Smoke Odor Removal Treatment Calculator
Estimate the treatment product volume, number of applications, and total cost needed to eliminate smoke odor based on room dimensions, smoke severity, and surface types.
Check your product label. Typical range: 8–15 sq ft/oz.
Formulas Used
Surface Areas:
- Floor Area = Length × Width
- Ceiling Area = Length × Width
- Wall Area = 2 × (Length + Width) × Height
- Total Surface Area = Floor + Ceiling + Walls
Adjusted Effective Area:
- Effective Area (sq ft) = Total Surface Area × Severity Factor × Surface Porosity Factor
- This accounts for how deeply smoke penetrates different materials at different exposure levels.
Product Volume per Application:
- Oz per Application = Effective Area ÷ Coverage Rate (sq ft/oz)
Number of Applications:
- Applications = ceil(Severity Factor × Surface Factor), clamped to [1, 6]
Total Product & Cost:
- Total Oz = Oz per Application × Number of Applications
- Total Cost = Total Oz × Cost per Oz
Severity Factors: Light = 1.0 | Moderate = 1.5 | Heavy = 2.2 | Severe = 3.0
Surface Porosity Factors: Hard/Non-porous = 0.8 | Painted Drywall = 1.0 | Wood = 1.3 | Carpet = 1.6 | Upholstery = 1.8 | Porous Concrete/Brick = 2.0
Assumptions & References
- Coverage rates are based on typical liquid odor-neutralizing products (enzymatic, oxidizing, or encapsulating types); always verify with your specific product label.
- Severity and surface porosity multipliers are derived from IICRC S500 Standard for Professional Water Damage Restoration and IICRC S520 Standard for Professional Mold Remediation guidelines adapted for smoke remediation.
- The model treats all four walls, floor, and ceiling as the primary smoke-absorbing surfaces; contents (furniture, clothing) are not included and may require separate treatment.
- Drying/airing time recommendation of 24 hours × severity factor is a conservative estimate; actual time depends on temperature, humidity, and ventilation.
- For fire-related smoke damage, consult a certified fire and smoke restoration technician (FSRT) credentialed by the IICRC.
- Ozone and hydroxyl generator treatments are not included in this volume estimate; those are typically quoted per cubic foot of room volume by professionals.
- 1 fluid ounce ≈ 1 oz by weight is assumed for water-based liquid products (density ≈ 1 g/mL).