GUIDE / 01
The Difference Between Range Hood Cleaning and Duct Cleaning
A range hood captures greasy smoke on the kitchen side, while a duct carries air farther along. Since the scope of work varies by contractor and site, check the hood, filters, ducts, and exhaust fan separately.
Whether equipment can be disassembled, work performed at height, or work near open flames is assessed individually after checking the site’s structure and safety conditions.
| Comparison criteria | Range Hood Cleaning | Kitchen duct cleaning |
|---|---|---|
| Main Areas Covered | Inside the hood, grease filters, oil trays, and areas around the fan as appropriate to the specifications and condition | The interior of the duct, its route, and connection points accessible through the inspection opening. Confirm whether the exhaust fan is outside the scope. |
| Example inquiry | Oil dripping from the hood or filters, or grease on the surface that will not come off | Smoke or odors are slow to clear, or grease buildup inside access panels or ducts is a concern |
| What to communicate when requesting a quote | Number of units, width, installation height, number of filters, and locations with oil drips | Inspection opening location, duct route, oil buildup, and access to the exhaust fan and rooftop |
| Service Details | Range Hood Cleaning | Kitchen duct cleaning |
GUIDE / 02
Differences in Cleaning Scope
Range hood cleaning targets grease on the hood, grease filters, and around the fan. Duct cleaning also addresses the grease and dust accumulated inside the ducts farther along the system.
- If oil is dripping from the hood or filters, cleaning the hood itself is often necessary.
- If smoke or odors are slow to clear, ducts and exhaust fans may also be included in the work.
- For yakiniku restaurants and locations that do a lot of frying, considering the entire exhaust system can help inform your assessment.
GUIDE / 03
Information Needed for an Estimate
Exhaust system layouts vary by store. Having photos of the equipment, the number of units, the extent of grease buildup, and the hours when work can be carried out will help us prepare an estimate and plan the work.
- Please send photos of the hood, filters, duct openings, and exhaust fan.
- Please tell us when smoke or odors tend to linger and whether oil is dripping.
- We will let you know which areas require work at height or disassembly.
GUIDE / 04
Related Official Information
Working Group on Standards for Kitchen Equipment, etc.
Guidelines for Fire Prevention Measures Related to Restaurant Kitchen Equipment
Fire Service Act
Even when you entrust the work to us, there are regulations your store should be aware of. Please confirm any final decisions with the relevant government agency, local authority, public health center, fire department, or specialist.
Reference materials for considering fire prevention measures related to kitchen equipment, exhaust ducts, and grease removal systems.
You can refer to guidance on fire prevention in restaurant kitchens and approaches to inspecting and cleaning exhaust ducts and other equipment.
GUIDE / 05
Choose a service based on the area to be covered
Range Hood Cleaning
Duct Cleaning (Inside and Outside the Store)
Exhaust Fan Disassembly and Cleaning (Including Canvas Connectors)
The hood, ducts, and exhaust fan are separate work scopes. Check which service best fits the area and symptoms, and specify the scope when requesting a quote.
We clean grease from range hoods, grease filters, oil cups, and around sirocco fans to address reduced airflow and dripping oil.
We inspect relevant areas, including the hood, exhaust fan, and fire damper, for grease inside kitchen ducts, smoke buildup, and grease drips.
QUESTIONS / FAQ
Questions About the Differences Between Range Hoods and Ducts and Their Cleaning Scope
What is the difference between range hood cleaning and duct cleaning?
The range hood is the first part of the system to capture greasy smoke in the kitchen; the duct is the path it travels through. If smoke lingers or grease drips, check the hood, filters, ducts, and exhaust fan as part of the exhaust system. Send us the number of stores, areas to be serviced, and preferred work times to request a quote.
What symptoms indicate that the exhaust system should be inspected?
It may be time to consider service if you notice grease drips, lingering smoke or odors, weak extraction, unusual fan noise, or clogged filters. At yakiniku restaurants and other stores that use a lot of oil, checking the entire exhaust system can make it easier to set priorities. Send us the number of stores, work areas, and times that are convenient for the work to request an estimate.
Can kitchen duct or range hood cleaning also help prevent fires?
Grease and dust buildup is also relevant to fire-safety checks. It is important to distinguish what can be addressed through cleaning from what should be verified with the fire department or official sources.