Quick answer: Unplug your air fryer and let it cool completely before inspecting the heating element. Find your exact model’s cleaning instructions before touching it. COSORI’s general maintenance guide recommends gently sweeping debris near the element with a soft-bristle brush and warns against applying water directly to it. Do not spray cleaners inside, immerse the main unit, remove a guard, or flip the appliance without model-specific instructions. If residue is inaccessible, something has melted, or you notice damage, electrical smells, or unexplained smoke, stop and contact the manufacturer.
Grease above the basket can be harder to reach than crumbs below it. That does not make a stronger cleaner or a longer tool the next step. This guide helps you separate routine cleaning from work that needs manufacturer support. It is based on the official sources below, not hands-on testing.
First, identify the part and your model
Record the complete model number and find the matching owner’s manual. “Air fryer” describes appliances with different heater locations, guards, coatings, and access arrangements. Instructions for another basket fryer, a countertop oven, or a different product from the same brand are not interchangeable.
Use the manual to distinguish the element itself from the chamber walls, removable basket, and protective cover. If you cannot identify the part, send the manufacturer a photograph rather than probing it. A visible screw does not establish that a cover is owner-removable.
Original surfaces and model checks
| Part or model situation | Starting point | Limit |
|---|---|---|
| Exposed heating element; exact model not confirmed | Inspect only after unplugging and cooling. | No assumed permission for wet wiping, brushing, inversion, or removal. |
| COSORI model covered by compatible owner instructions | The brand’s general guide describes a soft-bristle brush near the element. | It warns against direct water application; the model manual must confirm access and tools. |
| Interior chamber walls | COSORI describes a soft cloth dampened with diluted dish soap. | This wall-cleaning method is not permission to wet the heater or electrical openings. |
| Removable nonstick basket or crisper plate | Follow the part’s washing instructions. | Soaking a detached basket does not authorize soaking the appliance body or element. |
| Guarded heater or inaccessible residue | Ask support about the approved owner procedure. | Do not loosen screws, bend a guard, or push a tool behind it. |
The reviewed COSORI pages are general brand guidance, not approval for every model or material. If your manual conflicts with them, use the model-specific instructions and ask support to resolve uncertainty.
What you need
- Your model number and matching manual.
- A flashlight for visual inspection without inserting it into the appliance.
- Clean, soft cloths for approved reachable surfaces.
- A clean soft-bristle brush, only if your model permits it near the element.
- Warm water and mild dish soap for separately approved washable parts or walls, not direct heater application.
Leave spray cleaners, steel wool, metal scrapers, sharp tools, and abrasive powders out of this task. COSORI warns against harsh brushes and sharp tools, and its odor guide advises against aggressive scraping. You do not need a disassembly kit.
Step-by-step: clean only what your model allows
1. Stop, unplug, and cool completely
End the cooking cycle, unplug the appliance, and wait until it is completely cool. A timer reading or a cool handle does not establish that the element is cool. COSORI’s odor troubleshooting specifically says to unplug and cool before cleaning the heating area. This guide takes that conservative approach rather than recommending cleaning while warm.
2. Remove only normal user-removable accessories
Take out the basket and crisper plate as the manual directs. Wash these separately using their own care instructions. COSORI says dishwasher suitability must be checked in the user manual. Do not detach a heater, fan, fixed cover, or electrical component to create more space.
3. Inspect before choosing a cleaning method
With the unit upright unless your exact instructions say otherwise, look for loose crumbs, greasy deposits, packaging, melted material, and visible damage. Do not touch or pull at anything fused to the element. If reaching the residue requires forcing your hand or a tool through a guard, stop at that access limit.
4. Use only the approved element method
If your model allows a soft brush, use gentle strokes on the permitted reachable area to dislodge loose debris. COSORI’s maintenance article describes gently sweeping dust and debris near the heating element with a soft-bristle brush. It explicitly warns against applying water directly to the element because of short-circuit risk.
Do not convert that instruction into a universal wet-sponge method. Do not assume that another manufacturer’s instructions to turn a fryer upside down apply to yours. If your manual provides no element-cleaning procedure, ask support before proceeding beyond inspection.
5. Clean adjacent surfaces separately
Where compatible with your model instructions, wipe chamber walls with a soft, controlled damp cloth. COSORI describes diluted dish soap for walls, followed by a slightly damp cloth to remove soap and a dry cloth to finish. Keep that process on the approved surface; do not spray into the chamber, pour water inside, or flood seams and openings.
6. Dry fully before reassembly and use
COSORI says all parts, especially the interior and heating area, must be fully dry before reassembly. Do not switch the heater on to dry moisture or burn away cleaner. This guide does not prescribe an empty cleaning cycle. Any manufacturer-required post-cleaning run must come from the instructions for your exact model, not a first-use routine borrowed from another appliance.
If grease or a mark will not come off
Stubborn residue is not a reason to escalate to oven cleaner, a scouring pad, baking-soda paste, or an acidic steam treatment on the element. A product approved for the basket is not automatically approved for the heater’s coating.
- Loose debris remains within approved reach: Repeat only the gentle method your manual permits.
- Sticky or baked-on deposits remain: Ask support for the model-specific next step before adding chemicals.
- Residue is behind a fixed cover: Leave it in place and request service guidance.
- Plastic or another object has melted onto the heater: Do not pry or scrape it off. Contact the manufacturer.
If the main problem is odor rather than visible soil, see our air fryer plastic-smell guide. Its first-use discussion is separate from this element-cleaning task; an empty first-use cycle is not a general cleaning or repair method.
Safety: when cleaning is not the solution
COSORI advises stopping for smoke not clearly coming from food, a strong burning or melting smell, electrical smells, sparks, unusual noises, warping, bubbling, discoloration, or damaged parts. If it is safe to do so, unplug and let the appliance cool; do not continue running it to see whether the problem clears. Contact the manufacturer rather than attempting heating or electrical repairs yourself.
Never immerse the main unit. COSORI also warns against high-pressure water on the housing or element and against spraying cleaner directly inside. If liquid has entered an electrical area, do not plug the appliance in to test it; contact support for next steps.
Prevent another heavy buildup
Clean removable parts after each use, as COSORI recommends, and inspect accessible interior surfaces during normal maintenance. Do not invent a fixed element-cleaning schedule when your model’s manual gives a different one. Keep vents clear and use only compatible accessories.
COSORI warns that parchment touching the heater can cause a fire and that foil must not cover vents or the heating element. Liners are not a substitute for cleaning, and this article does not recommend them as a protective shield for the heater.
FAQ
Can I turn my air fryer upside down?
Only when the manufacturer’s instructions for your exact model authorize it. This guide does not recommend inversion as a general access method.
Can I spray degreaser on the heating element?
No. Do not spray cleaners inside. COSORI’s element guidance warns against direct water application, and its odor guidance rejects direct cleaner spraying.
Can I remove the guard to clean underneath?
Not based on this guide. Without confirmed owner-removal instructions for your model, leave fixed parts alone and contact support.
Will running it empty burn the grease off?
This guide does not recommend burning off grease or using heat to dry the element. Follow only a model-specific manufacturer procedure. Persistent smoke or electrical symptoms need support, not another heating experiment.
Sources
- COSORI: How to Clean and Maintain Your Air Fryer — separate basket, wall, and heating-area methods; direct-water restrictions; drying; immersion and tool warnings.
- COSORI: Why Your Air Fryer Smells Like Plastic — unplugging and cooling; no direct spraying or aggressive scraping; damage and smoke stop conditions; no owner electrical or heating repairs.
Last reviewed: October 19, 2026. Follow your exact model’s owner’s manual. Manufacturer guidance may change.