Does this calculator guarantee NFPA 96 compliance?

No. The calculator is a planning aid for documentation and customer handoff. Always verify current NFPA 96 requirements, local AHJ expectations, customer contracts, and insurer rules.

How should contractors use the cleaning frequency result?

Use the result to document the recommended next service date, explain the cooking profile behind the recommendation, and keep any stricter customer or AHJ rules visible in the final service report.

Kitchen exhaust cleaning frequency calculator

Calculate the next hood cleaning date before the customer asks.

Estimate a kitchen exhaust cleaning interval from cooking type, operating hours, solid fuel, high-volume grease load, last service date, and stricter customer or AHJ requirements.

Use the free tool See the report software

90 days

Next service Quarterly plan

High-volume operation with report-ready handoff notes.

Free planning tool

Calculate the next cleaning interval

Enter the cooking profile and last cleaning date. The calculator returns a practical service interval, next service date, and report notes for customer handoff.

Cooking operation

Daily operating hours

Standard profileUse the selected operation type.High-volumeCharbroiler, wok, heavy grease, or long hours.Solid fuelWood, charcoal, or similar cooking source.

Last cleaning date

Customer, insurer, contract, or AHJ requires a stricter interval

Recommended frequency

Quarterly cleaning plan

Next service dateOct 15, 2026

High-volume cooking based on the selected cooking profile.

Quarterly14 hours/dayDefault planning interval

Why this interval was selected

High-volume cooking profile: 24-hour, charbroiling, wok, or heavy grease-producing operations.
14 operating hours per day entered.
High-volume cooking selected, so quarterly planning is used unless a stricter rule applies.

What to document in the report

Record the calculated next service date in the customer report.
Keep before/after photos tied to the system cleaned on this interval.
List grease-load observations that support the next cleaning recommendation.
Note any customer, insurer, contract, or AHJ rule that overrides the default interval.

Customer handoff language

Recommended interval: Quarterly.
Last cleaning date: Jul 15, 2026.
Suggested next service date: Oct 15, 2026.

Standards and AHJ note

This calculator is a planning aid, not the NFPA 96 standard.
Verify current NFPA 96 requirements, local AHJ expectations, customer contracts, and insurer rules before relying on an interval.
If observed grease accumulation is heavier than expected, recommend a shorter interval and document the reason.

Put the next service date directly into the customer report.

HoodCleaningReport keeps the interval, photos, deficiencies, signoff, and PDF delivery tied to the job record.

Create a signed report

Want this as a reminder workflow?

Email capture or calendar reminders can be connected once a marketing automation endpoint is available.

Frequency workflow

Use the interval as a documented recommendation.

The calculator helps crews and office staff explain why a next service date was recommended. Add the date to the service report, then support it with photos, grease-load notes, deficiencies, and any stricter customer requirements.

Capture visible grease-load evidence before cleaning starts.
Document whether the operation uses solid fuel, charbroiling, wok cooking, or long hours.
Record customer, insurer, contract, or AHJ rules that shorten the interval.
Keep the next service date visible in the customer handoff.

Standards note

What this calculator does not replace

This free calculator is a documentation and planning aid. It is not the NFPA 96 standard, does not certify an interval, and does not guarantee acceptance by an AHJ, insurer, customer, or fire marshal.

Verify the current standard, local authority expectations, customer contract requirements, and observed system condition before relying on any interval.