A familiar situation: you unpacked the long-awaited unit, installed it in the kitchen, turned it on, and instead of freshness you felt an obsessive, specific odor. Many users panic, believing that they have purchased defective equipment, but most often this is a natural process. The smell, which in everyday life is called “refrigerator smell,” usually comes from the materials from which the internal volume of the chamber is made.
Manufacturers use various types of plastic, rubber seals and polyurethane foam insulation. Upon first contact with air and the initial operation of the compressor, these materials begin to actively release volatile organic compounds. This phenomenon is called degassing and is typical for most household appliances, be it Indesit, LG or premium Sub-Zero.
However, the aroma is not always harmless. Sometimes the standard “technical” spirit hides problems with transportation or improper preparation for the first launch. Understanding the nature of the origin of these odors will help you quickly solve the problem and not worry about the safety of the products.
Chemical composition: where does the smell come from
The main source of the specific aroma is the internal plastic. In the production of storage chambers, polymers are used, which must be inert and safe for food contact. However, during the casting and molding process, residual monomers and solvents remain in the material. When the temperature increases, even slightly, these substances begin to evaporate.
The second important component is the polyurethane foam that fills the space between the outer metal wall and the inner plastic chamber. It serves as a heat insulator. If during assembly at the factory there was a micro-depressurization of the internal circuit or foam with a high content of volatile substances was used, the smell can be quite pungent. This is especially noticeable in models with a system No Frost, where active air circulation quickly distributes aromas throughout the entire volume.
⚠️ Attention: If the smell resembles burnt rubber or scorched wiring, this may indicate overheating of the electric motor or problems with the wiring. In this case, operation should be stopped immediately.
The third element is rubber door seals. New rubber always has a characteristic smell of sulfur and vulcanizing additives. It is most concentrated in the first days of operation and takes the longest to erode, since the seal is not blown through by an active air flow as intensely as the central part of the chamber.
Transportation surprises: glue, tape and packaging
Often the reason lies not in the refrigerator itself, but in how it got to your kitchen. When transporting to a warehouse or store, equipment is fixed in cardboard boxes using wide tapes and adhesives. If, when unpacking, you did not remove all traces of glue or tore off a piece of adhesive tape and left it on the shelf, it will emit a strong chemical aroma.
The adhesive base of the tape, when heated or simply in prolonged contact with plastic, can react, creating a persistent unpleasant odor. It is also worth checking the bottom of the unit. There are often fragments of packaging foam backing or protective film left there, which, under the influence of heat from a running compressor, begin to “foul.”
- 🧼 Carefully inspect all corners and joints of the panels for glue residues.
- 📦 Remove all shipping bolts and fasteners if they were not removed when installation.
- 🌬️ Check the ventilation holes in the back - packaging debris could have gotten in there.
You should not ignore the smell of the cardboard packaging itself if it has been lying in a damp warehouse for a long time. Moldy cardboard that gets inside the chamber will create the feeling that the refrigerator smells damp from the first minutes of operation.
Preparation rules: how to avoid odor problems
Many users make the mistake of plugging in the device immediately after delivery, especially in winter. Sudden temperature changes can cause moisture to condense inside electronic components and on plastic surfaces. A humid environment accelerates the release of volatile substances from plastic and contributes to the appearance of a musty odor.
Proper preparation begins with acclimatization. After being brought into the room, the refrigerator should remain turned off for at least 2–4 hours (and in winter - up to a day). During this time, the temperature of all components will be equal to room temperature, and the condensate will have time to evaporate. Only after this you can start washing.
☑️ Primary preparation of the refrigerator
Washing is a critical step. Use a weak solution of baking soda or a special household appliance cleaner. It is strictly forbidden to use aggressive chemicals, bleach or abrasive powders, as they can damage the antibacterial coating of the shelves and increase the chemical smell, which will then be difficult to remove.
After wet cleaning, be sure to wipe all surfaces dry with a soft cloth. Leave the doors open for several hours to completely remove the smell of detergent and residual moisture. Only after all these procedures have been completed, the device is ready to be turned on for the first time.
How long does it take for the smell of a new device to disappear
The question of how long the “new” smell will last worries many housewives. The norm is a period of 3 to 7 days of active use. During this time, the concentration of volatile substances decreases to a level that is safe and imperceptible to the sense of smell. If the situation does not change after a week, you should look for other reasons.
Several factors influence the rate of weathering. The first is the temperature inside the chambers. The colder it is, the slower the degassing processes occur, but air circulation in cooling mode also works more actively. The second factor is the volume of the chamber. In small refrigerators, the concentration of odors is felt more acutely than in Side-by-Side models.
Does the color of the plastic affect the smell?
Yes, indirectly. White plastics often contain titanium dioxide and other pigments, which may have their own specific, albeit faint, odor. Gray or colored plastics may use different dyes, but the difference in odor intensity for the end user is usually negligible.
The third factor is the quality of ventilation in the kitchen. If the refrigerator is in a niche or close to the wall, without a gap for air circulation around the case, the heat from the condenser and compressor heats the walls, increasing the release of odors from the materials.
The table below shows the approximate time frame for the weathering of various types of odors:
| Type of odor | Source | Average weathering period | Need for action |
|---|---|---|---|
| Plastic | Internal walls | 3-5 days | Ventilation |
| Rubber | Door seals | 7-14 days | Wipe with lemon |
| Glue/Scotch | Packaging | Before removal | Mechanical cleaning |
| Mounting foam | Case insulation | 2-4 weeks | Tightness control |
Methods of neutralization: folk and professional remedies
If waiting does not produce results, you can speed up the process. The simplest and most effective way is to use absorbents. Activated carbon, which can be purchased at a pharmacy or pet store, perfectly absorbs extraneous odors. It is enough to scatter the tablets into a shallow bowl and place them on the refrigerator shelf for 2-3 days.
Natural odor absorbers also work wonders. Lemon, cut in half, or citrus peels not only mask, but also neutralize unpleasant notes due to the content of essential oils and acids. Coffee beans or ground (in an open container) is also a powerful absorbent.
⚠️ Attention: Do not use flavors with strong chemical fragrances (air fresheners, sticks) in an attempt to cover up the smell of the refrigerator. You risk saturating the plastic with “chemicals”, which will then be impossible to get rid of, and the products will acquire a strange taste.
Some of the professional products include special sprays for removing odors in the refrigerator, which are sold in household chemicals departments. They contain enzymes that break down organic odor molecules. It is important to choose products labeled “for food surfaces” and carefully follow the instructions.
When the smell signals a malfunction
Although “new refrigerator smell” - this is the norm, there are situations when the aroma indicates a breakdown. If you smell burnt wiring, overheating plastic, or oil, this is a warning sign. This often happens during the first start-up if there was a factory defect in the compressor or incorrect wiring inside the control unit.
Another reason is a refrigerant leak. Modern freons are often odorless, but odorants may be added to them, or the odor may come from the compressor oil that comes out with the gas. In this case, you may notice a sweetish or chemical taste.
- 🔥 Burning smell: motor overheating or short circuit.
- 🧊 Ammonia smell: refrigerant leak (in older models or industrial ones).
- 🛢️ The smell of machine oil: a malfunction of the compressor or lubrication system.
In such cases, independent repairs are prohibited. It is necessary to disconnect the device from the network and call a technician from an authorized service center. Operation of a faulty unit can lead to a fire or spoilage of food.
FAQ: Frequently asked questions
Can food be loaded into a refrigerator with an odor? plastic?
Strongly not recommended. Plastic and food tend to exchange odors. Foods, especially fats (butter, cheese, meat), will instantly absorb the chemical aroma and their taste will be spoiled. Wait until it completely evaporates.
Will an ozonizer help remove the smell of a new refrigerator?
Yes, a household ozonizer is a very effective remedy. Ozone is a strong oxidizing agent and quickly destroys odorant molecules. However, you need to use it carefully, following the instructions, and not being in the room while the device is operating.
Why does it smell even after washing with soda?
Soda removes surface dirt and odors. If the source of the odor is located deep in the plastic structure or in the insulating layer (foam), surface washing will not help. In this case, time and active air circulation are required (ventilation with the doors open and turned off).
Is it dangerous to breathe the vapors of new plastic?
In small concentrations typical for household use, this does not pose an acute threat to the health of an adult. However, it is better for children and people with allergies or asthma not to be in the kitchen during the first hours of operation of the new appliance. Ventilation of the room is mandatory.
Is it necessary to wash the refrigerator before turning it on for the first time?
Required. In production and warehouses, production dust, lubricant microparticles and dirt settle on the walls. If you do not wash off this layer, when heated by a running compressor, it will give a persistent unpleasant odor, which will mix with the smell of the plastic itself.