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Categories Air Conditioning

Inverter vs Non-Inverter Air Conditioner: Which is Better?

comparing inverter AC
Shopping for an air conditioning unit may seem like an easy task. Just pick one of the brands that you trust and a product that fits your budget, right? Unfortunately, it is not that simple. You have many things to consider aside from the brand name and the cost. You should also think about the layout of your house or room, your cooling and heating needs, and which type of AC suits you best.

One of the biggest questions of buyers is whether to choose an inverter aircon or the non-inverter variant. To make the choice, you need to have the very best information possible.

This blog post will help you understand what these types of air conditioning units are, their dissimilarities, and their pros and cons. With these facts, you can choose the better option for you and your home.

What is an Inverter Aircon?


Air conditioners were once considered a luxury item, and therefore, only wealthy families could have them. Time has passed and technology has changed making air conditioners became more affordable. They are now more energy-efficient, so almost anyone can buy this household staple today. With the AC units, homes, offices, hospitals, and other places feel more comfortable.

Now, let us talk about inverter aircon units. The inverter system is a technology created to get rid of temperature oscillations. Years back, electricity waste was a serious problem. Manufacturers realised that there was a need to fix it and turned to the inverter system technology. It is an improved version of the advancements during that time.

Inverters use adjustable speed, which helps control the compressor of the equipment. This way, it can provide the best performance to the user.

Inverter systems work by starting at low speed. Therefore, it is using much less power at startup, before slowly increasing until it reaches maximum capacity. Homes do not need to wait for a long time to achieve their desired temperature. Cooling is practical as well since the temperature levels can now be retained. Losses are prevented, and the user enjoys a more even temperature.

What is a Non-Inverter Aircon?


The standard air conditioning units are often categorised as non-inverters. The systems possess a lower energy-efficient rating. It may not be easy to distinguish one from the other, however, most reputable brands identify a product as an inverter system.

Non-inverters were more affordable, and can still be found in many homes because this was all that was available 20 years ago.

Main Differences between an Inverter and Non-Inverter AC


It is not always easy to figure out if you have an inverter or non-inverter air conditioner. At first glance, these two types do look similar. However, the reality is that they are distinctive from each other in different ways, including their functionality and process. They also come with their built-in features, so you may want to know the dissimilarities before buying.

Perhaps the most significant difference between these two types of AC is their compressor.

In a regular AC, the compressor can go on and off. When powered on, it means that this part of the system runs at full capacity. Therefore, it also consumes a lot of electric power. Once the thermostat achieves the set temperature requirement, the compressor will stop working.

The technology also differs. Generally, inverters change the type of power used, which is from alternating current (AC) to direct current (DC) and vice versa. In the world of air conditioners, inverters handle the power supply frequency of the motor. They adjust how the units cool or heat.

There is a variable speed compressor in an inverter AC, which means it is a multi-speed type. Meanwhile, a non-inverter only has one speed, which is fixed at all times. The principle with this product is “all or nothing.” Therefore, it switches on or off whenever required.

acsis inverter air conditioning

Pros and Cons of an Inverter Air Conditioner


One of the best ways to compare these two types of AC units is to check their pros and cons. For an inverter aircon, you can enjoy the following benefits:

  • An inverter air conditioner is guaranteed to be energy-efficient. As mentioned above, the compressor slows down and speeds up to maintain the desired temperature. In some cases, the unit’s compressor does not function at its full power. This control gives it the capability to work at variable speeds, which in turn allows the system to be more energy-efficient.

  • Since it is not power-hungry, an inverter air conditioner is quieter on startup – especially if you compare it with a non-inverter AC. The thermostat controls how it proceeds by using the room temperature as its guide. Instead of turning on or off abruptly, you will not hear loud humming sounds when it starts and stops. These noises are often the chief complaints of those with non-inverter ACs. Additionally, this controlled process lets the inverter unit use less energy compared to a non-inverter.

  • An inverter air conditioner is a good investment. Yes, it is more expensive, but it is more durable, flexible, and functional. You want an AC that will last for several years. This air conditioner type can provide such an advantage to you in terms of energy consumption.

  • Faster cooling is yet another benefit that you can get from an inverter-type AC. Since it can run at its rated capacity, the room cools more rapidly.


Although the advantages are great, an inverter AC is not perfect. It comes with a few flaws as well, including:



    • It is an expensive type of air conditioner. One reason behind its high price is the use of more advanced technology. Additionally, they are costlier when a professional provides installation services. The parts are also pricey when they need a replacement.

    • It is a relatively new technology system. If you need to have the unit repaired, you should first ensure that the person is skilled and qualified for the job.




Weigh the advantages and disadvantages carefully to know if an inverter air conditioner fits your requirements, budget, and house plan.

Pros and Cons of a Non-Inverter Air Conditioner


Let us move on to a non-inverter air conditioner. If you have an AC that switches off when the room reaches temperature, it is a non-inverter unit. Meanwhile, if you are still on the market for an aircon, you may be wondering why you should pick this type. Here are the benefits that you can get if you choose a non-inverter AC:





      • This type of air conditioner is cheap! It is more affordable than an inverter, which is why it is a consideration for homeowners.

      • For Australians who have limited income, a non-inverter aircon is the cheaper option over the inverter variant.






Just like an inverter AC, a non-inverter type also has some cons. Some of these disadvantages include:





      • Expect this aircon to be noisier. While many users applaud inverter air conditioners because they are quieter, a non-inverter is the opposite. The noise comes from the fact that non-inverters were built to switch on and off each time they reach the set temperature level. Some homeowners get annoyed with the sound, especially those who are trying to sleep at night or are working.

      • Perhaps one of the biggest things that you can complain about this type of AC is that it can die quickly. Its shorter lifespan is a major turn-off to its potential buyers. People these days have become more interested in ensuring that the product will last them for several years. If it continues to degrade in performance, it is not a good investment to make.

      • Unfortunately, non-inverters have a shorter life. Because of the constant switching from on to off and vice versa, its lifespan suffers. It causes a lot of wear and tear, so the system can give up quicker than expected.

      • Electricity bills can go up. It is a higher power-consuming unit that will just shock you when your bill arrives. Continuously or daily use of a non-inverter aircon will only cause your electric charges to skyrocket in the next several months.






You may want to talk to your professional installer first to get a grasp on how you can save money when running a non-inverter aircon.

Which is the Better Choice?


Without a doubt, choosing between an inverter and non-inverter AC can be challenging. You need to consider several factors. We have already outlined the pros and cons of both units above. However, for some consumers, knowing the advantages and disadvantages is not enough.

Let us dig further, so you make the correct choice in the end:





      1. Compressor Comparison

        Inverter air conditioners change the rotation speed of their compressors. The benefit of this capability is that it provides a better and accurate way of maintaining the temperature. Therefore, having an inverter air conditioner is like owning an intelligent unit. Cooling stays in the room efficiently without needing to keep the AC running in full power.

        In this area, the inverter AC clearly wins.

      2. Efficiency

        Inverter AC units have controlled compressor speed. At the same time, their speed can change when required. They are the better choice when you want a unit that can help you save your electricity consumption.

        Inverters help in limiting your energy consumption because of how their compressor works. Therefore, it is easy to see why an inverter unit trumps the non-inverter variant.

        The process of non-inverters can result in excessive use of energy. You usually end up with unnecessary expenses that you have to pay every billing month. Also, because of the energy-efficiency of inverter units, they are regarded as the eco-friendly choice. They can lessen your energy use by up to 46 per cent compared to the non-inverter air conditioner.

      3. Performance

        Inverter aircon units are more versatile, thanks to their compressor system. They will function based on the settings for the room and the thermostat. They adjust their processes based on the current temperature in the room. With this versatility, you can conclude that inverter AC units are the winners in performance.

        On the other hand, a non-inverter aircon will do a fine job but will operate on a fixed level. When it comes to the cooling power, the inverter air conditioners once again win. It does not mean though that a non-inverter AC cannot cool the room efficiently. It functions the way it should, which is why you should consider other factors, too, before you decide.

      4. Cost

        The three previous areas above show that inverter air conditioners rule over non-inverter types. However, the value of the systems is another story. Non-inverters are much cheaper, which is why some homes choose them. They do what they are supposed to do. Although they can be noisy and inefficient in saving energy, they perform adequately in cooling any space.

        If you are looking for a reason not to purchase an inverter air conditioner, the cost may be the answer. Those with limited budgets may choose a non-inverter because of the initial price of an inverter air conditioner.

        Still, you may want to consider an inverter aircon as an investment. Sure, it costs more at first, but it will help you save in the end. The unit will pay for itself in the long run, unlike with a non-inverter, which uses more energy.






inverter ac remote

So, which is the better choice? You can already tell that inverter air conditioning units are the smarter option.

At the end of the day, the goal is to keep everyone in your home cool and comfy. Both an inverter and non-inverter air conditioner can provide this benefit for you. Amid the heat in Perth, you want a system that you can rely on. While both are useful, it is always better to take advantage of a more advanced unit.

An inverter air conditioner comes with the latest technology. Plus, if you consider the four criteria above, you can see that this type of AC system is better. Most Perth residents will keep using their air conditioner in the summer and outside this season. Think about how frequently you will use the unit, as well as the temperature level that you will primarily set.

When it comes to reliability and better investment choice, you know that an inverter AC is for you. However, a non-inverter aircon is also available. If you do not need to utilise the unit every day or for several hours daily, this type may be a good option. You may not mind the increase in the electric bill so that non-inverters can be a choice as well.

Although the initial cost of the unit may be an issue for you, it is wise to think about other factors that affect the price. Since the inverter type is more durable and can last longer, it may still be the more cost-effective option. Non-inverters can have a shorter lifespan even if you do not intend to run them regularly. They are not built to last mostly because of their out-dated technology. If you want to make sure you get what you pay for, always choose a good brand with comprehensive warranty offers.

No matter what your choice may be, you can depend on ACSIS Air to help you with any relevant aircon advice. We also install and provide maintenance services. For more information, contact us, and we can schedule a visit from our expert technicians.
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