Joybuy Insights

45 L mini fridge: how to choose a compact appliance to suit your needs

A 45 L mini fridge can easily fit into a studio flat, bedroom, office or home-working area. However, not all compact appliances are designed for the same uses. Some are primarily intended for chilling drinks, while others have a proper refrigerated compartment capable of holding fresh food.

Before placing your order, three common mistakes are worth avoiding: confusing an electric cool box with a fridge, underestimating noise levels in a bedroom and forgetting to check the actual space available. Here are the key criteria to consider when choosing a compact small fridge, without relying solely on the claims made in the product listing.

Common pitfalls before buying

1. Confusing cooling with cold storage

A 4 to 6 L portable mini fridge often uses a thermoelectric system. It can lower the temperature below ambient levels and, in some cases, warm products. However, it does not work like a compressor fridge: it is generally not designed to freeze items or store highly perishable food for long periods when the outside temperature rises.

For a few drinks, cosmetics or occasional use in the car, this type of appliance may be perfectly suitable. For storing fresh food every day, a 45 L mini fridge with a refrigerated compartment offers an arrangement much closer to that of a domestic appliance.

2. Relying solely on the word ‘quiet’

The noise level, expressed in decibels, is a more reliable indicator. A figure between 40 and 41 dB may be suitable for an office or bedroom, although how it is perceived depends on the room, flooring and operating cycles. Vibrations can also become annoying if the appliance is not completely stable.

Adjustable feet, a level surface and sufficient space around the ventilation grilles all help to reduce unwanted noise. Avoid placing the mini fridge directly against a wall or right next to the bed.

3. Forgetting to check the actual dimensions available

An appliance described as compact may need a few extra centimetres to allow the door to open and heat to escape properly. Measure the available width, depth and height, then check which way the door opens.

If it is a freestanding fridge, also make sure you have a surface that can support its weight once loaded. A model designed to stand on the floor must not be built in unless the manufacturer explicitly allows it.

Technical criteria to check

Usable capacity and internal layout

The stated capacity does not always correspond to the space that can actually be used. Look at how the main compartment, door shelf and small freezer compartment are arranged. The TCL RF60DWE0FR, for example, offers 45 L in total, including 42 L for the fridge and 3 L for the freezer.

An adjustable shelf makes it easier to store containers of different heights. A sufficiently wide door shelf is useful for bottles, but check its dimensions if you plan to store 1.5 L bottles there. For a mini fridge intended for drinks, the internal layout often matters more than a few extra litres of capacity.

Temperature, defrosting and cooling technology

A compressor mini fridge generally offers a temperature range better suited to food storage than a thermoelectric cooler. The TCL model specifies a range of 0 to 10 °C for the fridge and 5 to –5 °C for the freezer, with manual defrosting.

This means you will need to remove accumulated ice regularly. That is not necessarily a drawback, but it is something to factor into routine maintenance. By contrast, a portable electric cool box that can cool and warm items is convenient when travelling, but its use for food must comply with the manufacturer’s recommendations.

Energy consumption and installation

The energy rating should be considered alongside annual energy consumption, where this is provided. The TCL RF60DWE0FR is listed as energy class E. This information makes it possible to compare appliances according to the current energy label, but actual consumption also depends on the ambient temperature, selected setting, how full the appliance is and how often the door is opened.

Always install the appliance in a properly ventilated area, away from heat sources and direct sunlight. In a car, use only a power supply compatible with the model. Some portable appliances operate from the mains at home and from 12 V direct current in a vehicle.

Which option suits your needs?

The models below are designed for different uses. Before ordering, always check their availability, the listed specifications and the sales conditions on the product page.

Recommended for : Beginners on a budget
4 L mini fridge, portable cooler and warmer

4 L mini fridge, portable cooler and warmer

Why this choice suits this profile : Its small footprint makes it suitable for a desk, a small bedroom or a dedicated beauty area when you only need space for a few drinks or products.

How this product avoids the pitfall

Its compact format reduces the risk of buying more capacity than you need. However, it should be viewed as a compact personal appliance, not a family fridge.

Main advantage and key features

4 L capacity, with cooling and warming functions advertised for use at home, in the office or while travelling.

Recommended for : Premium enthusiasts
45 L TCL RF60DWE0FR mini fridge

45 L TCL RF60DWE0FR mini fridge

Why this choice suits this profile : This model combines versatile capacity, a toughened glass shelf and a spacious door shelf for large bottles, helping you keep the interior neatly organised.

How this product avoids the pitfall

Its dimensions of 44.9 × 48.5 × 51.2 cm and stated noise level of 40 dB make it easy to check how it will fit before installation.

Main advantage and key features

45 L, 3 L freezer, adjustable feet, mechanical control and toughened glass shelf.

Recommended for : Specific uses and intensive users
AstroAI 6 L portable mini fridge for 8 cans, cooling and warming

AstroAI 6 L portable mini fridge for 8 cans, cooling and warming

Why this choice suits this profile : Its 220–240 V and 12 V power options meet the needs of drivers, travellers and campers moving between home, the office and the car.

How this product avoids the pitfall

The listing specifies that it uses a thermoelectric system and has no freezing function. This helps you avoid using it incorrectly as a conventional fridge.

Main advantage and key features

Advertised capacity of 8 × 330 ml cans, cooling to 18–22 °C below ambient temperature and warming up to 66 °C.

Looking for more options ?

We have brought together a complete, real-time updated selection of products that meet these demanding selection criteria and European safety requirements.

45 L mini fridge FAQ

Is a 45 L mini fridge suitable for a bedroom?

Yes, provided you check its noise level, dimensions and the space required for ventilation. A model rated at 40 dB may be suitable for many rooms, as long as it is installed on a stable floor with sufficient clearance all around. After plugging it in, avoid filling it immediately: check the manufacturer’s recommendations in the instructions.

How much does it cost to run a compact small fridge?

The cost depends on its power consumption, energy class, selected setting and the price of electricity. The energy label and annual consumption provide a more useful basis for comparison than a simple promise of savings. A warm room, frequent door opening or inadequate ventilation can increase energy consumption.

Can you use a mini fridge when camping or in a car?

A portable appliance designed to run on 12 V direct current can be used in a compatible car, provided you follow the connection and safety instructions. A conventional 45 L mini fridge designed for a mains socket may not be suitable for use in a vehicle. When camping, also check its stability, ventilation and whether a compatible power supply is available.