We independently evaluate all of our recommendations. We may earn a small commission on some of the items you choose to buy.
In a world where energy conservation is becoming increasingly important, finding appliances that are both functional and energy-efficient is crucial. Mini fridges with freezers are no exception.
These compact appliances offer convenience without compromising on performance, making them a popular choice for dorm rooms, offices, and small living spaces.
Best energy-efficient mini fridges with freezer
1. Cookology Energy Efficient Mini Fridge With Freezer

This freestanding mini countertop fridge boasts 46 litres of capacity, a reversible door, adjustable temperature control, legs for stability, and a compact internal freezer.
Ideal for overflow storage or keeping snacks and drinks close by, it features one shelf and a door rack for organization. With a low noise level of 45 decibels, it operates quietly. Perfect for uni, offices, caravans, or games rooms.
❚K E Y F E A T U R E S
- Energy Class A+
- Compact and spacious
- Reversible door
- Adjustable temperature control
- Internal freezer included
- Quiet operation
- Versatile placement options
- Lightweight design
2. SIA Black Energy Efficient Mini Fridge With Internal Freezer

The compact internal freezer, with a 49-litre capacity in sleek black, offers versatile features for efficient storage. Its reversible door and adjustable legs ensure flexible placement in any space.
The six-setting temperature control allows precise cooling adjustments. With a recessed handle, this fridge is ideal for storing drinks effectively while maintaining a sleek appearance.
❚K E Y F E A T U R E S
- Energy Class A+
- 49-litre capacity
- Reversible door
- Adjustable legs
- Six-setting temperature control
- Recessed handle
- Compact size
3. SIA Mini Fridge With Compact Internal Freezer

Here’s another energy-efficient mini fridge from Sia; it comes with a compact internal freezer boasting a 4-star rating. With reversible doors and adjustable legs, it offers versatile placement options and stability.
The recessed handles ensure easy opening, while the 6-setting temperature controls allow precise adjustments. Perfect for small spaces or as an additional fridge, this appliance combines practicality with performance.
❚K E Y F E A T U R E S
- Energy Class A+
- 39 litres capacity
- 4-star rating
- Reversible doors
- Adjustable legs
- Six temperature settings
- Recessed handles
- 2 Years warranty
Understanding Mini Fridge Energy Efficiency
When it comes to energy efficiency, mini fridges vary depending on factors like size, design, and technology. One key aspect to consider is the energy consumption rating. Most mini fridges come with an energy label that indicates their energy efficiency class. This label typically ranges from A+++ (most efficient) to D (least efficient).
Modern mini fridges often incorporate features like improved insulation, LED lighting, and advanced compressor technology to reduce energy consumption. Additionally, some models include smart features such as temperature sensors and adaptive cooling, which optimise energy usage based on the fridge’s contents and ambient conditions.
Choosing a mini fridge with a higher energy efficiency rating can lead to long-term energy savings and reduced environmental impact.
How much energy does a typical energy-efficient mini fridge consume?
Energy-efficient mini fridges are designed to consume less electricity compared to traditional models. In the UK, these fridges typically consume around 50 to 100 kilowatt-hours (kWh) of energy per year. This means that over the course of one year, the fridge uses that amount of energy to operate.
To put it into perspective, 50 to 100 kWh is roughly equivalent to leaving a 100-watt light bulb turned on continuously for about 500 to 1000 hours. So, while mini fridges vary in their energy consumption depending on factors like size and features, energy-efficient models are designed to minimise their electricity usage, helping to save both energy and money on electricity bills.
How can I maximise the energy efficiency of my mini fridge?
To enhance the energy efficiency of your mini fridge, you can follow these steps:
-
Optimal Temperature Setting: Set your fridge to the recommended temperature, usually between 3°C and 5°C for the main compartment and -18°C for the freezer, if applicable. Avoid colder settings as they consume more energy.
-
Keep it Full: A well-stocked fridge retains cold temperatures better than an empty one. Fill empty spaces with containers of water to maintain consistent cooling.
-
Allow Air Circulation: Ensure there’s sufficient space around the fridge for air to circulate freely. Avoid placing it directly against walls or other appliances, as this can hinder airflow and reduce efficiency.
-
Regular Defrosting: If your mini fridge has a freezer compartment, regularly defrost it to prevent ice buildup. Ice buildup forces the compressor to work harder, increasing energy consumption.
-
Check Seals: Inspect the door seals regularly for any signs of wear or damage. Replace worn seals to prevent cold air from escaping and warm air from entering the fridge.
-
Location Matters: Place the fridge away from heat sources such as ovens, dishwashers, or direct sunlight. High temperatures can cause the fridge to work harder to maintain cool temperatures.
-
Clean the Coils: Dust and debris can accumulate on the fridge’s condenser coils, reducing its efficiency. Vacuum or brush the coils regularly to keep them clean and maintain optimal performance.