and soot control around the firebox.
- Use rod-and-brush, rotary, and inspection-camera tools correctly and match brush size and material to the flue type.
- Spot common defects — flue cracks, blockages, missing liners, and improper clearances — that warrant a higher-level inspection or service refusal.
What's included
Everything you get with enrollment
One price — the course, the exam, the certificate, and the tools to put it to work.
Self-paced lessons
Practical, standards-based lessons you can start, pause, and finish on your own schedule.
A real certification exam
A short multiple-choice exam that confirms you absorbed the material — 75% to pass.
Instant certificate
Pass and download your personalized Certificate of Completion the same day.
Unique verification ID
Every certificate carries an ID anyone can confirm online — proof customers trust.
2-year validity + renewal
Your credential is valid for two years, with a simple renewal path before it expires.
Free Find-a-Pro listing
Once certified, claim a free listing so homeowners in your area can hire you.
The process
How it works
Enroll & pay
Secure checkout, instant course access.
Complete the course + short quiz
Self-paced lessons, then a short quiz — 75% to pass, unlimited retries.
Download your certificate
Personalized certificate generated instantly, with a unique verification ID.
Your credential
Your certificate
- Holder name and course title
- Unique certificate ID
- Issue date and expiry date (2-year validity)
- Online verification by ID
A NISCR Certificate of Completion confirms completion of NISCR training and examination. It is a professional credential, not a government license. Where local law requires a license to perform a service, the technician is responsible for obtaining it.
Certificate
of Completion
This certifies that
Your Name
has completed
Chimney Sweep
- Certificate No.
- Valid
- NISCR-CST-2026-XXXXXX
- 2 years
Enroll
Enroll today
$199
Course + certificate + renewal eligibility.
Keep going
Related certifications
Questions
Frequently asked questions
- Is this a license?
- No. NISCR is not a government agency, and this is not a state-issued license. It is a professional certification that documents you have been trained in and tested on a standards-based chimney sweeping and inspection process.
- How fast do I get the certificate?
- The same day. Once you complete the short quiz at the end of the course, your certificate is issued immediately for you to download and print.
- Does my state require a license for this work?
- It varies. Some states and municipalities require a business, contractor, or solid-fuel license for chimney work, while others do not. Always check your local requirements — this certification complements those rules and does not replace any license your jurisdiction mandates.
- Does this cover both wood and gas appliances?
- Yes. The course addresses safety and inspection practices for both wood-burning and gas appliances, including the different creosote, draft, carbon-monoxide, and condensate concerns each presents.
- What level of inspection does this certify me for?
- The course focuses on the level-1 inspection — the routine visual inspection of readily accessible portions of the chimney and appliance — and teaches you to recognize when a defect calls for a more invasive level-2 or level-3 inspection by a specialist.
- Do I need prior experience to take this course?
- No prior certification is required. The course is built for newcomers entering the trade and for working sweeps who want a documented credential, walking through tools, process, and safety from the ground up.