💡 Curious what this costs? See our guide to hood cleaning & pressure washing insurance costs.
Kitchen exhaust cleaning is a specialized trade that serves one of the most fire-prone environments in any commercial building: the restaurant kitchen. Every commercial kitchen with a cooking operation needs its exhaust system cleaned regularly to comply with fire codes, and this creates a steady, recurring demand that makes the hood cleaning industry attractive for entrepreneurs willing to learn the trade and invest in the right equipment.
Industry Overview: Understanding NFPA 96
The kitchen exhaust cleaning industry is built around NFPA 96, the Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations. Published by the National Fire Protection Association, this standard establishes the requirements for the design, installation, operation, inspection, and maintenance of all public and private cooking operations.
Under NFPA 96, commercial kitchen exhaust systems must be inspected and cleaned on a regular schedule based on the type and volume of cooking. Systems serving high-volume operations like 24-hour restaurants, charbroiling, or wok cooking may require monthly cleaning. Moderate-volume operations typically need quarterly cleaning, while low-volume operations like churches, seasonal businesses, or day camps may only need semi-annual or annual service.
This mandatory cleaning schedule is what makes the hood cleaning business so compelling: it is not discretionary spending for restaurants. Fire marshals, health departments, and insurance companies all look for compliance with NFPA 96. A restaurant that falls behind on hood cleaning risks fines, closure, or having their insurance coverage questioned if a fire occurs.
Equipment and Supplies You Will Need
Kitchen exhaust cleaning requires specialized equipment that is distinct from general pressure washing. Here is what you will need to get started.
Hot water pressure washer: A commercial hot water pressure washer is the backbone of hood cleaning. Hot water is essential because you are primarily removing grease, and cold water simply does not cut through baked-on grease the way hot water does. Look for a machine that produces water temperatures of at least 180 to 200 degrees Fahrenheit, with 3,000+ PSI and 3 to 5 GPM flow rate.
Chemical degreasers: Professional-grade alkaline degreasers are applied to the hood, filters, ductwork, and fan before pressure washing. These chemicals break down the grease buildup and make the mechanical cleaning far more effective. You will need to understand proper dilution ratios and safety data sheets (SDS) for every chemical you use.
Scraping tools: Plastic and metal scrapers are used to remove heavy grease deposits from duct interiors, fan blades, and hard-to-reach areas. Many cleaners use specialized duct access tools, rotary scrapers, and flexible shaft tools for reaching deep into ductwork.
Containment supplies: Protecting the restaurant's kitchen from water and chemical overspray is critical. You will need plastic sheeting (visqueen), tape, tarps, and drop cloths to cover cooking equipment, prep surfaces, and floors. Drip pans and funnels help direct dirty water into collection containers.
Work vehicle: Most hood cleaning operations run out of vans or enclosed trailers. You need space for your pressure washer, water supply (typically a small tank or plans to use the restaurant's water), chemicals, hoses, tarps, and ladders. A cargo van or box truck with shelving is the most common setup.
Safety equipment: Chemical-resistant gloves, safety goggles, non-slip boots, and coveralls are essential. You will be working with hot water, strong chemicals, and slippery grease. Some jobs require roof access for fan cleaning, so you may also need fall protection equipment.
Getting Certified: IKECA and Beyond
The International Kitchen Exhaust Cleaning Association (IKECA) is the leading trade organization for the kitchen exhaust cleaning industry. While IKECA certification is not legally required in most jurisdictions, it is increasingly recognized as the industry standard and can be a significant competitive advantage.
IKECA offers certification programs for both individual technicians and cleaning companies. The certification process involves studying NFPA 96, IKECA's own cleaning standards, and passing a written examination. Maintaining certification requires continuing education and adherence to IKECA's standards of practice.
Beyond IKECA, some states and municipalities have their own licensing requirements for hood cleaners. For example, some states require hood cleaners to hold a fire protection contractor license. Research your specific state and local requirements before starting operations.
Investing in certification signals professionalism to potential clients. Many restaurant chains, property management companies, and fire marshals prefer or require IKECA-certified cleaners. It can also help you command higher prices and win contracts over uncertified competitors.
Finding Restaurant Clients
Your target market is clearly defined: any establishment with a commercial kitchen and a Type I exhaust hood. This includes restaurants, hotels, hospitals, schools, cafeterias, food trucks with permanent exhaust systems, and catering facilities. Here is how to reach them.
Direct outreach: Visit restaurants in person during slow hours (typically between 2 and 4 PM). Bring a professional brochure, your business card, and ask to speak with the owner or manager. Be prepared to explain NFPA 96 cleaning frequency requirements, as many restaurant operators are not fully aware of their obligations.
Fire marshal and health department connections: Build relationships with local fire marshals and health inspectors. They regularly cite restaurants for dirty hoods and can refer business your way. Some hood cleaners leave business cards or brochures with inspection offices.
Property management companies: Companies that manage commercial properties with restaurant tenants often coordinate hood cleaning for multiple locations. Landing one property management account can give you dozens of recurring clients.
Online presence: Optimize your Google Business Profile for searches like "hood cleaning near me" and "kitchen exhaust cleaning [your city]." Many restaurant owners search online when they receive a fire marshal citation or need to switch cleaning providers.
Pricing Hood Cleaning Jobs
Hood cleaning pricing varies significantly by market, but here are general guidelines to help you develop your pricing structure.
Standard hood cleaning: A typical restaurant with a single hood system (8 to 16 feet of hood with ductwork and rooftop fan) generally ranges from $300 to $600 per cleaning. Larger systems, multiple hoods, or heavily soiled systems command higher prices.
Factors that affect pricing: The number and size of hoods, the length and complexity of the ductwork, the number of fans, the level of grease buildup, access difficulty (particularly for roof-mounted fans), and whether the work must be done during off-hours all affect pricing. A large hotel kitchen with multiple hood systems and complex ductwork could be $2,000 or more per cleaning.
Recurring contracts: Offer discounted rates for recurring service agreements. A restaurant on a quarterly cleaning schedule represents four cleanings per year, and the predictable revenue stream justifies a modest per-visit discount. Annual contracts also reduce your marketing costs since you are not constantly finding new clients.
Adding Grease Trap Service
Grease trap cleaning is a natural add-on service for hood cleaning companies. Restaurants that need hood cleaning also have grease traps that need regular service, and offering both services makes you a one-stop shop.
Grease traps capture fats, oils, and grease (FOG) before they enter the municipal sewer system. Local regulations typically require grease traps to be pumped every 30 to 90 days, depending on size and volume. Grease trap pumping requires a vacuum truck or partnership with a pumping service, and the waste must be disposed of at an approved facility.
While the equipment investment for grease trap service is higher (vacuum trucks are expensive), the recurring revenue can be substantial. Many hood cleaning companies start by subcontracting grease trap pumping and eventually invest in their own equipment as the revenue justifies it.
Insurance Requirements for Hood Cleaners
Insurance is not optional in the kitchen exhaust cleaning industry. The nature of the work, involving chemicals, hot water, roof access, and fire prevention in occupied commercial buildings, creates significant exposure to potential claims.
General liability insurance: This is the foundation of your coverage and may help protect your business if you damage a client's property or if someone is injured as a result of your work. Most restaurant clients and property management companies require you to carry at least $1 million per occurrence and $2 million aggregate in general liability coverage. You will typically need to provide a certificate of insurance (COI) before starting work.
Commercial auto insurance: If you use a vehicle for your business, whether it is a van, truck, or trailer, commercial auto coverage is generally needed. Personal auto policies typically exclude business use, which could leave you without coverage if you are in an accident while driving to a job.
Inland marine insurance: Your equipment, including your pressure washer, chemical systems, tools, and hoses, represents a significant investment. Inland marine coverage is designed to help protect business equipment that is regularly transported or used at various job sites.
Workers' compensation: If you have employees, workers' compensation insurance is required in most states. Hood cleaning involves physical labor, chemical exposure, roof access, and other hazards that make workplace injuries a real concern. Workers' comp may help cover medical expenses and lost wages for employees injured on the job.
Scaling Your Hood Cleaning Business
The hood cleaning industry lends itself well to scaling because the work is recurring and predictable. Here is how to grow beyond a one-person operation.
Build a route: Organize your clients geographically to minimize drive time between jobs. A well-planned route can allow you to complete 2 to 4 jobs per night, depending on system size and travel distance. Most hood cleaning is done after the restaurant closes, so your work schedule will typically be evenings and overnight.
Hire and train technicians: As you add clients beyond your personal capacity, hire technicians who can run jobs independently. Thorough training on NFPA 96 standards, proper cleaning techniques, chemical safety, and customer service is essential. Your reputation depends on the quality of work your team delivers.
Add service offerings: Beyond grease trap cleaning, consider adding fire suppression system inspections and maintenance, kitchen equipment cleaning, exhaust fan hinge kits and maintenance, and grease containment systems. Each additional service increases your revenue per client and makes you harder to replace.
Invest in technology: Use scheduling and invoicing software designed for field service businesses. Before-and-after photo documentation, digital cleaning reports, and automated scheduling reminders help you deliver a professional service and reduce administrative burden as you grow.
