Owners of apartments in old buildings, especially in the so-called “Khrushchev” and “Brezhnevka” buildings, often encounter a unique architectural element in the kitchen - a recess in the wall under the window sill. This constructive element, designed to compensate for the lack of full-fledged household appliances in the middle of the 20th century, still raises many questions among new homeowners.
Many are trying to understand what is the name of the refrigerator under the windowwhether it is worth using it for its intended purpose or is it better to lay it down, and what modern methods of modernizing it exist. In this article we will analyze in detail the structure of this cabinet, its technical features and give recommendations for operation.
The decision on the future fate of this niche space requires a balanced approach, since it directly affects the thermal insulation of the apartment and the general microclimate. Understanding the principles of operation of this design will help you avoid mistakes during repairs and maintain useful functions or wisely discard them.
Official name and history
People most often call this element simply “Khrushchev’s refrigerator” or “refrigerator under the window.” However, in official construction documentation and architectural plans of that time it appeared as winter cabinet or a ventilation duct. Sometimes you can find the name “kitchen refrigerator cabinet,” which more accurately reflects its functional purpose.
The appearance of such cabinets was due to an acute shortage of household electric refrigerators in the 50-60s of the last century. The architects were looking for a way to provide citizens with the ability to store perishable foods by taking advantage of natural temperature changes. In winter, the temperature in the niche dropped to values close to street values, which made it possible to keep food fresh for a long time.
The design was simple and effective for its time: the thick walls of the house provided insulation, and the ventilation hole allowed cold air to circulate. Today, when electric refrigerators are in every home, the function of this element has shifted towards additional storage space or a technical cabinet.
⚠️ Attention: In different regions and house designs, the names and design features may vary slightly, but the operating principle remains the same.
Design and operating principle of the design
Understanding how works winter closet, necessary for its proper operation. The basis of the structure is a niche formed by reducing the thickness of the outer wall. In most panel houses, the thickness of the wall in this place is only half a brick or even less, which ensures rapid heat exchange.
The key element is ventilation holewhich connects the interior space of the closet with the street. Through this channel, cold air enters the niche, displacing warmer air, which goes back through leaks or special vents. Air flow adjustment was often carried out through a damper or a simple hole covered with a grille.
The doors of such a refrigerator were traditionally made of wood and upholstered with leatherette to improve thermal insulation. Felt or foam rubber was often laid between the doors to minimize heat loss. Modern owners replace them with plastic double-glazed windows or sandwich panels to increase energy efficiency.
It is important to note that the back wall of the niche was never insulated initially, since it the task was precisely freezing. This creates certain problems from the point of view of modern energy saving standards, but is the foundation of the operation of the entire system.
Advantages and disadvantages of a winter closet
When deciding what to do with a niche under the window, you need to weigh the pros and cons. This architectural solution has its fans and opponents, and each side has strong arguments.
The main advantages include:
- 🌡️ Natural cooling: in winter you can store food without the cost of electricity, which is especially important for vegetables, pickles and drinks.
- 📦 Additional space: even not used as a refrigerator, the cabinet provides square centimeters for storing household chemicals or tools.
- 💰 Saving resources: no need to use electricity for cooling in winter reduces the load on the network.
However, the disadvantages are also significant and often become decisive factor during dismantling:
- ❄️ Heat loss: a thin wall is a cold bridge through which heat leaves the apartment, increasing heating costs.
- 💧 Risk of condensation and mold: if used improperly or poorly ventilated, condensation may form on the walls, leading to the appearance of fungus.
- 🏗️ Difficulty of integration: incorporating a retro element into a modern kitchen design can be quite difficult without deep reconstruction.
⚠️ Attention: If you notice black spots of mold around the cabinet, this is a signal of a violation of the humidity regime, requiring immediate attention intervention.
Modern methods of reconstruction and use
Today there are several popular use scenarios niches under the window. The choice depends on the needs of the residents and the condition of the house itself. One of the most popular options is to turn a winter refrigerator into a full-fledged cabinet for storing cereals, canned goods or dishes.
To do this, the internal space is cleaned, treated with antiseptics and often insulated from the inside if you want to completely isolate it from the street. In this case, the ventilation hole is either sealed or left minimal for micro-ventilation to prevent mustiness.
Another option is functional refrigerator. The owners install modern electrically driven ventilation systems there or leave natural draft, but change the doors to sealed ones. This allows you to use the niche for its intended purpose in winter, saving space in the main kitchen.
Idea for creatives
Bar counter or minibar: You can build shelves for bottles of drinks into the niche, which, thanks to the natural cold, will always be chilled.
The third, radical option is to completely dismantle the back wall and install it there heating radiator. This can significantly improve the heating of the kitchen, but requires coordination with utility services and professional performance of the work, since it affects the load-bearing structures or facade.
Technical parameters and comparison of options
To better navigate the possibilities of modernization, it is worth considering the main parameters of various approaches to reconstruction. Below is a table comparing the key characteristics.
| Parameter | Save as “Winter refrigerator” | Conversion into a storage cabinet | Installing a radiator |
|---|---|---|---|
| Energy efficiency | High (saving electricity) | Average (depending on insulation) | Low (increased heat transfer) |
| Risk of freezing | High | Low (with insulation) | Absent |
| Difficulty of implementation | Low | Average | High |
| Usable area | Maximum | Maximum | Reduced due to pipes |
As can be seen from the table, each option has its own technical features. The choice operation mode should be based on the climate zone and the condition of the window opening.
Insulation and sealing: step-by-step instructions
If you decide to keep the niche, but minimize heat loss, it is necessary to carry out qualitative insulation. This process requires attention to detail, since a mistake can lead to freezing of the wall and damage to the finish.
The first step is always surface preparation. The walls of the niche are cleaned of old paint, whitewash and dirt. All cracks and crevices, especially in the corners and around the ventilation hole, are carefully sealed with mounting foam or cement mortar.
Next comes the stage of laying insulation. For these purposes, polystyrene foam or penoplex, which have low thermal conductivity and moisture resistance, are best suited. The sheets are attached with a special glue and additionally fixed with dowels.
☑️ Checklist for insulating a niche
An important step is the installation of new doors. Modern plastic double-glazed windows or sandwich panels provide better airtightness than old wooden structures. Be sure to use a high-quality seal around the perimeter of the doors.
⚠️ Attention: When insulating, do not completely block the ventilation hole if you plan to use the cabinet for storing food, otherwise an unpleasant odor may appear there.
Frequent problems and methods their solutions
Operation Khrushchev refrigerator may be accompanied by a number of typical problems, knowledge of which will help to quickly eliminate them. Most often, owners are faced with excess humidity or, conversely, complete freezing of the contents.
If the cabinet is constantly damp and smells of mold, it means that air circulation is impaired or waterproofing is insufficient. In this case, it is necessary to check the draft in the ventilation duct and, if necessary, clean it. It is also worth checking the integrity of the seals on the doors.
The problem of excessive cold is solved by installing an adjustable damper on the ventilation duct. This simple device allows you to block the flow of cold air in severe frosts, maintaining an acceptable temperature inside the niche.
If drafts appear from the doors, even closed ones, it is necessary to replace the sealing rubber or adjust the fittings. Old wooden doors often dry out and warp, losing their tightness.
Lifehack
To quickly eliminate drafts from old wooden doors, you can use a self-adhesive window seal, which is sold in any hardware store.
Regular maintenance and timely repairs will extend the life of this unique interior element and make it comfortable and functional in modern conditions.
Is it possible to completely fill a niche with brick?
Yes, this is a valid option if you do not plan to use the space. However, it is recommended to leave a layer of insulation and vapor barrier so as not to disturb the thermal contour of the building and the dew point.
Why does condensation appear in the closet in the summer?
This occurs due to temperature differences and high air humidity. Warm, moist air enters the cold niche and settles on the walls. The solution is good ventilation or complete sealing.
What temperature does a winter refrigerator keep in winter?
The temperature depends on weather conditions, but usually it ranges from -2°C to +5°C, which is ideal for storing many products, but not enough for freezing meat.
Do you need a permit to alteration of a niche?
If you do not affect the load-bearing structures and do not change the appearance of the facade (for example, do not change the color or shape of the window block from the outside), special permission is usually not required.
Is it possible to install an electric refrigerator there?
Technically it is possible, but this is irrational: in the summer it will be hot there due to the proximity streets, and in winter it is too cold for the compressor to operate normally, which will lead to its breakdown.