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What size of generator to run for an air conditioner- ultimate guide by expert

what generator size to run an AC
Choose Generator Size for AC (2)

When you think of buying a generator, the first thing that comes to mind when you think about what size of generator to run an AC? However, not all generators are made the same. Some models can run limited appliances while some an entire house. It makes you wonder what size generator to run ac? How do you go about selecting the model suited to your needs?


We have been there and done that for you, so we will present here how to make this decision with ease. Here’s our guide on how to decide on the right generator that will enable your air conditioners to run smoothly.


Guide on how to find the right size of generator needed


Step 1: Determine the power required for an appliance. Appliances are rated by the number of watts they require to operate. You have to have a list of each device you want to use your generator for and find out how much power it uses from the manual.


Step 2: Add up all the wattage requirements of appliances you want to use. Make sure you add the amounts for all appliances at a time, then subtract 150 from that number. This is the amount of wattage needed for lights and fans; you need not consider them in determining the capacity your generator needs to be.


Step 3: Find out what voltage your generator should produce to match up with the voltage of the appliances to be powered by it. Some appliances will require generators that produce pre-determined volts and others will not give any requirements at all. So, if your device needs 110V, you should get a generator that produces 120V; to make sure the appliance gets power from the generator as well as coming up from the wall outlet. 


Visit generatorszone to know more about the right generator size to run an AC.


 Finding power details for your generator

When it comes to using an average home’s AC wattage, there are many different options available depending on your particular situation and preferences. For example, you might choose to use a generator that runs on gas because you have the ability to put gas in it and a generator that runs on gas is more efficient than a generator that runs on diesel.


  1. Average AC Wattage by Room Size and Model


Air conditioners are similar to space heaters because they take the same amount of power to do work. The average AC wattage is anywhere from 2,000 watts to 7,000 watts.

An average air conditioning unit uses about 4,500 watts. Low profile units need about 3,000 watts.

The average home can cool down with a 3-ton unit. The average air conditioning unit covers a space of 1,000 square feet.

A 1 ton AC can cool 100 to 150 square meters or 110 to 160 square yards.

In the average home, the average air conditioner wattage is 5,000 watts. But other average sized homes average 4,000 watts. The average number of ACs is two-to-three.


  1. Consider Outside Temperature

When you start your generator, consider the outside temperature. When it’s hot outside, for example around 90 degrees Fahrenheit (32 degrees Celsius), the generator will produce less power. This means that when you try to run your air conditioning unit on generator power, it will not be powerful enough to get started. Once an AC is running it usually requires less power, but the generator will be producing a lower energy rating because of the high temperature.

The generator’s output is usually steady and measured to be 35C outdoors and 27C indoors with 50% humidity. It’s enough to run your generator, but it’s best to consider climate conditions before using generator power for cooling.

As for generator start up, the generator should be able to produce 20% more power than needed. This will protect against possible surges during powering up.

The generator’s output is usually steady and measured to be 35C outdoors and 27C indoors with 50% humidity. It’s enough to run your generator, but it’s best to consider.


Selecting A Generator For Your Home Or Business and Maintain Safety And Reliability

In today’s world of power failures, generators have become a necessity.

Generator size for an AC offers a number of benefits that can help you to save money and increase generator durability at the same time.

Let us understand why generator size influences generator enduringness.

It basically boils down to how much load is being placed on the generator – more generator load means the generator will have more work to do.


The generator has to be able to cope with the maximum current required by an AC for its operation.

If the generator does not match the power system requirements, we get a common case of generator overload followed by generator failure and subsequent damage to the electrical appliances it is powering too.


Final Words

Choosing the right generator can be tricky. Generators vary widely in size, power and fuel source. 


You have to consider a lot of factors before you buy one, including the size of your house, how many appliances you plan to run on it and what kind of fuel it uses. And that’s just for starters! 


We are here to help with this article about choosing the best generator for air conditioners or any other appliance. Here are several things you need to know when buying a generator so that you will get exactly what you want without breaking your budget or causing problems later on down the road.