Step by step: how to get a burnt smell out of your house after burnt food
Safety first. If there was an actual fire beyond a pan of burnt food, or smoke spread through the house, make sure the fire is fully out and call the fire department if you are unsure. Do not use an ozone generator in an occupied home, and never mix vinegar or ammonia cleaners with bleach.
- 1
Get the source out of the house
Once it is cool, carry the burnt pan, toaster crumbs or charred food outside or seal them in a trash bag and take it out. Soak the pan outdoors. As long as the source is inside, it keeps putting smell into the air.
- 2
Cross-ventilate for at least an hour
Open windows on opposite sides of the house, run the range hood and bathroom fans, and put a box fan in a window facing out to pull smoky air through. Close doors to rooms the smoke did not reach so you do not spread it.
- 3
Clean the stove, oven and microwave
Wipe the cooktop, oven door, range hood and microwave inside and out with warm soapy water. Burnt residue left in a microwave or on an oven floor will smell again every time it heats up. Wash or replace the range hood grease filter.
- 4
Wash the smoky film off hard surfaces
Smoke leaves a thin oily film on walls, cabinets and counters, and that film holds the smell. Wash them with a gallon of warm water and a tablespoon of dish soap, starting with the room where the burn happened and working outward. Wipe from the bottom up so drips do not streak, then rinse with clean water.
- 5
Launder fabrics and curtains
Wash curtains, dish towels, throw blankets and pillow covers in the warmest water the care labels allow, with a half cup of white vinegar in the rinse. Smoky fabrics may need two washes. Air them outside if you can.
- 6
Deodorize carpets and upholstery
Sprinkle baking soda over rugs, carpet and fabric furniture, leave it for several hours or overnight, then vacuum thoroughly. Set open bowls of baking soda or bags of activated charcoal in the affected rooms for a few days.
- 7
Change the HVAC filter and run the fan
If your furnace or AC ran while the smoke was in the air, the filter has trapped smoky particles and will keep releasing the smell. Put in a new filter and set the system fan to on for a few hours.
- 8
Filter the air for a few days
Run an air purifier with an activated carbon filter in the room where the burn happened. Carbon filters target odors and gases, while a HEPA-only purifier mainly catches the particles. Keep windows open when the weather allows.
Why does a burnt smell linger for days?
The smell lingers because smoke is made of tiny particles and gases that settle on every surface and soak into fabric, so airing the room out only clears what is still floating.
That is why washing matters more than air fresheners. Burnt popcorn and scorched oil are among the worst, because the smoke is oily and sticks to walls and cabinets. A spray or candle only covers the smell for an hour; cleaning the film off surfaces and fabrics removes it. If the smell is tobacco smoke rather than burnt food, see our guide to getting rid of smoke smell, which covers thirdhand smoke residue.
Do air purifiers and ozone machines remove burnt smells?
An air purifier with an activated carbon filter helps; an ozone generator is not a good choice in a home where people and pets are breathing the air.
The EPA’s guide to air cleaners in the home explains that most filters are designed for either particles or gases, and that many air cleaners carry two filters so they handle both, including gases that cause odors. Look for one with a real carbon bed rather than a thin carbon-dusted sheet, and size it for the room.
The EPA’s page on ozone generators sold as air cleaners says no federal agency has approved them for use in occupied spaces, that ozone can harm health at high concentrations, and that at levels within public health standards ozone is not effective at removing many odor-causing chemicals. Restoration companies do sometimes run ozone in an empty house after a fire, with everyone out, but it is not a do-it-yourself tool.
How much cleaning does your burnt smell need?
Scale the job to how much smoke there was. A scorched pot needs an hour of airing; a smoky oven fire needs the whole kitchen washed.
| What burned | What to do | Usually gone in |
|---|---|---|
| Toast, a scorched pot, a burnt bag of popcorn | Remove the source, ventilate, clean the microwave or stove, baking soda bowls | Several hours to a day |
| Smoky oven or a grease flare-up | All of the above, plus wash kitchen walls, cabinets and curtains, and change the HVAC filter | One to three days |
| Smoke through the whole house, or a small fire | Wash walls and ceilings in every affected room, launder all fabrics, clean carpets, and consider duct cleaning | A week or more |
| Any fire that charred cabinets, walls or wiring | Call your insurer and a fire restoration company before cleaning | Professional job |
After a larger fire, the US Fire Administration’s after-a-fire resources cover safety checks, salvage and recovery before you start cleaning.
How to keep it from happening again
Stay in the kitchen while you cook on the stovetop, and keep a lid nearby. Most burnt smells start as unattended cooking.
The US Fire Administration calls cooking the leading cause of home fires and home fire injuries, and advises keeping a pan lid or baking sheet nearby to cover a pan if it catches fire. Set a timer when you leave anything in the oven, and clean spills off the oven floor so they do not burn on the next bake, as in our guide to cleaning an oven.
Mistakes to avoid
- Spraying air freshener instead of cleaning, which masks the smell for an hour and adds a second scent.
- Leaving the burnt pan in the sink, where it keeps releasing odor.
- Forgetting the HVAC filter, which spreads trapped smoke smell every time the system runs.
- Running an ozone generator while people or pets are home.
- Washing walls top down with a dripping sponge, which leaves streaks through the smoke film.
Products that make this easier
Optional. Everything above works with basic supplies; these just save time or effort.
- See it on Amazon
For a room
LEVOIT Core 300 Air Purifier
A compact purifier whose standard filter combines HEPA media with an activated carbon layer for odors. For heavy smoke smell, look at its toxin absorber or smoke remover filter options.
- See it on Amazon
Passive odor absorber
Moso Natural Air Purifying Bag
A bag of bamboo charcoal you set in a room or closet to absorb lingering odor. It works slowly, so use it alongside cleaning, not instead of it.
- See it on Amazon
For carpets and bowls
Arm & Hammer Baking Soda (large box)
Sprinkle it on rugs and upholstery overnight and leave open bowls in smoky rooms. Vacuum it up thoroughly so it does not clog the vacuum filter.
- See it on Amazon
For greasy smoke film
Krud Kutter Original Cleaner/Degreaser
Cuts the oily residue that burnt food and grease smoke leave on cabinets and painted walls. Test on flat paint first and rinse with clean water.
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