St. Louis Service Pricing Guide: Chimney, Air Duct & Dryer Vent Cleaning Costs

At The Mad Hatter Service Company, we believe in transparent pricing. We provide free estimates and work with you to find the right service for your home and budget. Below is a general pricing guide for our most popular services in the St. Louis metro area.

Note: Final pricing depends on your system's size, condition, and accessibility. Call us at (636) 946-1622 for a personalized quote.

Chimney Cleaning & Inspection Pricing

• Standard Chimney Sweep + Level 1 Inspection with Interior Video: Starting at $199 — Includes creosote removal, camera evaluation, chimney cap/crown/damper check, and a digital Health Grade report.

• Gas Fireplace Clean & Check: Starting at $149 — Cleaning of gas logs, burners, and venting system; carbon monoxide safety check.

• Level 2 Forensic Diagnostic Audit (via The Chimney Safety Firm): Contact for pricing — Required for real estate transactions, insurance claims, and legal documentation. Includes full forensic video analysis and multi-page certified report.

Air Duct Cleaning Pricing

Our air duct cleaning pricing is based on the number of supply/return vents, the size of your home, and system complexity. We use a truck-mounted 12,000 CFM Caddy Vac system — the most powerful available — ensuring results that portable vacuum-based services cannot match.

• Whole-Home Air Duct Cleaning (up to 2,000 sq ft): Starting at $399 — Includes all supply and return duct cleaning, register/grille cleaning, and air handler housing decontamination.

• Whole-Home Air Duct Cleaning (2,000–3,500 sq ft): Starting at $499

• Whole-Home Air Duct Cleaning (3,500+ sq ft / multi-story): Starting at $599+ — Final price based on system size and number of vents.

• Post-Construction / Post-Renovation Cleaning: Additional charge may apply due to heavy debris loads.

Dryer Vent Cleaning Pricing

• Standard Dryer Vent Cleaning: Starting at $129 — Includes airflow diagnostics, mechanical brush cleaning from appliance to exterior exit, and final performance check.

• Dryer Vent Cleaning + Transition Hose Replacement: Starting at $179 — Includes cleaning plus replacement of unsafe or damaged flex duct with code-compliant rigid metal ducting.

• Long-Run or Multi-Story Dryer Vent: Additional charges may apply for runs over 25 feet or complex routing.

Chimney Repair & Restoration Pricing

Repair and restoration work is custom-quoted based on the scope of work required after inspection. All repair pricing includes IRC-compliant materials and transferable warranties.

• Chimney Crown Replacement: Starting at $450 — Reinforced concrete crown with proper overhang and drip edge.

• Tuckpointing / Mortar Joint Repair: Starting at $295 — Missouri freeze-thaw specialist using vapor-permeable materials to prevent future spalling.

• UL-Listed Stainless Steel Flue Relining: Contact for quote — Sized specifically to your appliance's BTU output for proper draft and zero CO leakage.

• Chimney Cap Replacement: Starting at $125 — Commercial-grade stainless steel caps.

• Full Chimney Rebuild: Custom quote required — contact us for a thorough structural assessment.

Bundle & Save

• Chimney Sweep + Air Duct Cleaning Bundle: Ask about our combo savings when scheduling both services in the same visit.

• Annual Maintenance Plans: Ask about discounted recurring service agreements for homeowners who schedule yearly.

Get a Free Estimate

All prices listed are starting estimates and may vary based on your specific system. We encourage you to call us at (636) 946-1622 or book online for an accurate quote. We never upsell services you don't need — our inspections guide only by what your home truly requires.