What Size Generator To Run 4 Ton AC Unit? (Ultimate Guide)

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Generators are assessed according to the various amount of electrical power such as KW.

Most of the time, AC holds more power than any other appliance in your home or office. So you need an appropriate generator to power your AC.

And if you have a 4-ton AC unit then this article is for you. Just take a look that what size generator you need to run a 4-ton AC unit.

What Size Generator Do I Want To Run A 4 Ton AC Unit?

To run a 4-ton AC unit without any electric appliance, then you need at least a 17 KW generator.

You can not run all the electrical appliances depending on an average size generator.

So you must use it for the most important thing at your home during the hot summer days, and that is an Air conditioner.

Here is a list of the sizes of generators for a 4-ton AC unit.

Capacity	Size of Generator
Minimum	15 KW
Average	17 KW
Large	20 KW

Recommended generator brand to run 4 ton ac unit:

What Types Of Generator Do I Need For A 40-Ton AC Unit?

What Size Generator To Run 4 Ton AC Unit? (Ultimate Guide)

Though there are three types of generators available, an Inverter generator is best for AC.

But nowadays Standby generators becomes more popular for their latest technology. Let’s see how they differ from each other.

Portable Generator

A portable generator is run by gas or fuel. In case of power loss, your portable generator can provide emergency power backup.

Some portable generator comes up with CO-reduced technology.

It is best for powering small appliances but if you want to run a central AC then you will need a large watt portable generator.

Inverter Generator

An Inverter generator powered by an engine converting the AC power into DC power.

It keeps a constant circulation of current to an appliance.

And that is how it is an ultimate option for AC units. It is also the quietest generator of the others.

Standby Generator

A standby generator comes with an automatic operating system which is totally an electrical system.

It automatically runs when there is an emergency power loss. It has an automatic power switch that senses power loss.

Surely, an easy and automatic generator like a standby generator might be anyone’s first choice.

What To Look For When Buying The Best Size Generator For A 4-Ton AC Unit?

Buying a generator is not an easy thing. There are many things to look for.

First of all with the power of a generator and what equipment is necessary for your generator while running a 4-to AC unit.

When you are buying a generator, you may look at these things on a generator.

Power

All you need to know about is the maximum and rated power which refers output system of a generator.

When maximum power refers to output that can last up to 30 minutes, rated power goes through for a long period of time.

That is why rated power is more important than maximum power.

Performance

Know how much your generator handles a load of your AC unit when a sudden spike in voltage hits.

And also see how long it runs and how easy it runs while emergency power backup is needed.

You must know the engine’s quality before buying a generator for your AC as well as its functions.

Back up

Definitely, you would like to choose such a generator which automatically starts when there is a necessity of power back up.

A standby generator functions like that. It has an automatic switching system.

There are also such types of generators available which you have to start on your own. In this modern world, you will surely go for the automatic one.

Safety

Nowadays producing CO poisoning is a big issue for the world in case of global warming.

There are many new features that come to the market which reduce the risk of CO poisoning.

Many portable generators also come with these new features. Before buying make sure that how much your generator reduces or prevents CO.

Noise Level

Generators usually produce loud sounds. Large generators produce more noise than smaller ones.

An inverter generator, sizing 14-20 KW might produce roughly more noise than any other generator.

There are some new features of generators that come to market which produce lower noise.

FAQs About The Right Size Generator For 4-Ton AC Unit

How Long Does A Generator Run For A 4-Ton AC Unit?

Ans: A 4-ton AC causes 14000W of electricity. How long will a generator run, will depend on the variety of the generators.

There is no specification about this issue. Most of the generators can run for 24 hours while some can 48-72 hours long. It depends on the quality of its engine.

How Long Will A Generator Last For A 40-Ton AC Unit?

Ans: Generally a generator can last for 30-40 years depending on your usage.

Because if you continuously run it without any maintenance it can last less than 30 years.

That is why maintenance is very important not only for generators but also for any other machinery.

Can I Clean My Generator For A 4-Ton AC Unit Using My Hand?

Ans: Yes, you can easily clean your generator using your hand. You can use non-flaming cloths to wipe away the dust.

You can use small brushes like toothbrushes to clean narrow lines. Also, you can use an air compressor to clean the generator.

Are Generators Costly For A 4-Ton AC Unit?

Ans: Generally speaking, generators are a little expensive. Generators’ prices vary with their sizes, types, and brands.

If you are looking for a good quality generator then it will definitely cost. If your budget matches your goals then go for it.

The Bottom Lines

Generators are most important for a 4-ton AC unit. Not every generator is able to run AC units. Your generator has to be powerful enough for a startup otherwise it will not able to run a 4-ton AC. You must go for the right size generator for your 4-ton AC unit.