First things first, what is an inverter AC after all?
I am sure this summer is really taking a toll on you people with the rising Celsius and dripping sweat. However, amidst all these adversities there are few people having the best time of the year while we struggle through our day.
Do you know who they are?
Yes, you guessed right. They are those AC or air conditioner manufacturing companies and sellers who are having a party time on our cash.
Anyways, what are we going to do read today? Any guesses.
Well! As its so obvious right from the heading, so fool of me asking about it when I already wrote that in the title
I am sure you know why you are here and therefore without wasting any of your time lets get into the discussion about Inverter AC. An inverter AC is same as a traditional air conditioner, which works with the help of a compressor. The only difference is, the way the compressor works which makes both of them distinct from each other.
In any cooling device be it a refrigerator or an air conditioner, compressor plays a very important part and it is also the main culprit for your high electricity bill. The compressor require electric energy to operate and thus more the compressor run, more energy is used and hence higher are the bills you have to pay.
This was the main reason why people always thought twice before buying an air conditioner in past. Nevertheless, now gone are those days and today we have 5-Star rating AC
and inverter AC
that can be very energy efficient and less heavy on your wallet.
There a question might arise in you mind, how does the inverter AC be so energy efficient while it has the same parts as any normal air conditioner?
Your doubt is very much justified as in all the Ads you only hear them saying it saves energy, but how? They don’t answer that. Let me explain to you in very simple terms without getting too technical on the functioning of an air conditioner. If you want some detailed explanation there are many good articles you can read. Anyways we are here to save money and be smart rather become engineers, right? So back to our discussion on how an inverter AC actually saves energy and in turn save our money on electricity bills?
To make things clear lets take a practical example of a traditional air conditioner. How the compressors of a traditional AC work? Well they work in a cycle; as soon as you switch on your AC, the compressor gets to work. It goes on working until the temperature you have set on the AC is reached. The compressor in the meantime uses a lot of power to compress and maintain the flow of cool air inside the room. Let’s say the room temperature is 30 degree Celsius and the temperature set on the AC is 25 degree Celsius, the compressor will go on working and using power until the temperature inside the room has reached 25 degree Celsius. As soon as the thermostats detect the room temperature to be 25 degree Celsius, the compressor stops to operate.
This cycle continues as long as the air conditioner runs, trying to keep the temperature close to 25 degree Celsius. Mostly a compressor will start its operation all over again when the temperature of the room gets above 27-28 degree Celsius, in this case where the set temperature is 25 degree. Each time the temperature rises by 2-3 degrees, the compressor will start over again and for that it would need energy to do so. What the inverter AC does different is, it never allows the compressor to actually stop. The compressor in a inverter AC keeps on running till the time the AC operates. So isn’t it consuming more power that way than the regular AC?
Absolutely No, here is why. In an inverter air conditioner the compressor runs on variable speeds, so when you power on an AC it doesn’t start off its full force as any regular AC. Have you noticed each time you switch on a regular AC you get a cool blast of air quite quickly and as the AC runs longer, you feel a little warm later. This is because in a regular AC, the compressor starts and stops, and when the compressor works on full power you get chilly air but as soon as set temperature is reached, it switches off and after sometime you feel warm. However, in an inverter AC you get constant cooling from the start until you switch off the AC.
The inverter technology drives the compressor at varied speeds based on the temperature inside the room and cooling need to bring down the temperature. As the compressor runs on varies speed and runs continuously it doesn’t use a lot of power all at once to make the compressor work really hard. It rather allows the compressor to take small amount of energy at continuous pace to keep the AC running and never allow the temperature to reach high. So that it does not require to cool over again from the beginning. This saves a lot of power consumption and hence saves a lot of money in the longer run.Then why shouldn’t you buy an inverter AC? Well! Below are the reasons:
These are the reasons why you don’t always need an inverter AC
I know I know, you all might be thinking why I said you don’t need an inverter AC when it saves a lot of energy and in turn a lot of money.Hold on for few moments, I will discuss all the 3 points in details that will make it clear why you don’t always need an inverter AC in every situation. No matter how appealing the ads and saving money look based on the ads, you need to be smart while investing in something that’s going to be there for quite a long time.
They are not Cheap
The initial cost of buying a decent inverter AC is quite higher compared to a normal AC. As the technology used in an inverter AC is advanced compared to the regular AC, the price tag is higher as compared to normal AC. Whenever you are investing in something that cost you over $1000 (Rs. 65000) you have to keep in mind that, will the cost be covered in the coming years of using the device. You must decide whether it is worth to spend such large amount upfront if the usability will be very limited.
It is not justified to spend a lot while you know you will not be using the AC quite frequently. Lets say you stay at home only for the night and you need an air conditioner
while you are sleeping, you do not need an inverter AC
for that. It would be enough for you to get a decent star rated AC
with lesser upfront cost. This takes us to the next point of discussion based on usage.
Hours of Usage
If you use your AC for only few hours, you do not require an inverter AC
. An inverter AC
is beneficial when it runs for quite a long time and need to provide constant cooling. If you are planning to use your AC mostly during the night for sleep, then I suggest you to go for a good star rated AC
. This would cost you quite less upfront when you go to purchase your next AC
. Why am suggesting you this? Mainly because at night the temperatures are comparatively low outside and thus you don’t require an AC to run for very long time to cool the room.
A regular AC would be enough as the outside temperature generally falls at night and hence the AC won’t need to operate for long to cool the room temperature. If you use your AC for around 6-8 hrs every day, then going for an inverter AC will do no good to savings. This is mainly due to the fact that, by the time the actually efficiency of the inverter AC comes in picture, your room can be cooled enough by a regular AC. For example, if the required temperature is 25 degrees, the inverter AC being slow at start will take 1 hrs to bring down the temperature, whereas the regular AC using full power will do that in, lets say 20 mins.
So which one is more efficient for small run? Surely, the regular AC as the compressor needs to do lesser task in cooling. If the running of AC is over 8 hrs an inverter AC is best suited as the power consumption would be less to maintain the optimum temperature in the room. Here the regular AC will fail, as over the longer course of time, it would need to start and stop the compressor quite a larger number of time. Whereas, the inverter AC would run on an optimum pace throughout and never use full power to start the compressor every now and then. However, the cooling process might be little slow but the steady process will make it worth reaching the optimum room temperature.
You have a small room
If the size of the room is less than 150-180sqft, an inverter AC will be, just another expensive investment you made that has no return. A small room doesn’t need a lot of cooling, as the air inside a small room can be cooled quickly and don’t require a constant flow of compressed air to maintain the temperature. An inverter AC is generally slow to cool at beginning, as the compressor never really uses full power so as to save energy. However, this can sometime be a cause of worry as a regular AC at full throttle can cool down a room faster and thus save power consumption as the AC stops as soon as the room is cooled.
For a room of this size it is advised to go for a 1.5 Tons AC
(Check for current 1.5 tons AC pricing) with decent rating for best value for your money and optimum cooling. As the inverter AC
comes with quite a high price tag, it is advisable if the room is small prefer and does not really heat up a lot a regular AC is enough with appropriate capacity. So, every time you plan to buy an AC
it is best advised to get expert opinion on the choice of the tonnage of the AC for best savings. A perfect tonnage AC
will cool the room faster and make it more efficient for you in long run.
Taking in consideration all of the above justifications, my verdict would be to go for a decent star rated AC
for example a 3 Star or 5 star AC
if its India where 5 star being the highest energy efficient rating by BEE, it can be different for your country, check with your local energy department for the exact ratings. Whereas for larger rooms and where the AC runs for longer than 6-8 hrs on daily basis, an inverter AC
would be the best investment considering long run advantage. Keep in mind, don’t get carried away by fancy ads that influence you to go for an inverter AC
unless you need the same and has the requirement to cover up the extra cost. If you are a casual user and have small room and if you chose an inverter AC
being influenced by the Ads or the sales guy in the shop, you will end up paying quite a lot of money with no so great return on the investment.
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