Best Mini Fridge for Fermentation Chamber

Best mini fridge for fermentation chamber

Fermentation is a complex process, it requires many factors, especially whether the temperature is appropriate or not. Therefore, any change in ambient or temperature can affect the final flavor of the fermented product.

Some places are endowed with a stable climate, suitable and favorable for fermentation, so the people here just need to put the fermentation tank in a light, airtight place for the yeast to grow well. However, in some places this is not the case.

For some people, choosing a suitable medium for yeast growth can be difficult. Therefore, they will be happy to know that they will have a great variety of options to choose from when converting a mini fridge into a fermentation chamber. So what are the best mini fridges for fermentation chamber? how to convert a mini fridge into a fermentation chamber? Please read the following article.

Fermentation and the most favorable temperature for fermentation

Fermentation is the process of increasing the mass of microorganisms inoculated directly into food. Thereby promoting the metabolism inside the product to convert sugar into products such as acids, gases or alcohol.

Fermentation in Latin means ripening. They are also known as life without air, since most of the microorganisms involved in this process “grow” under anaerobic or aerobic conditions.

Temperature is an important factor that determines the final result of fermentation. Each different type of fermentation will have a certain appropriate temperature. Specifically:

  • The ideal temperature for fermenting vegetables is between 68 and 72 degrees F
  • The best temperature for beer fermentation is between 60 and 75 degrees F

If the temperature rises above this, the resulting fermentation product will be spoiled.

Products converted from refrigerators are suitable for fermentation
Products converted from refrigerators are suitable for fermentation

Things to ensure before converting a mini fridge into a fermentation chamber

Because of the sensitivity to the surrounding environment of the fermentation process, we need to be careful in the process of researching and choosing an appropriate mini fridge. Reaching perfection can seem difficult, but there are a few things you can keep in mind to help you make the best choice.

1. How is the fridge’s power consumption?

Fermentation in the refrigerator requires you to maintain a constant temperature throughout the fermentation, so you must keep the refrigerator running continuously without interruption. This will result in a rather high amount of electricity consumption.

Pay attention to choosing a mini fridge with a structure that offers reduced power consumption. When you pay your electric bill, you will see that this is the right decision.

2. What is the mini fridge size?

There are many types of mini refrigerators on the market today. Consider your needs to choose a mini fridge of the right size. Pay special attention to the number of fermentation containers you want to use, do not let the space inside the mini fridge be too small.

You should use a ruler to measure carefully and write down each item so that you can make the right choice and not regret it. Because if the conversion is not suitable, it will waste time and effort without achieving the desired effect.

3. Where is the compressor?

It is recommended that you choose mini refrigerators with a compressor located below the device. It would be better if it had a rectangular shape.

This gives you more space when placing the additional fermented boxes and vats.

Choosing an energy-saving mini fridge will save you a lot of money
Choosing an energy-saving mini fridge will save you a lot of money

4 steps to convert a mini fridge into a fermentation chamber

Once you’ve chosen the right mini fridge for home fermentation, you can take the following steps to convert it.

The detailed implementation process is:

Step 1: Cleaning the mini fridge

The cleaning step is an important step for the transition, it will take you hours and hours. Please wash thoroughly and thoroughly.

Further reading:  RCA vs. Black+Decker Mini Fridge: Which One Should You Choose?

It is recommended that you remove the refrigerator door for easier cleaning. Then you can reassemble.

Door seals are often the hardest part to keep clean. If you choose to buy back an old cabinet, you should pay attention to this part because it is often moldy.

Step 2: Assembling the temperature sensor in the refrigerator

The temperature sensor helps us to measure the temperature inside the mini fridge and the display allows the user to know the exact current temperature.

There are many types of temperature sensors on the market, you can choose the one that suits your needs and economic conditions.

The temperature sensor helps you monitor the temperature inside the refrigerator
The temperature sensor helps you monitor the temperature inside the refrigerator

Step 3: Installing the cables

There are many ways to install cables inside the refrigerator. You can choose any option, but the easiest way is to put the cable through the cabinet door.

Buy a cable with a flat edge to make installation easier. You can use the path of the cable connecting the bulb and the thermostat. If the fridge has a hole for prevent condensation of the refrigerator, you can use this hole to get the cables inside and connect them.

Step 4: Controlling the compressor

Compressor control is the final step.

All thermostats have a unit to monitor the temperature. This unit connects and disconnects power to the compressor. When the temperature gets too high, the thermostat connects directly to the compressor.

Have you noticed their relationship yet? The temperature acts on the thermostat and the thermostat controls the function of the compressor.

Best mini fridges for fermentation chamber

1. Danby DAR044A4BDD-6

Dimensions:         20.16 x 20.16 x 33.16 inches

Weight:                 64.7 pounds

Capacity:              4.4 Cubic Feet

Voltage:                115 Volts

Wattage:               115

Key features:

  • Compact design
  • With wired shelves
  • Scratch-proof worktop
  • Mechanical thermostat
  • Convenient door swing is reversible
  • Unit shelves for maximizing space

This Danby DAR044A4BDD-6 model has enough space to store food or stuff according to your needs. Moreover, the compact design ensures it to be placed anywhere and serves a variety of purposes.


  • Versatile
  • Interior light
  • Energy Star compliant
  • Environmental-friendly (with R600a refrigerant)


  • Expensive compared to the other mini fridges

You may also like: Is Danby a Good Brand for Mini Fridges and Freezers?

2. NewAir 126 Can Beverage Fridge

Dimensions:         18.6 x 18.5 x 33.3 inches

Weight:                 63 pounds

Capacity:              3.4 Cubic Feet

Voltage:                110 Volts

Wattage:               85

Key features:

  • Unique design
  • Stylish finishing
  • LED lighting inside
  • Powerful compressor cooling
  • Durable stainless-steel doors
  • Temperature can go down to 34 degrees F

If you are looking for mini fridge for fermentation, this NewAir 126 Fridge is one the options to consider. Its energy consumption is about 260 Kilowatt hours per year. Besides, the double-pane glass door can keep the cold air inside the fridge stable and ensures that there is excellent insulation.

In addition, with seven settings in the thermostat, maintain the desired cooling temperature as you wish. It also has 5 chrome racks that can easily be removed to make bigger or smaller space according to your needs.


  • Operate quietly
  • Compact design
  • Can be placed indoors and outdoors


  • Only one adjustable foot

3. Magic Chef MCBR440B2

Dimensions:                   17.5 x 18.7 x 33.4 inches

Capacity:                        4.4 Cubic Feet

Door Hinges:                 Reversible

Shelf Type:                    Wire

This Magic Chef MCBR440B2 model has a storage space of 4.4 cubic feet and the adjustable temperature control that allows you to set the perfect temperature.

The traveling legs make it to be sturdy. Besides, the shelves can be adjusted, and you can make space according to your purposes.


  • Compact size
  • Ample storage
  • Adjustable temperature control
  • Can be placed indoors and outdoors


The bottom line

Above is how to convert a mini fridge into a fermentation chamber. Especially you need to pay attention to the stage of choosing a refrigerator and step by step of conversion to get the desired results.

Also, the 3 recommended styles of mini fridges can be considered for converting into a fermentation chamber.


1. Converting a fridge for fermenting beer,, Retrieved on Nov. 19, 2021

2. Guide to Mini Fridge for Fermentation Chamber,, Retrieved on Nov. 16, 2021

Jenny Brown
Hi, I’m Jenny. On my blog, you will find helpful advice about using and organizing the kitchen appliances. You will also receive the recommendations on choosing a compact refrigerator or freezer that best fits your demands. Besides, frozen meals from the freezer bring many incredible benefits because they ensure freshness, deliciousness, and full nutrients. Many helpful tips from experts on frozen meals will also be found.