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Split AC vs Window AC

For those who are new at buying an air conditioner or even for gaining knowledge for this product, they face lots of issues as we try to gain knowledge from various sources and no one answers led us for taking a firm decisions.

Buying an air conditioner is a several step procedure and if these are not followed rightly, can end up in buying wrong type or wrong model for yourself. Please note that when we buy an air conditioner, we expect it to work for a decade at least and there’s nothing wrong in that. Hence choosing the right product is a mandatory thing for you.

Which Air Conditioner to buy? Window or Split?

Look inside your Home for Space

Window and Split and two entire differently sized products and we need to take care of this at utmost importance that whether we can install a window AC at home or the split one.

A split conditioner is divided into two separate units where compressor and condenser is the part of an external unit ODU (Outdoor Unit) whereas the internal unit has the evaporative part which we may call as IDU (Indoor Unit).

While on the other side, a window conditioner has all (condenser, compressor, expansion valve and all other components built) into one cuboid shaped unit.

Hence when we talk about space, a Split AC shall require more space technically when compared with window AC, however practically both has its own importance. Which point we need to take here is of the outer unit or placement of compressor unit outside home. People who live in a flat usually has a hard time finding a big opening for window AC and then choosing a Split AC is the only option left to them.

No matter whether you choose Window or Split, you must know that outer end of both types require proper air ventilation. If you’ll install outer unit in a “not so ventilated” space, you’ll find your AC struggling to provide you effective cooling.

In most cases, for those who has space for window AC can install split AC easily. The biggest benefit of having split AC is you can install its outer unit to any distance you want for providing it with air ventilation. Whereas with window AC you’re restricted to install at places like window or at that end of room where at back proper ventilation is available. Hence, in many cases, where people are inclined to buy window AC end up installing their air conditioners at wrong location in room where it may also ruin the look of the interior too.

And with split AC, you can install it at any location of your room as per your convenience or as per your interior design. All you need to take care of connecting piping which can be easily hided behind the walls or by covering it any means which may not even ruin your interior design of room.

Ease of Installation

Split AC’s only require a 3″ hole to connect IDU to ODU for passing through required piping and that hole is hidden behind IDU. Hence the whole work is done beautifully whereas in case of window AC, it requires a bigger opening than the AC itself to fit whole AC into it for supporting purpose. And in case if you live in a house on rent, you probably can’t convince your landlord for doing so. Whereas with split AC, things get easy.

The biggest advantage of having a Split AC is that you can install its IDU any far within limit mentioned by company. However those limits are quiet good and there isn’t anything to be worry of.

Do not afford to ruin your Baby Sleep or Even Yours!

Window AC’s are not silent. They do make noise as it has all noisy components fitted into one cuboid. So if you’re like a person who need silence for sleeping or if you’re worried for your baby sleep, prefer to buy a Split AC. Split AC has all noisy components installed in ODU which is far to disturb your Sleep in any way. And even the IDU of split AC are usually silent, all thanks to the new technology and competition.


These days looks matter a lot for people. Gone are the days where you might want to put any AC on wall which may ruin your interior. I’ll never prefer to do so ever.Here also Split AC has an advantage that they looks way better than window AC and now a days even many interior designers take them as a part of design. However even looks of window AC’s are improving.

Cooling efficiency

Since Split AC compressor is installed outside in ODU, all heating components are fitted outside your room and is installed at a properly ventilated place, hence it put less load on compressor to work and hence less electricity consumption, however it might differ from place to place. The point to be taken care here is that the connecting pipes of IDU and ODU must be properly insulated or cooling efficiency can drop. Don’t worry, If you’ll buy AC from a good brand, who has great after sales service, you’ll not face any installation issue. But do mind that technically for same tonnage, window and Split has almost same electricity consumption rate.

Electricity Consumption

Although everyone says that electricity consumption for both window and Split are same. Technically that’s also true. But as per the experience, when on auto mode, Split AC’s cool down faster your room than window AC’s as their air throwing component is spread out at longer span and air throwing speed is also higher.

Window AC’s has only a small window for throwing air, may be that’s why they are called as Window AC and same theory goes for Split AC’s too. Also window AC’s can effectively cool down area only less than 300 Sq. Ft. With maximum tonnage available, whereas in split AC’s, there isn’t any limit.

And basically the point is faster your room gets cooled, compressor cut shall happen earlier then what compared to window AC’s.

Also Split AC’s technology wise has got way much better than window AC’s as most companies inclines to sell those more, hence more R&D work are done on them. Inverter series air conditioners which is the latest trend, are available in split AC’s only.

Sometimes buying a window AC shall make you feel that you’re buying a product which any company don’t wanna sell but they have to, because market demands them. That’s the only reason why you’ll never see any TV advertisements on window AC’s.

Capacity Requirements

Since window AC is whole one unit, it’s size is directly proportional to the tonnage capacity. Higher the capacity, bigger the size. Because of such reason, window AC’s are available only up to 2 tons capacity.

Whereas in case of split AC’s, the real work of cooling down air is done in external unit (ODU) and it can be of any size as it is installed outside. Hence there isn’t any tonnage limit on those.

Please do mind reading this, that if you have a bigger area needs to be cooled, and while calculating your tonnage requirements, It comes out to be 3 tons, then don’t buy one unit of 3 tons, rather buy 2 units of 1.5 tons or 1 two tons and 1 one ton AC. I am saying this because many a times you might not require to cool down whole area, in those cases you can switch ON only one AC and save electricity consumption. Also if by chance one AC broke down, you’ll still have one working, so that your work flow may not get effected.


Window AC’s are successful only when being installed in small rooms in apartments or offices. However for commercial places and large complex and even at home, Split AC’s has proved to be more successful.


Pricing point, even when we list here at last is one of the biggest deciding factors for most consumers. We feel that consumers must look for product quality first and keep the pricing at least priority. We want our air conditioners to work for years and hence doing one time investment, even if the product is costlier is much better than saving money at initial period by buying low cost AC’s.

Usually Split AC’s are costlier than window AC’s. Now-a-days people demand more for Split AC’s rather than window because of all reasons we mentioned above. Be Smart, Take Smart Decisions!!

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