Chimney Sweep Invoice Template — Free Download (2026)

Your CSIA certification number and technician name

CSIA Certified Chimney Sweep (CCS) is the industry-standard credential issued by the Chimney Safety Institute of America. Including your CSIA credential number on every invoice — 'CSIA Certified Chimney Sweep #CSIA-XXXXX, Technician: [Name]' — demonstrates that the work was performed by a credentialed professional. For homeowners filing insurance claims after chimney fires or carbon monoxide incidents, documentation of who performed the last service and their credentials is required. Many homeowners' insurance policies also ask whether cleanings are performed by certified technicians — your invoice is their proof. Uncertified sweeps cannot provide this documentation, which is a significant differentiator in customer trust and in post-incident liability protection.

Inspection level performed (NFPA 211 Level 1, 2, or 3)

NFPA 211 defines three levels of chimney inspection, and the level performed must be documented on every invoice. Level 1 inspection: visual inspection of accessible portions of the chimney and firebox — recommended annually for chimneys in continuous use with no changes to the appliance or fuel type. Level 2 inspection: includes video scan of the interior flue — required when buying or selling a home, after any chimney fire, after a natural disaster, when changing fuel types or appliance, or when a Level 1 inspection reveals a potential hazard. Level 3 inspection: invasive inspection requiring removal of chimney components — performed when a serious hazard is suspected that cannot be confirmed by Level 1 or 2. Documenting the inspection level on the invoice creates a legal record of what was assessed and protects you from liability claims that you 'missed' something that a more thorough inspection would have caught.

Creosote classification found (Stage 1, 2, or 3)

Creosote buildup is classified in three stages, and the classification found should always be documented: Stage 1 (dusty or flaky deposits): cleaned routinely with standard brushing tools. Stage 2 (tar-like, shiny deposits): requires special chemical treatments before brushing; more labor-intensive. Stage 3 (thick, glazed, hardened deposits): requires professional chemical treatments and may require multiple visits; is a serious fire hazard. Documenting the creosote stage found protects you from claims that the chimney wasn't cleaned properly — if a homeowner has Stage 3 creosote and only paid for a basic sweep, you need documentation that you informed them of the hazard and what full remediation requires. It also creates a baseline for future visits: 'Stage 1 creosote found on this visit (vs. Stage 2 on prior visit, June 2025) — reduction indicates proper burning habits.'

Appliance type, fuel type, and flue liner material

Document the specifics of the system you serviced: appliance type (wood-burning fireplace, gas fireplace with decorative log set, wood-burning insert, pellet stove, oil furnace flue, multi-fuel stove), fuel type used, and flue liner material (terra cotta tile, stainless steel, cast-in-place). This documentation matters because: different appliances have different creosote production rates and inspection requirements; fuel changes require Level 2 inspection and potentially liner upgrades; and liner material affects what repair options are available and at what cost. An invoice that says 'chimney cleaned' gives no information about what system was cleaned. 'Wood-burning fireplace, terra cotta tile liner, 8"×12" rectangular flue, 25 ft height' is a complete system record.

Condition findings and recommendations with urgency level

Every chimney invoice should include a brief condition summary and any recommendations with a clearly communicated urgency level. Standard categories: (1) No deficiencies found — system is safe for use as-is; (2) Recommend attention — non-urgent repairs identified, safe to use until next service; (3) Recommend prompt attention — repair should be scheduled within 30–90 days, use with caution; (4) Do not use — serious hazard identified, chimney unsafe for use until repaired. Documenting recommendations with urgency levels does two things: it gives the homeowner clear guidance without ambiguity ('should be repaired' vs. 'do not use'), and it protects you legally if the homeowner ignores a critical finding and a chimney fire occurs. 'Do not use — Stage 3 creosote, full remediation required before operation. Customer informed in writing.' is the documentation that protects you.

Parts and components installed with model/serial numbers

For any parts installed during the service visit — chimney caps, damper plates, smoke guards, liner sections, cleanout doors — document the manufacturer, model number, and installation date. 'Chimney cap: Olympia Chimney Supply #OC24TT, stainless steel, 24"×24" with mesh screen, installed June 14, 2026' gives the homeowner the information they need for a warranty claim if the cap fails. It also documents that you used a real component, not a generic part. For liner installations, document the liner type, diameter, length, and any associated components (insulation, termination cap, rain cap, connector).