The layout of a modern kitchen is often dictated not only by aesthetics, but also by practicality, and the decision to integrate two refrigeration chambers into one set is becoming increasingly popular. This allows you to create an impressive symmetrical façade, visually enlarge the space, or simply divide storage areas for different types of products, for example, by allocating a separate compartment for drinks and meat. However, the implementation of such a project requires careful preparation, since built-in appliances has its own installation features, which are fundamentally different from the installation of free-standing models.
Real estate owners need to take into account not only the dimensions of the niches, but also a complex ventilation system, which is critical for the durability of the equipment. Incorrect calculation of clearances or ignoring air circulation requirements can lead to compressor overheating, increased energy consumption and premature failure of expensive equipment. In this article, we'll walk you through every step of the process, from choosing a location to final adjustments to the hinges, to ensure your project is a success.
Choosing the type of appliances and planning the space
The first step towards the ideal kitchen is determining the type of refrigeration equipment that will be used. There are two main options: full-fledged built-in refrigerators, which are mounted in special niches of a furniture set, and free-standing models, which are hidden behind furniture facades. The first option is preferable, since their ventilation system is organized differently, and the facade fasteners are provided structurally.
When planning, it is important to understand that the dimensions of the niche should always be larger than the dimensions of the device itself. This is an axiom that cannot be ignored. If you plan to install two units side by side, you must provide sufficient space between them or on the sides for heat exchange. Manufacturers often indicate in the technical documentation the minimum opening dimensions, deviating from which is strictly prohibited.
To organize the storage of large volumes of food, a combination of a refrigerator and a freezer is often used. In this case, it is important to maintain symmetry and a unified style of facades so that the composition looks holistic. It is also worth considering in advance how the doors will open so that they do not interfere with each other and do not block access to adjacent cabinets or a sink.
Requirements for ventilation and heat transfer
The most common mistake during installation is insufficient ventilation. The refrigerator does not produce cold, it transfers heat from the inner chamber to the outside, and if this heat has nowhere to go, its efficiency drops to zero. For built-in models, there is a standard circulation scheme: air is sucked in from below through the ventilation grille in the base and, when heated, exits through the upper part of the niche.
⚠️ Attention: If you install two refrigerators in one row, make sure that the upper ventilation duct has a sufficient cross-section. The dual flow of hot air can create excess pressure if the exhaust opening is too narrow.
The table below shows the recommended clearance parameters to ensure proper operation of the equipment:
| Parameter | Minimum clearance (cm) | Recommended clearance (cm) |
|---|---|---|
| Gap at the back (wall) | 5 | 7-10 |
| Gap at the top | 3 | 5 |
| Gap at the sides | 2 | 3-5 |
| Ventilation hole (bottom) | 200 cm² | 300 cm² |
Particular attention should be paid to the room temperature. If refrigerators are installed in a niche that is heated by neighboring appliances (for example, an oven or dishwasher), it is necessary to install a thermal insulation partition. Thermal insulation will help maintain energy efficiency and protect the walls of the appliances from deformation.
What to do if ventilation impossible?
In exceptional cases, when it is not possible to organize classical ventilation through the base and top, the use of active ventilation systems with forced air removal is allowed, but this requires the intervention of a professional engineer and the laying of additional air ducts.
Preparation of furniture niches and structures
Furniture for embedding two refrigerators must have increased strength and resistance to moisture. Cabinet materials, such as laminated chipboard, must be protected from condensation, which can form due to temperature changes. Before starting installation, it is necessary to check the geometry of the niches: they must be strictly vertical, without distortions that could disrupt the operation of the door closing mechanism.
The preparation process includes cutting out the necessary holes in the rear wall of the cabinet or dismantling the rear wall to provide direct access to the wall for ventilation. If the kitchen design involves a blind backdrop, technological windows must be cut out in it. It is also important to make sure that the floor in the niche will support the weight of a refrigerator filled with food, which can reach 100-120 kg per chamber.
☑️ Preparing the niche for installation
The facades are fastened to special slides or hinges that go complete with refrigerator. The design of the furniture must provide for the possibility of adjusting these hinges after installation. Often, for two adjacent refrigerators, a single tabletop or decorative cornice is used on top, which hides the ventilation gaps and combines the composition into a single block.
Step-by-step installation instructions
Installation begins with unpacking the equipment and removing all shipping materials. Pay special attention to removing shipping bolts if there are any, although built-in models may not have them. Before installing it in a niche, it is recommended to check the functionality of the device by turning it on for 15-20 minutes to make sure the compressor starts.
Then the refrigerator is carefully pushed into the prepared niche. At this stage, it is important not to damage the ventilation grilles and wiring. After positioning the device, it is necessary to level it horizontally using the adjustable support legs. Use a building level when placing it on the shelves inside the chamber, as the outer walls may have a slight technological slope.
⚠️ Attention: Never tilt the refrigerator more than 45 degrees while moving. This can lead to oil flowing from the compressor into the refrigerant circuit, which will cause water hammer at the first start.
The next step is fastening the furniture facade. The refrigerator door is equipped with a sliding or rigid fastening system. In the sliding system, the facade is attached to the cabinet door, which, in turn, is hung on the refrigerator. In a rigid fastening system, the front is screwed directly to the appliance door through adapter plates. For two refrigerators, this process is doubled, so it is important to maintain symmetry in the gaps between the doors.
Electrical connection and safety
Connecting to the electrical network is a critical step that requires compliance with safety rules. For two powerful refrigeration units, it is advisable to provide separate sockets with grounding. The use of extension cords and tees is not recommended, as they can cause contact overheating and fire, especially if the total power of the devices is high when the compressors start.
Wiring must match the load. Modern refrigerators with the No Frost system are characterized by starting currents, which may be higher than the rated ones. If the outlet is in a hard-to-reach location (as is often the case in fitted kitchens), make sure it is reliable and does not require frequent unplugging. Ideally, access to the outlet should be through an adjacent cabinet or plinth.
After connecting, it is necessary to let the device stand, if it was transported lying down, for at least 2-4 hours. This is necessary for oil to drain into the compressor. Only after this can the first launch and loading of products be carried out.
Adjustment of facades and final settings
The final stage is fine tuning. The doors of two built-in refrigerators should open easily, not touch each other and adjacent kitchen elements, and also close tightly. If you notice a skew or a loose seal, you need to adjust the height of the legs or the position of the hinges.
It often happens that after hanging heavy facades, the door begins to open spontaneously or, conversely, requires force to close. This can be solved by adjusting the angle of the body. Also check the operation of the closers, if provided by the model. An even line of junction of the facades of two refrigerators is a sign of quality work done.
- 🔹 Check the tightness of the magnetic seal around the entire perimeter of the door.
- 🔹 Make sure that when opening one door, the second one remains in place and does not move.
- 🔹 Evaluate the work system No Frost a few hours after switching on (no ice).
- 🔹 Check the noise level: built-in appliances can resonate with furniture, creating a hum.
What to do if the facade of the refrigerator touches the adjacent cabinet?
If when opening the door touches adjacent furniture, try increasing the gap using the hinge adjustment screws. If this does not help, you may need to file the corner of the adjacent cabinet or install a door opening limiter, which comes with some models.
Is it possible to build a regular refrigerator into a cabinet?
Technically it is possible, but not recommended. Conventional refrigerators are heated by their side walls, and closing them in a closed cabinet will lead to overheating. In addition, attaching a heavy furniture front to the door of a regular refrigerator can break the hinges, which are not designed for such a load.
Is it necessary to make holes in the cabinet shelves for ventilation?
For built-in models that are ventilated from the front (through the base and top), holes in the shelves are not required and are even undesirable, since they violate aesthetics. Air should circulate around the body of the appliance, and not through the shelves.
What kind of gap is needed between two built-in refrigerators?
If refrigerators are installed end-to-end in one line, there should be a minimum gap between their cases inside the furniture (usually 2-3 cm) for the passage of air flows and to compensate for the expansion of materials, but the facades can fit tightly if there are special decorative slats.