What size generator do i need to run a refrigerator?

With the demand for power increases, the need for more generators is also increasing. In order to meet this demand, companies and individuals must look for the right type of generator that will be able …

what size generator do i need to run a refrigerator

With the demand for power increases, the need for more generators is also increasing. In order to meet this demand, companies and individuals must look for the right type of generator that will be able to run the appliances they need. In this article, the author describes how different generators are sized, what types of appliances they have been known to run successfully and which size generator would likely be best for a specific use.

Also Read:Can you run a portable generator in a shed?

What Size Generator Do I Need To Run A Refrigerator

If you are looking for a generator to run your refrigerator, the size of the generator will determine the wattage and RPM of the unit. The wattage is how powerful the generator is and determines how long it will last. The rpm is how many times per minute the generator turns which affects how quickly the appliance will be powered. A lower wattage Generator won’t have as many rpm’s so it may take longer to power an appliance.

The most common size generators used to run refrigerators are 10,000 watts and 12,000 watts. For example, if you have a 15,000 watt refrigerator you would need a 20,000 watt generator or a 25,000 watt generator.

Running And Starting Watts Of Refrigerators/Freezers

Running Watts Of Refrigerators/Freezers

There are a few things to consider when figuring out how many watts your refrigerator or freezer will require. The size of the unit, the type of power it uses (regular AC, propane, or solar), and the frequency of the power supply all affect how many watts your generator must provide.

The wattage required by most refrigerators and freezers ranges from around 150 to 300 watts. Most generators should be able to provide this amount of power with no problems. If you’re using a solar panel to power your refrigerator or freezer, make sure you factor in the additional wattage needed for that system too.

If you’re running a regular AC outlet, a 1500 watt generator should be sufficient. If you’re using propane or solar, increase the wattage to at least 2500 watts or more. Keep in mind that if you’re using solar panels, the wattage requirements will also increase because of the added voltage needed for that system.

Most generators have an automatic shutoff feature if the load exceeds a certain limit. Make sure you know what that limit is for your particular unit before starting up your generator.

Also Read:What Happens When You Overload a Generator: Overload causes

How to Choose the Right Size

When choosing a generator size to run your refrigerator, keep in mind the wattage and capacity requirements of your appliance.

The wattage requirement for most appliances is around 100 watts. A generator that can produce at least this amount of power will be enough to run most refrigerators.

The capacity requirement for most appliances is around 1,000 watts. Anything over this will allow you to run more appliances at once, but it’s important to remember that the higher the wattage, the longer your generator will last before needing a recharge.

If you’re not sure what wattage or capacity your appliance uses, look it up online or call the manufacturer.

There are a few things you’ll need to consider when choosing the right size generator for your refrigerator. The wattage of the generator, the type of refrigerant it uses, and the size of the refrigerator will all play a role in choosing the correct generator size.

Wattage: You’ll want to make sure your generator has enough power to run your refrigerator. The wattage is measured in watts and will be listed on the generator’s label or specifications.

Type of Refrigerant: Some generators use R-134a, which is most commonly used in standard residential refrigerators. Other generators use R-12 or R-22, which are more popular in large commercial refrigerators. Make sure you know which type of refrigerant your appliance uses before purchasing a generator.

Size of Refrigerator: You’ll also need to determine the size of the refrigerator that will be compatible with your chosen generator. Some models have Multiple Compartment Units (MCUs) that can accommodate larger sizes; others have single compartment units (SCUs) that are typically smaller. Check your manufacturer’s website or call customer support for assistance in finding a compatible model.

Can I run a refrigerator and freezer on a generator?

Running a refrigerator and freezer on a generator is not recommended. This combination can be dangerous because the generator could start up and cause the appliances to run at full speed, which could cause them to break or worse.

You should also consider the size of the generator you need to power these devices. A small, portable generator may be able to power a refrigerator and freezer, but a larger generator might be necessary if you have a larger refrigerator or freezer.

Does it have an ice maker & dispenser?

It depends on the refrigerator’s model, but most have an ice maker and dispenser. If your refrigerator doesn’t have an ice maker, you can buy an ice maker attachment to add to it.

Are you going to run other appliances at the same time?

Running other appliances at the same time as a generator can be a challenge. The following is a list of what you can and cannot run at the same time as a generator:

You can run other appliances if they are electric and have an input rating of fewer than 50 amps. If your appliance has an output rating of more than 50 amps, then you will need to find an isolation transformer to connect it to the generator.

Some examples of appliances that you can run while using a generator are microwaves, stereos, TVs, computers, and lamps. However, it is important to note that some of these appliances may not work well with generators because their motors produce high levels of electricity.

what size generator do i need to run a refrigerator

How to power refrigerator with generator?

In order to power a refrigerator using a generator, you first need to know where the power switch is located on the refrigerator.

This can vary from model to model but in general, it is near the top left hand side of the door. Once you find the switch, turn it on by pressing down on the button until it lights up green.

Next, connect the wires from the generator to the refrigerator. If you don’t have any extension cords then you can always purchase one at Home Depot or Lowes.

Also Read:Propane vs diesel generator: Which one is best for you

How many watts to run a refrigerator on a generator?

Once you have connected the wires from the generator, you should now be ready to test the connection. Turn the generator on and see if the light on the refrigerator comes on. This means that the refrigerator has power and is working properly. You can also check the temperature inside the fridge by opening the door and checking the temperature gauge. If everything looks good, you’re all set!

You can now plug the refrigerator into the wall outlet and enjoy the convenience of having electricity when needed.

What size generator do I need to run a refrigerator and TV?

When running multiple appliances such as a refrigerator and television, you’ll want to make sure that the generator you choose can handle the load. If you plan on powering two appliances simultaneously, you’ll want to consider purchasing a larger generator than if you were only going to use one appliance.

For example, if you wanted to run a refrigerator and a television you’d want to get a generator that could, you’d probably want to get a generator that was rated at least 16,000 watts. This way, you could easily power both appliances without worrying about overloading the generator.

Also Read:Can you run a propane generator on natural gas? Complete Guide


It can be tough to know what size generator to buy for your refrigerator. Luckily, our team here at GeneratorGuys is here to help! We have put together a list of the most popular generators for running refrigerators, so finding the right one shouldn’t be too difficult.

Just take into account the wattage needed and make sure you are buying the right type of generator – we have models that run on diesel, natural gas, and electricity. So whether you need a small generator for your home office or a large one that will run your whole house, our selection should have what you are looking for!




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