Skip to Content

What Size Generator Do I Need to Run a Freezer? (Explained)

Whenever you need to preserve foods for a couple of days in good condition or serve drinks to the guests chilled, the first thing that comes to your mind is a freezer. In today’s article, we will discuss what size generator you need to run a freezer. 

Generator size to run a freezer: 

Generators nowadays are considered a very essential power supply equipment if you need to keep your freezers running. Having a generator of 3000 watts will help you with enough power supply to run a freezer. It has the necessary starting watts and is known to be a popular generator.

Generators are considered one of the most essential power supply units that are required to run household appliances during a power surge or power outage.

Most people nowadays have a generator in their house to provide backup power supply to the essential household appliances.

Generally, due to natural disasters and power outages, you may need to have a generator that will provide a backup power supply to frequently used household appliances such as the freezer or the refrigerator.

There are many different types of generators available in the market based on the power supply requirements. In most cases, people tend to choose their preferred generator from portable or fixed generators.

Although, both types of generators can work efficiently and conveniently. In most cases, the generators are used to run a chest freezer or deep freezer.

To provide enough power supply as a backup, you may need to use a 3000 Watt generator that will be able to run the chest freezer and the freezers. They are quite popular and an ideal choice to work as a mid-sized generator.

In addition to that, it is very easy to figure out what size generator you will need to use to run a freezer.

In most cases, you need to check the wattage and get a generator that produces the same running wattage. There is a brief discussion on a few factors that are needed to determine to the size of a generator to run the freezer:

Amount of electricity usage of a freezer: 

Generally, there are a variety of freezers available in the market. You need to choose the right type of freezer based on your preference and demand. In most cases, the freezers used 365 kilowatts per hour of electricity every year.

This amount of electricity is 30.43 kWh per month, 1 kWh per day, and 0.042 kWh per hour, on average. Generally, freezers are a highly efficient and convenient type of household appliance that is available in most houses.

However, a freezer does not consume more than 1000 watts. Considering that, you can try using it with 3000 Watt generator for the backup power supply of your freezer.

Nowadays, the modern versions of the freezers have lower power consumption is than the older generations, which makes them more efficient to use.

In addition to that, due to the low power consumption, you can easily opt for the low power consuming generators that will provide you with maximum performance and efficiency.

You should always opt for the 3000 Watt generator to run the freezers. Using this size generator, you will also be able to run other household appliances as well. 

Factors that determine how much electricity a freezer uses:

Size: 

The most common factor that determines how much electricity a freezer will use is the size of the freezer.

Generally, if you opt for large-sized freezers, they will consume more power. Hence you will need a large size generator to run the refrigerator efficiently. 

Temperature setpoint: 

The temperature setpoint is considered one of the most vital factors that help to determine how much electricity a freezer will use.

Generally, the lower temperature your refrigerator or freezer has, the higher power-consuming your freezer will be. 

Type: 

Nowadays there are a variety of types of freezers available in the market. Most of the freezers come with modern technology or low-power-consuming freezers.

So, you can easily opt for a low power supply providing a generator to run the freezers. 

Usage: 

One of the greatest factors that will help you to determine how much electricity a freezer uses is its usage of it. Generally, in hot climate areas, the usage of refrigerators or freezers will always be at its peak.

That is why you should always consider usage as a factor when determining the size of a freezer and calculating how much electricity it will consume.

How to calculate what size generator you need?

When you consider calculating the generator for your household backup power supply, you need to follow some rules. There are a variety of generators available in the market that are used to power up essential household appliances.

If you do not use the right-sized generator to run the freezer, it will not be able to provide you with an adequate power supply.

That is why to determine and calculate the size of the generator it will need to multiply the total amps and supply voltage together, then divide them by 1000. This will help you to determine the full load in kilowatts.

However, it is ideal to keep a 25% reserve of the full load when choosing the generator. Following this technique will help you to determine the right size generator to run the refrigerator or freezer when you need a backup power supply.

In addition to that, having the reserve power supply system will help you to add other appliances if you need to run them in an emergency.

How long will these generators run a freezer?

When you consider buying a generator to run a freezer, you may notice that there are several types of generators available on the market, and each of them has a different wattage.

You always need to choose the right type of generator to run the freezer so that it can run the appliance efficiently.

Below is a brief discussion on a variety of generators that run on different 2wattages and discussed how long will this generator will be able to run a freezer: 

1000 watts: 

Generally, a 1000 Watts generator will be able to run a freezer for around 10 hours to 12 hours.

1200 watts: 

You can operate a 1200 watts generator to run a refrigerator or freezer for around 14 hours.

2000 watts: 

Although a 2000 watts generator is supposed to run a refrigerator for around 24 hours, depending on size, the freezer may be able to operate for around 22 hours.

3500 watts:

You can rely on using a 3500 watts generator to run a freezer for around 36 hours without any issue, but you should make sure that you do not open the freezer constantly.

What type of generator can power a freezer?

Generators are considered one of the most useful and essential power supply equipment that is found in almost every household.

If you are living in a disaster-prone area where you may face frequent power outages and power searches, you will need to have a generator that will be able to provide a power supply for the frequently used household appliances.

Generally, the freezer is considered one of the most essential kitchens and household appliances that is required to run seamlessly during summer and hot climate areas.

When you need to preserve foods for a longer time and keep the drinks chilled, a generator will help you to provide the backup power supply to run the refrigerator and the freezers.

This is very efficient and convenient for you to run the other appliances using a generator that can run a freezer.

There are several types of generators available in the market that can run different types of appliances. Below is a brief discussion on a few types of generators and discussed if they can power a freezer: 

Electric generator: 

During a severe power surge or power outage, you will need a generator that will be able to run essential household appliances such as the freezer.

You can try running the freezer using an electric generator that has a power output of 4000 watts.

Gas generator:

If the gas generator can provide you with the wattage that is required to run a freezer, you can rely on gas generators to run a freezer. The watt allowance should be higher than the utilization of your freezer. 

Portable solar generator: 

It is possible to use a solar generator to run a freezer, but the watts may not be sufficient to handle that depending on the quality of the solar generator. You will have to understand if the generator can run a freezer or not.

Final Thoughts

It is possible to use a generator to run a freezer. However, you should always choose the right type of generator. Generally, at 3000 watts generator will be able to provide a backup power supply to the freezer during a power surge or power outage and run the freezer with efficient performance.