An unpleasant odor in the refrigerator is a problem that almost everyone faces. Even with regular cleaning, odors from spoiled food, fish or spices can be absorbed into plastic, rubber seals and internal surfaces. But don’t rush to throw away the equipment or spend money on expensive services of specialists: in 90% of cases you can eliminate the smell yourself with the help of improvised means.
In this article we will analyze not only the classic methods (soda, vinegar, lemon), but also less known, but no less effective methods - from the use of activated carbon to special odor absorbers. You will learn how to properly prepare a refrigerator for cleaning, what mistakes are most often made when washing, and how to prevent the appearance of unpleasant odors in the future. And for owners No Frost and refrigerators with the system Total No Frost we have prepared separate recommendations - these models require a special approach.
Important: if the smell appeared after a power outage or long-term downtime of equipment, the reasons and methods for eliminating them will be different. At the end of the article you will find an FAQ with answers to the most frequently asked questions, including cases when standard methods do not help.
Why there is a smell in the refrigerator: 5 main reasons
Before you start cleaning, it is worth understanding the sources of the problem. This will help you choose the most effective method and avoid the reappearance of the smell.
The most obvious reason is spoiled food. Even a small piece of meat or fish forgotten on a back shelf can create a lingering ammonia or putrid odor. But there are also less noticeable factors:
- 🧊 Ice and condensation - in refrigerators without No Frost moisture accumulates on the back wall, creating an ideal environment for the growth of bacteria. This is especially true for models Indesit, Atlant and Biryusa over 5 years old.
- 🧽 Dirty seals —rubber gaskets on the door absorb odors and are rarely washed. Their porous structure retains germs even after superficial cleaning.
- 🔥 Poor quality plastic containers - cheap plastic (especially in egg trays or vegetable boxes) begins to “smell” on its own over time.
- 🦠 Bacterial contamination of the drainage system —the drain hole and tube become clogged with organic residues, which rot and emit a sewer smell.
- ⚡ Failure of the ventilation system —in models with No Frost (for example, Samsung RB37J5240SA or LG GA-B489YGQZ) impaired air circulation leads to stagnation of odors.
Interesting fact: according to a study by microbiologists from the University of Arizona, about 11.4 million bacterialives in the average refrigerator, and most of them are concentrated not on food, but on internal surfaces and seals. This explains why the smell returns even after thorough cleaning - if the original source is not eliminated.
Preparing the refrigerator for cleaning: step-by-step instructions
Improper preparation can negate all efforts to remove the smell. Follow this algorithm to be sure to get rid of aromas:
- Unplug the refrigerator and let it defrost completely (if it is not a model No Frost). Defrosting time depends on the thickness of the ice - usually takes 6–12 hours. You can speed up the process by placing a bowl of hot water (but not boiling water!) in the chamber.
- Remove all products. Check the expiration dates - perhaps the source of the smell has not yet been thrown away. Products in airtight containers (for example Tupperware or Lock&Lock) can be temporarily placed in a cooler bag or wrapped in a towel.
- Remove all removable elements: shelves, drawers, egg trays, bottle stands. They must be washed separately in warm water with detergent.
- Take out the drain plug (if any) and clean the drain hole. In models Bosch KGE36XL20R or Liebherr CPes 4066 it is located on the back wall of the refrigerator compartment.
Important: if your refrigerator is equipped with a system AirFlow or Multi-AirFlow (for example, Electrolux ENN2854AOW), pay attention to the ventilation grilles. They need to be carefully removed and washed, as dust and grease accumulate there, which can also be a source of odor.
Remove all products|Unplug the refrigerator|Remove removable shelves and drawers|Clean the drain hole|Prepare detergents-->
⚠️ Attention: If the refrigerator has a functionHoliday ModeorEco Mode, you need to turn it off before cleaning. Otherwise, the system may not react correctly to an open door and a prolonged lack of cooling.
Top 7 folk remedies for odor removal
Improved means often work no worse than professional chemicals, but require proper use. We tested popular methods and selected the most effective ones.
| Method | How to use | Pros | Cons |
|---|---|---|---|
| Baking soda | Dilute 2 tbsp. l. soda in 1 liter of warm water. Wipe all surfaces, then rinse with clean water. To enhance the effect, leave open packs of soda on the shelves for 12 hours. | Safe for food surfaces, neutralizes acidic odors (fish, onions, garlic). | Does not cope with old greasy stains. |
| Vinegar (9%) | Mix vinegar with water in a 1:1 ratio. Wipe the internal surfaces with the solution, then ventilate the refrigerator for 1–2 hours. | Kills bacteria, removes limescale. Effective against the smell of mold. | The pungent smell of vinegar can damage rubber seals with frequent use. |
| Lemon juice | Wipe the surfaces with a slice of lemon or a solution (juice of 1 lemon + 200 ml of water). Leave the peels on the shelves for 3-4 hours. | Refreshes the air and leaves a pleasant aroma. Suitable for refrigerators with ionic filters (for example, Panasonic NR-BN30A1). | Does not kill all types of bacteria, weak against greasy stains. |
| Activated carbon | Place 3-5 tablets in small containers on each shelf. Close the refrigerator for 24 hours. | Absorbs even persistent odors (for example, from fish or cheese). It is safe for all types of surfaces. | Requires a long exposure time. |
| Ammonia | Dilute 1 tbsp of ammonia in 1 liter of water. seals, then rinse with water. | Effective against the smell of urine (relevant for refrigerators in homes with animals) and rot. | Toxic - requires ventilation and hand protection. |
Advice from an expert: to enhance the effect, combine products. For example, first wash the refrigerator with soda. solution, then wipe with vinegar, and at the final stage use lemon or charcoal. This will remove both bacteria and grease, and neutralize residual odors.
Professional remedies: when traditional methods do not help
If the smell is persistent and does not disappear after 2-3 cleanings with improvised means, it’s time to move on to the “heavy artillery”. Modern detergent compositions not only mask odors, but also destroy them at the molecular level.
Here is a list of proven products indicating their features:
- 🧴 OdorGone (USA) - spray based on bioenzymes. Sprays on surfaces and does not require rinsing. Effective against odors of fish, garlic and tobacco. Suitable for refrigerators with a system Plasma Cluster (for example, Sharp SJ-FP78B-SL).
- 🧴 Dr. Beckmann (Germany) - gel for cleaning refrigerators. Contains antibacterial components, removes mold and limescale. Ideal for models with Water Dispenser.
- 🧴 Top House (Russia) —cleaning foam with the effect of absorbing odors. Neutralizes ammonia odors (for example, from spoiled meat). It is safe for plastic and glass.
- 🧴 Smeg CLF01 (Italy) —cleaner for premium refrigerators. data-i="148">—does not leave streaks on chrome parts. Smeg FAB28 — does not leave streaks on chrome parts.
Warning: before using professional products always test them in a small area. (for example, on the back wall). Some compounds can damage the coating AntiBacteria or Silver Nanowhich are often found in refrigerators LG and Samsung.
For the drainage system, it is better to use specialized products, for example, Bacto-Drain or Domestos Pipe CleanerThey dissolve organic deposits, which are the main cause of "sewage". odor.
How to clean the drainage hole?
1. Put on gloves and take a cotton swab or a special brush (included with some models, for example, Beko CN 326220).
2. Carefully clean the hole, removing visible debris.
3. Pour 50–100 ml of pipe cleaning solution into the hole (for example, Mole), then rinse with warm water.
4. times, if the smell persists.
Features of cleaning refrigerators with the No Frost system
Refrigerators with No Frost (for example, Hisense RB-385N4WC1 or Gorenje NRK 6191 MC) require a special approach. means that they do not require maintenance. Key nuances:
- 🌀 Ventilation ducts —they need to be cleaned with a soft brush or a vacuum cleaner with a narrow nozzle. The accumulation of dust in them leads to disruption of air circulation and the appearance of a musty smell.
- 🔄 Evaporator — is located behind the rear panel (in some models, for example Whirlpool ART 981, access to it is simplified). It must be carefully washed with a damp sponge without damaging the aluminum plates.
- ❄️ Automatic defrosting - even in No Frost frost may form on the surface. evaporator. If the refrigerator starts to smell like “snow,” this is a sign that the system needs to be defrosted manually (turned off for 12–24 hours).
Important: in refrigerators with Twin Cooling Plus (technology Samsungor Dual Cooling (LG) both chambers are cleaned separately - the refrigeration and freezer. Their ventilation systems are not interconnected, so the smell from one chamber does not transfer to the other, but cleaning must be carried out comprehensively.
⚠️ Attention: In models with No Frost do not use abrasive products (for example, dry soda powder) - they will damage the anti-corrosion coating. evaporator. Also avoid products with chlorine: they can destroy the ethylene propylene rubber (EPDM) seals that are used in most modern refrigerators.
How to get rid of persistent odors: emergency measures
If the smell does not disappear after standard cleaning, try these methods:
- Ozone treatment —some service centers offer this service (cost ~1500–2500 RUR). Ozone destroys odor molecules and kills bacteria. Suitable for refrigerators after a flood or long-term inactivity.
- Ultraviolet lamp - place in the refrigerator for 30-60 minutes. UV radiation destroys up to 99% of germs. Important: do not look at the lamp without eye protection!
- Hydrogen peroxide (3%) - wipe all surfaces. undiluted peroxide, then rinse with water. The method is effective against the smell of rot and mold.
- Coffee beans - place on shelves for 12-24 hours. Coffee absorbs odors better than soda or charcoal. data-i="196">Coffee beans
A last resort - replacing plastic panels. In some models (for example, Liebehr ICBN 3366) the inner walls are removable and can be ordered from the manufacturer. This is important if the plastic has absorbed the smell at the molecular level (for example, after storing chemicals).
Prevention: how to prevent the appearance of odor
Regular care will help avoid the problem. Here are proven methods of prevention:
- 📅 Cleaning schedule - wash the refrigerator once every 1-2 months (in the summer - more often). shoes) or a special absorber (for example,
- 🧊 Odor absorbers — place a bag of silica gel in the refrigerator (comes in shoe boxes) or a special absorber (for example, Fresh Box from Xiaomi).
- 🥩 Proper storage of food - store meat, fish and cheeses in vacuum containers or wrap with cling film in 2-3 layers.
- 🌿 Natural fresheners —put a sprig of rosemary or bay leaf on the shelf. They not only add flavor, but also slow down the growth of bacteria.
- 🔍 Weekly inspection —check foods for spoilage.
For refrigerators with a water dispenser (Samsung RF23J9011SG, LG GR-B247JVQA), be sure to change the filter once every 3 months. A clogged filter becomes a breeding ground for bacteria and a source of unpleasant taste in water.
If your model has a function Deo Fresh (as in Haier C2F636CWG), turn it on once a week for 1-2 hours. It uses ionization to neutralize odors.
FAQ: answers to frequently asked questions
The smell remains after cleaning with soda and vinegar.
If standard methods do not help, try deep cleaning with disassembly:
- Remove the back panel (in models without No Frost) and wash the evaporator.
- Check drainage tube - often the smell comes from there. Clean it with wire and rinse with a solution of potassium permanganate.
- Use enzyme cleaners (for example, Bio-Mist), which destroy organic deposits.
If this does not help, perhaps the smell has been absorbed into thermal insulation layer. In this case, only professional ozone treatment will help.
Can I use bleach to clean a refrigerator?
Chlorine-containing products (Whiteness, Domestos) not recommended for regular cleaning, since:
- They destroy rubber seals.
- They can damage the antibacterial coating (for example, Ag+ in models Samsung).
- They leave a persistent chemical odor that is absorbed into the products.
Exception: if there was mold, you can once use a weak solution of bleach (1 tbsp per 1 liter of water), but then rinse all surfaces thoroughly.
How to remove the smell of plastic in a new refrigerator?
The smell of new plastic (especially strong in models Atlant or Stinol) disappears after 1-2 weeks. To speed up the process:
- Wipe all surfaces with a solution of vinegar (1:1 with water).
- Wash the removable elements with soda.
- Ventilate the refrigerator with the door open for 2-3 hours a day.
- Put on the shelves activated carbon or citrus peels.
Do not use fragrances - they can react with the plastic and increase the smell.
How to wash a refrigerator with an antibacterial coating?
For models with coatings BioFresh (Liebherr), Ag+ (Samsung) or Plasma (Panasonic) are only suitable neutral detergents:
- Special sprays for refrigerators (for example, Electrolux E6RCS104).
- Soap solution (fragrance-free laundry soap).
- Citric acid solution (1 tsp per 1 liter of water).
Prohibited: abrasives, chlorine, vinegar in high concentrations, products with ammonia.
There is a burning smell. What could it be?
The smell of burning - serious signalPossible reasons:
- Burned compressor or start relay.
- Short circuit in defrosting system (for models with No Frost).
- Problems with fan (in refrigerators Samsung or LG with a system Multi Air Flow).
⚠️ Immediately unplug the refrigerator and call a technician. Using the equipment in this state is dangerous!