Commercial Exhaust Cleaning in Houston, TX
Full-System Exhaust Cleaning With Before-and-After Photos of Every Section
Full-System Exhaust Cleaning With Before-and-After Photos of Every Section
Hood through plenum through duct through rooftop fan, every section in the service report.
4
Components documented per visit
1
Single visit, no crew split
NFPA
96 compliant standard
100%
Photo-documented pathway
Cleaning That Stops at the Hood Does Not Satisfy NFPA 96 or the Fire Inspector
Commercial exhaust cleaning in Houston covers the full pathway, or it does not count as compliant.
NFPA 96, the National Fire Protection Association standard governing commercial cooking exhaust systems, defines the cleaning requirement by component, not by system. A fire marshal who opens the hood access panel and finds clean baffles will still pull the grease duct cleanout panel. A hood that is spotless and a duct interior caked with grease are not a pass. They are a citation.
Restaurant operators and kitchen managers in Houston who want to close inspections cleanly need a cleaning vendor who services every component from the hood canopy down to the rooftop exhaust fan, and documents each one individually. That is what commercial exhaust cleaning in Houston looks like when it is done to an inspection-ready standard.
Houston Kitchens Run Hotter and Longer Than the NFPA 96 Averages Assume
Houston's climate and kitchen culture push commercial exhaust systems harder than national averages reflect.
The NFPA 96 cleaning frequency table, which establishes how often commercial hood systems must be cleaned based on cooking volume and fuel type, does not account for Houston's ambient heat. Kitchen exhaust fans here run at higher duty cycles than in cities with cooler temperatures. A rooftop exhaust fan in a Houston kitchen logs more total hours per year than the same fan in a Chicago or Denver restaurant doing identical cooking volume.
Grease-laden vapor deposits on hood baffles, duct walls, and the rooftop exhaust fan housing continuously throughout the service day. In a high-volume charbroiling or frying operation in Midtown or along the Washington Avenue corridor, that deposition rate can push a duct interior past the NFPA 96 grease accumulation threshold, the maximum permitted grease deposit depth before the system is classified as a fire hazard, well ahead of a quarterly cleaning schedule.
Novak Chimney Masters serves restaurant groups and commercial kitchen operators in Midtown Houston, Montrose, and the Washington Avenue corridor. These are high-density restaurant districts where fire marshal inspection activity is consistent. The technicians who work these kitchens see actual deposit rates, not national averages. That field experience shapes how cleaning intervals are assessed for each client.
What a Full-Pathway Commercial Exhaust Cleaning Actually Covers
Every component in the exhaust system accumulates grease, and every component requires individual attention.
A hood with clean, shining baffles can still have a grease duct, the enclosed duct that carries exhaust air from the commercial hood plenum to the rooftop exhaust fan and termination point, with a quarter-inch of consolidated grease coating the interior walls. Baffles cleaned on schedule, duct never touched. That is not a compliance program. That is a fire propagation pathway.
Here is how a full-pathway commercial exhaust cleaning works, component by component.
Baffle Filters
The removable grease-separation panels in the hood plenum are removed and cleaned separately from the rest of the system. They are the most frequently cleaned component, but cleaning them alone does not constitute a compliant hood cleaning. The plenum surface behind the baffles accumulates grease that the filters catch before it reaches the duct. That surface gets cleaned too.
Grease Duct
The interior is the component fire marshals check by opening the cleanout access panels installed along the duct run. Grease accumulation in excess of the jurisdiction's NFPA 96 interpretation, typically one-eighth to one-quarter inch, results in a violation citation and can trigger an immediate shutdown order. The full duct interior is cleaned from the hood plenum to the point where it connects to the rooftop fan housing.
Rooftop Exhaust Fan
The mechanical fan unit at the top of the exhaust duct that draws air and grease-laden vapor through the system is the component most frequently absent from incomplete commercial exhaust cleaning scopes because it requires rooftop access. Grease accumulation in the fan housing creates both a fire risk and a reduction in system airflow that degrades hood capture performance. Every fan housing is cleaned during the same service visit as the hood and duct below it, not on a separate scheduling day.
Termination Point
The termination point is documented in the post-cleaning report with photos.
The Component-Level Report Is What the Inspector Will Actually Check
A report that says "exhaust system cleaned" does not match the component-by-component inspection approach fire marshals use.
Houston fire marshals inspect commercial exhaust systems by checking each section independently. They open the hood access. They open the duct cleanout panel. They look at the fan housing. A cleaning report that lists the system as cleaned in a single entry does not correspond to how the inspection proceeds.
Novak Chimney Masters produces a component-level cleaning report, a commercial exhaust cleaning document that records the pre-cleaning and post-cleaning condition of each system component individually. Hood canopy, baffle filters, plenum surface, duct sections, rooftop fan housing, and termination point are each listed separately. The operator receives a report that maps directly to the components the inspector will check.
That documentation format also protects the operator's insurance coverage. A property operating with grease accumulation beyond the NFPA 96 threshold may find fire coverage invalidated in the event of a kitchen fire. The component-level record covers each section the inspector examines, no undocumented gaps between a clean baffle entry and a duct that was never opened.
Our Commercial Exhaust Cleaning Standards
Every service visit covers the full vertical exhaust assembly and produces a written record for each component.
- ✓ Commercial hood system, baffle filters removed and cleaned; plenum surface cleaned behind baffles; grease collection channel cleared
- ✓ Grease duct interior, full duct run from plenum to rooftop fan, accessed at cleanout panels; deposit depth documented pre- and post-cleaning
- ✓ Rooftop exhaust fan, fan housing cleaned; grease accumulation in the motor housing area documented; rooftop termination photographed
- ✓ Cleaning frequency guidance, NFPA 96 requirements noted per cooking type; high-volume charbroiling operations flagged for shorter intervals where deposit rates warrant
- ✓ Component-level report, pre-clean and post-clean condition recorded per component; photo documentation included
- ✓ No crew split, hood, duct, and rooftop fan cleaned in the same visit; rooftop access is not scheduled separately
How a Commercial Exhaust Cleaning Engagement Works
01
Diagnostic Assessment
Before any cleaning begins, the technician walks the full exhaust pathway. The hood is opened and the baffle condition is documented. The grease duct cleanout panels are opened and the interior deposit depth is measured and recorded. The rooftop access point is confirmed. If the grease accumulation threshold has been exceeded, that finding is documented in writing before any cleaning work begins, so the operator has a record of the pre-service condition for insurance and compliance purposes.
02
Implementation
Cleaning proceeds top-down. Baffles are removed first and cleaned separately. The plenum surface is cleaned next. The grease duct interior is cleaned from the hood end to the rooftop fan connection. The rooftop exhaust fan housing is cleaned last, after the duct below it has been cleared, so no loosened debris from the fan housing falls into a freshly cleaned duct section. Cleaning methods are matched to deposit type. Light accumulations are removed mechanically. Heavier consolidated deposits are treated with an appropriate chemical degreaser before mechanical removal. The NFPA 96 cleaning frequency table classifies cooking type, and the cleaning approach is matched to the actual deposit character found, not to a fixed menu.
03
Post-Service Documentation
At the conclusion of each visit, the component-level cleaning report is produced on-site. Pre-cleaning and post-cleaning conditions are recorded for each component. Photo documentation accompanies each section. The operator receives the completed report before the crew leaves the property. That report is formatted to correspond to the component-by-component approach fire marshals use during routine commercial district enforcement inspections, not as a single system-level certificate.
Commercial Exhaust Cleaning Across Midtown, Montrose, Energy Corridor, and Katy
Novak Chimney Masters covers the Greater Houston Area for commercial exhaust cleaning.
Scheduling is coordinated around kitchen off-hours to avoid service disruption during peak operating windows. The service area includes Houston, Pasadena, Deer Park, Baytown, Humble, Katy, Sugar Land, Pearland, League City, Galveston, Texas City, La Marque, Beaumont, and the surrounding region.
Frequently Asked Questions
Does cleaning only the hood baffles satisfy an NFPA 96 inspection?
No. NFPA 96 defines the cleaning requirement by component, not by system. A fire marshal who finds clean baffles will still open the grease duct cleanout panel and check the rooftop fan housing. A compliant cleaning covers the full pathway from the hood canopy down to the rooftop exhaust fan, with each component documented individually.
How often should a Houston commercial kitchen exhaust be cleaned?
Frequency depends on cooking volume and fuel type under the NFPA 96 cleaning frequency table. Houston kitchens run at higher duty cycles due to ambient heat, so high-volume charbroiling or frying operations often need shorter intervals than a national quarterly schedule assumes. Deposit depth is measured on assessment and intervals are set to the actual accumulation rate.
Is the rooftop exhaust fan cleaned in the same visit?
Yes. The hood, grease duct, and rooftop exhaust fan are all cleaned during the same service visit. Rooftop access is not scheduled separately. The fan housing is cleaned last, after the duct below it is cleared, so no loosened debris falls back into a freshly cleaned duct section.
What documentation do I receive after the cleaning?
You receive a component-level cleaning report produced on-site before the crew leaves. It records pre-cleaning and post-cleaning conditions for each component, hood canopy, baffle filters, plenum surface, duct sections, rooftop fan housing, and termination point, with photo documentation for each section. The format maps directly to how fire marshals inspect and helps protect insurance coverage.
Can the cleaning be scheduled to avoid disrupting service?
Yes. Scheduling is coordinated around kitchen off-hours to avoid disruption during peak operating windows. Provide the kitchen type, cooking volume, and last service date and the appropriate scope and scheduling window will be confirmed before the visit is booked.
Ready to Get Started?
Contact our team today for a free consultation.
Novak Chimney Masters delivers full-pathway commercial exhaust cleaning in Houston with a component-level report on every visit. To schedule an assessment, call (832) 701-0196 or email in**@*****************rs.com. Provide the kitchen type, cooking volume, and last service date if available. The appropriate scope and scheduling window will be confirmed before the visit is booked.
© 2026 Novak Chimney Masters · CSIA Certified · Serving Greater Houston, TX
What this work is measured against
- NFPA 96Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations.
- IKECAAssociation setting inspection and cleaning standards for commercial kitchen exhaust systems.
- OSHAFederal workplace safety rules covering confined space, fall protection and roof work.
- NFPA 211Standard for Chimneys, Fireplaces, Vents and Solid Fuel-Burning Appliances.
- City of HoustonPermitting and residential code authority inside city limits.
Schedule Commercial Exhaust Cleaning in Houston
Every visit starts with a written scope confirmation before the work is booked. Serving Greater Houston from a single dispatch point on N Post Oak Rd.