Running a commercial restaurant is exciting, but it comes with big responsibilities. One major concern is kitchen hood cleaning. If your hood is dirty, it can cause fire hazards, poor air quality, and even failed health inspections. That’s why regular restaurant cleaning is so important.
In this guide, we cover everything about commercial kitchen hood cleaning. You will learn step by step methods, cost details, safety rules, and know when to call professionals. Whether you run a small cafe, a busy fast-food spot, or a large hotel kitchen, this guide will help you:
- Understand the risks of skipping hood range maintenance
- Learn how to clean exhaust hoods, filters, fans, and ducts
- Follow NFPA 96 safety codes
- Compare DIY vs professional hood cleaning
- Discover eco friendly cleaning options
- Get a free cleaning checklist for your staff
By the end, you will know how to keep your restaurant’s hood system safe, compliant, and efficient.
Table Of Contents
Why Kitchen Hood Cleaning Is Critical for Commercial Restaurants
A kitchen hood does more than remove smoke. It keeps your restaurant, staff, and customers safe from hidden dangers. In the cleaning industry, professionals know that regular hood range maintenance is one of the most important tasks.
First, a greasy hood range is a major fire risk. When grease builds up inside filters, ducts, or fans, one flare-up from the stove can ignite it. This can spread flames quickly through your ventilation system.
Second, a dirty hood reduces airflow and ventilation. Poor ventilation traps heat, smoke, and odors inside your kitchen. This makes it harder for staff to work safely.
Third, health inspectors often check hood systems during routine visits. A dirty hood can lead to violations, fines, or even shutdowns. Clean hoods show your commitment to food safety and customer health.
Finally, hood cleaning also improves equipment efficiency. With proper airflow, your exhaust system works better, lasts longer, and saves energy. For all these reasons, commercial hood cleaning is not just routine maintenance. It’s an essential part of running a safe and successful restaurant.
Step by Step Guide to Cleaning a Commercial Kitchen Hood
Cleaning a commercial kitchen hood may seem complicated, but it’s manageable when done in steps. Each component, exhaust hood, grease traps, filters, fans, and ducts, needs separate attention. Following these instructions helps prevent fire hazards, maintain airflow, and keep your kitchen safe.
How to Clean the Exhaust Hood
The exhaust hood or hood range draws smoke, steam, and grease out of your kitchen. Over time, particles accumulate, which can be dangerous. Cleaning it regularly keeps your kitchen safe and compliant.
Steps to Clean an Exhaust Hood:
- Remove components – Take out filters, fans, and grease traps first.
- Prepare cleaning solution – Mix warm water with a liquid degreaser.
- Scrub the interior – Use a soft-bristle brush or cloth to remove grease.
- Wipe and rinse – Remove all soap residue with a damp cloth.
- Scrub the exterior – Apply the same solution on the outside to remove buildup.
- Dry completely – Air dry or use a clean towel before reassembling.
For high-volume kitchens, schedule exhaust hood cleaning at least once every three months. Professional services can also ensure it meets NFPA 96 safety standards.
💡 Tip from SKYREX Property Services
Cleaning Grease Trap Screens
Grease trap screens prevent fats, oils, and grease from entering your ventilation or plumbing system. When they get clogged, your hood system works less efficiently, and fire risk increases.
Steps to Clean Grease Trap Screens:
- Remove the grease traps – Carefully detach them from your hood system.
- Scrape off excess grease – Place grease in a separate container. Never pour it down the drain.
- Scrub remaining residue – Use a soft brush or non-abrasive pad to clean stubborn grease.
- Soak in degreasing solution – Mix warm water and liquid degreaser, then soak for 5-10 minutes.
- Rinse and dry – Wash off solution with clean water and let it air dry before reinstalling.
Check grease traps weekly in busy kitchens. A clean trap improves airflow and reduces odors.
Kitchen Hood Filter Cleaning Process
Hood filters trap grease, smoke, and food particles before they reach the ductwork of your hood range. If they are dirty, airflow drops and fire risks rise.
Steps to Clean Hood Filters:
- Remove the filters – Slide them out carefully.
- Shake off loose debris – Dispose of crumbs and grease in a container.
- Soak in hot water – Fill a sink or tub with hot water and add degreaser.
- Scrub gently – Use a non-abrasive brush to loosen built-up grease.
- Rinse thoroughly – Wash off with clean water until no soap remains.
- Dry completely – Air dry before reinstalling to avoid mold growth.
Clean filters weekly if your kitchen is busy. Sparkling clean filters improve airflow and help your exhaust system last longer. Professional Services can deep clean and replace filters if needed.
Kitchen Exhaust Fan Maintenance and Cleaning
The exhaust fan keeps air moving through your hood system. If it’s dirty, the motor works harder, and breakdowns happen sooner.
Steps to Clean the Exhaust Fan:
- Turn off power – Always disconnect electricity before working on the fan.
- Remove the fan cover – Carefully detach the cover or guard.
- Wipe blades clean – Use a degreasing solution and a cloth to scrub blades.
- Check the motor – Look for dust or grease buildup around the motor housing.
- Rinse and dry – Wipe down with clean water and let it dry fully.
- Reassemble and test – Put the cover back and turn on the fan to check.
Inspect fans monthly. Clean blades every few months, depending on kitchen usage. For reliable service, SKYREX offers scheduled cleaning and maintenance for commercial restaurants.
How to Clean Accessible Ducts Safely
The ductwork of your hood range carries smoke, grease, and heat out of your kitchen. If ducts clog, fire risks rise, and airflow suffers.
Steps to Clean Ductwork:
- Inspect first – Look inside ducts for grease buildup, blockages, or damage.
- Use a duct brush – Scrub reachable areas with a long-handled brush.
- Apply degreaser – Spray or wipe with a safe cleaning solution.
- Rinse with clean water – Remove leftover chemicals and residue.
- Dry fully – Ensure ducts are moisture-free to prevent mold.
- Seal gaps – Check for leaks or cracks and repair if needed.
Ducts should be inspected quarterly and cleaned at least twice a year. Since ducts are harder to reach, most kitchens hire expert janitorial Services for deep duct cleaning and safety checks.
Do These Kitchen Hood Cleaning Steps Apply at Home?
Most of the steps in this guide apply only to commercial kitchens, which are larger and handle heavy grease buildup. For home kitchens, the process is simpler:
- Clean filters monthly – Remove and wash filters with warm water and dish soap.
- Wipe the hood exterior weekly – Use a mild cleaner to remove grease splatters.
- Check the fan and duct every 6-12 months. Most home ducts don’t get as dirty, but it’s good to inspect them periodically.
- Replace filters when needed – Some home hoods use charcoal or disposable filters instead of metal baffles.
Unlike restaurants, homeowners don’t need NFPA 96 compliance, but regular cleaning still keeps your kitchen safe, odor-free, and efficient.
NFPA 96 & Compliance Standards Every Restaurant Must Know
The NFPA 96 code sets the main fire safety rules for commercial kitchens in North America. It shows how to install, clean, and maintain hood ranges, hoods, ducts, fans, and grease systems. Following these rules reduces fire risks, keeps staff safe, and helps you pass inspections easily.
Key NFPA 96 Requirements:
- Regular cleaning: Clean hood ranges, ducts, and fans often, depending on how busy the kitchen is.
- Access panels: Make openings so inspectors and cleaners can reach all areas.
- Grease filters: Use only approved, fire-safe filters.
- Fire suppression systems: Install automatic systems to control grease fires.
- Certified professionals: Hire trained techs who provide proof of service.
Why It Matters? Skipping NFPA 96 rules can cause failed inspections, higher insurance costs, or fire hazards. Inspectors and insurance providers in both the U.S. and Canada often ask for proof of compliance.
How Often Should a Commercial Kitchen Hood Be Cleaned?
How often you clean your kitchen hood depends on how much you cook and the type of restaurant you run. Regular cleaning keeps your kitchen safe, stops fire risks, and keeps air moving properly.
Recommended Cleaning Schedule by Restaurant Type:
| Restaurant Type | Examples | Cleaning Frequency |
|---|---|---|
| High-volume kitchens | Fast food, diners, and hotels | Every 1-3 months |
| Medium-volume kitchens | Sit-down restaurants, pizza bars | Every 3-6 months |
| Low-volume kitchens | Small cafés, coffee shops | Every 6-12 months |
What Affects Cleaning Frequency?
- Menu type: Greasy or fried foods make hoods dirty faster.
- Cooking hours: Longer hours build up grease quicker.
- Equipment type: Wood-fired ovens, charbroilers, and special appliances need more cleaning.
Keep a cleaning log to track dates and follow NFPA 96 rules. A professional cleaning company can make a schedule for your restaurant. This keeps cleaning regular, lowers fire risks, and helps you pass inspections.
How Much Does Restaurant Hood Cleaning Cost
Knowing the cost of kitchen hood cleaning helps restaurants plan their budget and pick the right service. Prices depend on hood size, kitchen use, and cleaning difficulty. Small to medium hoods usually cost $300-$600, and large or multi-unit hoods run $800-$1,200+. Extra exhaust fans cost $50-$75 each, and filters are $5-$10 each.
Prices can change based on the hood’s condition, hard-to-reach parts, or your city. Here’s a breakdown of the average cost.
| Hood Type | Price Range | Notes |
|---|---|---|
| Small hood systems | $300 – $600 | Single small kitchen hood |
| Medium hood systems | $600 – $800 | Standard sit-down restaurant |
| Large or multiple-unit hoods | $800 – $1,200+ | Hotel kitchens or busy restaurants |
| Extra exhaust fans | $50 – $75 each | Additional fans beyond main hood |
| Filters | $5 – $10 each | Fire-safe, approved filters |
Regular cleaning reduces long-term costs. Removing grease before it builds up lowers labour time and service fees.
Factors Affecting Hood Cleaning Prices
- Kitchen size & hood length: Bigger hoods take more time to clean.
- Grease buildup: Neglected hoods need extra labour and stronger degreasing solutions.
- Accessibility: Hard-to-reach ducts or high ceilings raise costs.
- Crew size: Larger teams finish faster but cost more per hour.
- Service frequency: Regular cleaning may give discounted rates.
- Location: Urban areas often charge more due to higher overhead.
Working with SKYREX Property Services means you get fair commercial rates. We give accurate estimates based on your kitchen’s size, condition, and special needs.
DIY vs Professional Hood Cleaning - What’s Best for You?
You can clean your kitchen hood yourself or hire professionals. Both have pros and cons depending on your kitchen size and needs. Here’s a quick Comparison.
| Cleaning Type | Pros | Cons |
|---|---|---|
| DIY | Cheaper, flexible | Time-consuming, harder to reach, may miss NFPA 96 rules |
| Professional | Fast, thorough, NFPA 96 compliant | Higher cost, needs scheduling |
Small kitchens may manage DIY cleaning. Busy or large commercial kitchens should use professional service for reliable results.
Eco Friendly & Modern Hood Cleaning Methods
Many restaurants now choose green cleaning methods. It keeps the kitchen safe and protects staff health. Green products clean hoods without harsh chemicals.
Eco Friendly Methods:
- Biodegradable degreasers: Break down grease safely and are good for the environment.
- Steam cleaning: Uses hot steam to clean grease without chemicals.
- Low-water cleaning: Saves water while cleaning filters, fans, and ducts.
- Reusable cloths: Reduce waste and clean better.
Modern Tools:
- Scrubbing machines reach hard-to-clean ducts.
- Power washers clean big filters fast.
- Sensors check grease buildup, so cleaning happens on time.
Using green products with modern tools keeps kitchens safe, efficient, and compliant. SKYREX Property Services uses these methods to clean while helping the environment.
Restaurant Kitchen Hood Cleaning Checklist
A cleaning checklist helps restaurants stay organized and makes sure nothing is missed. Use this step by step guide to keep your commercial kitchen hood, ducts, and exhaust system safe, compliant, and working well.
Weekly Hood Maintenance & Filter Cleaning
- Check filters for grease buildup
- Wipe down the hood’s exterior surfaces
- Inspect exhaust fan for dust or grease
- Clean hood lights and covers
- Wipe nearby walls and splash zones
- Ensure vents are not blocked
Monthly Deep Cleaning & Duct Inspection
- Deep clean filters with degreaser
- Scrape and clean grease traps
- Check duct openings for visible grease
- Lightly clean fan housing and blades
- Inspect belts and pulleys for wear
- Test fan operation for smooth airflow
Quarterly Exhaust System & Fire Safety Check
- Clean fan blades and motor housing thoroughly
- Inspect ducts for hidden grease and buildup
- Test fire suppression system and nozzles
- Check exhaust airflow for efficiency
- Inspect hood seams and joints for leaks
- Replace worn or damaged filters
Biannual / Annual Professional Hood Cleaning & Compliance
- Hire professional cleaners for full hood and duct cleaning
- Ensure NFPA 96 compliance documentation is up to date
- Review cleaning logs and adjust your schedule if needed
- Inspect fire suppression tanks and safety sensors
- Conduct a full hood and duct inspection for hidden issues
- Replace old or worn parts as needed
Use this checklist alongside professional janitorial services. It keeps your commercial kitchen, hoods, and exhaust systems safe, compliant, and efficient all year.
Why Commercial Restaurants Choose SKYREX
Keeping your commercial kitchen safe and fire-free is crucial. SKYREX Property Services offers expert commercial kitchen cleaning across Ontario. Our trained cleaners use green cleaning, hospital-grade products.
You get thorough cleaning, flexible schedules, and peace of mind. We don’t stop until your ducts, fans, and grease systems are safe and spotless. Please note that we do not provide kitchen hood or exhaust hood cleaning services. Our client reviews and results speak for themselves. With SKYREX, your restaurant stays clean, safe, and ready to impress.
Restaurant Kitchen Cleaning Services Near You – Ontario
Looking for an affordable kitchen cleaning service near you? SKYREX serves restaurants, hotels, cafeterias, and other commercial kitchens across Ontario. From Cambridge to Mississauga and Toronto, our team delivers professional cleaning you can trust. Booking is easy, check our main service locations below or find us on Google Maps for quick support.
Ontario Cities We Serve for Commercial Kitchen Cleaning:
Kitchener
Waterloo
Guelph
Hamilton
Brampton
Milton
Whitby
Ajax
Book Restaurant Kitchen Cleaning - Free Quote
SKYREX provides reliable commercial kitchen cleaning across Ontario. We handle routine and deep cleaning to keep your space safe and compliant.
Common Questions About Kitchen Hood Cleaning
Running a restaurant means keeping your kitchen safe and clean. One important part of that is regular hood cleaning. Here are answers to the most common questions restaurant owners ask about kitchen hood cleaning.
Why is commercial kitchen hood cleaning important?
It removes grease, smoke, and buildup from hoods, ducts, and fans. This prevents fires, improves air quality, and keeps your restaurant compliant with NFPA standards.
How often should a restaurant clean its kitchen hood?
High-volume kitchens should clean every 1-3 months. Medium kitchens every 3-6 months. Small or low-use kitchens every 6-12 months.
Can I clean my kitchen hood myself?
You can clean filters and grease traps on your own. But ducts and exhaust fans need professional cleaning to meet safety rules.
What happens if I don’t clean my kitchen hood?
Grease buildup raises fire risk, blocks airflow, and can cause failed inspections. It may also increase insurance costs or even lead to shutdowns.
How much does professional kitchen hood cleaning cost?
Most services cost between $300-$1,200+ depending on hood size, condition, and location. Extra fans and filters may add to the price.
What cleaning products are safe for hoods?
Use biodegradable degreasers and avoid harsh chemicals. Eco friendly cleaners are safe for staff, equipment, and the environment.





