Comment choisir le compresseur frigo adapté à vos besoins de réfrigération?

How to choose the right fridge compressor for your refrigeration needs?

Finding the right fridge compressor is a crucial step when maintaining or replacing your refrigeration system. Different factors, such as cooling capacity (how cold you want to get), energy consumption (in kwh), and price, must be considered to determine which product best meets your needs specific and choose your equipment carefully. In this article, we will guide you through the key elements to consider when choosing this key part of the fridge, to help you make an informed decision adapted to your refrigeration equipment.

I. Understand the different types of fridge compressors available

A. Piston or screw compressors

For your refrigerator or freezer, it is essential to understand the different types of products available on the market. The two most commonly used types are piston and screw. Each of these models has its advantages and disadvantages in terms of power, energy consumption, and price.

Piston compressors

Piston models are often cheaper to purchase, but their power consumption can be higher. They are generally more suitable for small refrigerators or freezers. They work by using a piston that moves within a cylinder to compress the refrigerant gas. This type of part is often used in domestic refrigerators and small commercial appliances.

Screw compressors

Screw models are more expensive but offer better efficiency. They are often used in large refrigeration installations where consumption is a major concern. These use two helical screws that rotate in opposite directions to compress the gas. They can handle a larger volume of gas, making them ideal for larger installations.

B. Comparison of characteristics and performances of each type

When comparing different references and brands (Danfoss, Cubigel, Tecumseh,...), it is essential to take several factors into account. First of all, the power delivered is a key element. A more powerful product can cool a larger space more quickly, but it will also use more electricity. Then, the class (A, B, C,...) of the reference is also an important factor. A Class A or higher appliance will be more efficient in terms of energy production, which can save you money in the long run.

It is also crucial to consider the noise level of it, especially if your refrigerator or freezer is located in a living space. Some compressor models are designed to be quieter, which can be a huge advantage.

Dimensions can also be a determining factor, especially if you have limited space for installation. Some compact models are specially designed to fit into tight spaces without compromising performance.

In summary, choosing between piston or screw will depend on your specific refrigeration needs, the size of the space to be cooled, and your budget. It is therefore crucial to weigh the advantages and disadvantages of each type before determining which reference you will favor.

II. Analysis of specific refrigeration needs

A. Required cooling capacity

One of the first things to consider when making your choice is its ability to cool. This data is generally measured in terms of volume, in liters, and depends on several factors such as space, ambient temperature, and the quantity of food or product to be stored.

Volume and space

The volume of the space to be cooled is a key factor when comparing this spare part. If you have a large space to cool, you will need a more powerful compressor to maintain a stable temperature. It is therefore essential to measure the available space and choose a model that can manage it efficiently.

Ambient temperature

This is another factor that can affect your equipment's ability to cool. If your refrigerator or freezer is located in a warm room, the compressor will have to work harder to maintain a low temperature, which will increase your electricity bill.

Type of products to keep

The type of food or product you want to store can also influence the cold production needed. For example, certain products require more or less cold (positive cold, negative cold) for their preservation, which may require a more powerful device.

B. Terms of Use

The conditions of use of your refrigerator, freezer or cold room can also affect which appliance to choose. Here are some factors to consider:


Compressor workload is an important consideration. If your storage space is frequently opened and closed, it will have to work harder to maintain temperature, which can increase electricity consumption.

Type of food or product stored

Depending on the foods you store, the compressor's operation may vary. For example, if you store products that release a lot of moisture, this can increase the workload of the latter.

Device location

The location of your refrigerator or freezer can also have an impact on which compressor model to choose. If the device is located in a difficult to access location, this may complicate installation and maintenance.

III. Energy Efficiency Considerations

A. Compressor energy class

Efficiency in terms of electricity consumption is a key factor to take into account, whether it is intended for a refrigerator or a cold room. The class is usually indicated by a letter, ranging from A+++ for the most efficient to G for the least efficient. This class gives an indication of the electricity consumption of the device and can therefore have a significant impact on your operating costs.

Importance of class

The class is often linked to the price of the compressor. More efficient models are generally more expensive, but they can save you money in the long run through reduced electricity consumption. For example, a class A model can consume up to 25% less electricity than a class B model. Over a year, this can represent a significant saving on your electricity bill.

Environmental impact

Beyond energy savings, choosing an energy efficient product is also beneficial for the environment. Less electricity consumption means less energy production, which can reduce your carbon footprint.

B. Impact of efficiency on operating costs

The efficiency of a compressor has a direct impact on the operating costs of your refrigerator or freezer. If it is effective, it can indeed reduce the associated costs visibly.

Long-term costs

Although models that are efficient on this component may be more expensive, the savings on electricity consumption can offset this additional cost in the long term. It is therefore important to consider not only the initial price but also the operating costs when evaluating the available options.

Subsidies and incentives

In some cases, grants or tax incentives may be available for the purchase of energy efficient compressors. It is therefore advisable to find out about programs available in your area that could reduce the total cost.

Energy efficiency is therefore a key factor to take into account when making your decision. Not only can this save you money in the long run, but it can also have a positive impact on the environment.

IV. Compatibility with existing refrigeration package

A. Dimensions and technical specifications

When choosing a compressor (especially for professional installations such as cold rooms), it is crucial to consider the dimensions and technical specifications of the compressor to ensure that it is compatible with your existing refrigeration installation.

Measuring available space

Before making your purchase, be sure to measure the space available for the compressor. Some models may be larger or smaller than your facility can accommodate. The size of the model can also affect its efficiency and energy consumption, so it is important to choose a model that meets your needs in terms of volume and cold production capacity.

Checking specifications

It is also important to check the technical specifications of the model, such as power, voltage and the type of refrigerating gas used. These specifications must be compatible with your existing refrigeration unit to ensure optimal operation.

B. Adaptability to other components of the cold unit

Compatibility doesn't stop at dimensions and technical specifications. The compressor should also be compatible with other components in your refrigeration model, such as heat exchangers, fans and controllers.

Compatibility with refrigerants

The characteristics of the refrigerant used in your refrigeration installation are another factor to take into account. Some cold compressor units are designed to operate with specific refrigerant gas references, and using an incompatible gas can cause performance issues and even damage your compressor unit.

Compatibility with control devices

More and more modern refrigerators and freezers are equipped with advanced electronic controls that allow better regulation of temperature and energy consumption. Make sure the compressor you choose is compatible with these systems to maximize the efficiency of your unit.

Compatibility with your existing fridge or cold room therefore includes not only dimensions and technical specifications, but also compatibility with other components of the fridge unit and refrigerants.

V. Compressor reliability and durability

A. Manufacturer reputation and customer feedback

When it comes to choosing a compressor for your refrigeration system, reliability and durability are essential factors to consider. One of the best ways to evaluate these criteria is to look at the manufacturer's reputation and customer feedback.

Importance of the brand

The brand can often be a good indicator of the quality of the material. Reputable manufacturers typically invest more in research and development, which can result in more reliable and durable devices.

Customer reviews

Customer reviews can also provide valuable information about a compressor's reliability and durability. It's always good to check online reviews or ask for recommendations to get an idea of ​​how the hardware performs in real-world conditions.

B. Warranties and after-sales services available Fridge Spare Parts

Types of guarantees

Warranties offered by the manufacturer can also be a good indicator of compressor reliability. For example, at Frigo Spare Parts, we are particularly vigilant to ensure that the brands we work with can guarantee their products.

Spare parts

The availability of spare parts is another factor to consider. A compressor that uses standard parts will generally be easier and less expensive to repair than one that requires special parts. Please note: in the case of airtight models, changing parts is often impossible.

Do not hesitate to contact our customer service regarding this matter. We will be able to advise you.

VI. Integration of advanced technologies

A. Advantages of fridge compressors with electronic regulation

The integration of advanced technologies into refrigerator compressors has become increasingly common. One of the major advantages is electronic regulation, which allows better control of the cooling function and power consumption.

Temperature regulation

Those with electronic controls offer more precise temperature control, which can be particularly useful for systems that require cooling to specific levels. For example, certain types of food or chemicals require a very low temperature for their preservation.

Energy savings

These advanced technologies can also contribute to energy savings. In fact, electronic regulation allows the compressor to operate only when necessary, thus reducing electricity consumption measured in kWh.

B. Remote Monitoring and Control Options

Using batteries and mobile apps

More and more modern compressors offer the possibility of remote monitoring and control via a mobile application. These systems are often battery powered, allowing for greater flexibility in the placement of these monitoring devices.

Monitoring water and energy consumption

Some advanced systems also allow water and energy consumption to be monitored in real time. This can be particularly useful for businesses looking to reduce resource consumption and improve hardware efficiency.

In summary, the integration of advanced technologies in refrigerator compressors offers many advantages, notably in terms of regulation of the cooling function, reduction of kWh electricity consumption, and battery-powered remote monitoring possibilities.


Choosing the right fridge compressor is an important decision that can have a significant impact on the performance and reliability of your refrigeration system. By carefully considering your specific needs, the characteristics of the compressors available on the market and energy efficiency considerations, you will be able to select the refrigerator compressor best suited to your equipment, thus ensuring optimal operation and efficient preservation of refrigerated products.

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