Central AC vs window AC: Which one offers better cooling and electricity savings

Summers are at their peak, and the heat is getting tough to handle. Even if you’re inside, it’s getting impossible to beat the heat. As the temperature is rising, so is the need to buy a new AC, but choosing the right cooling system can be a bit confusing, especially if you have a big house. The most important decision one has to make while buying an AC is whether to opt for a central AC or the simple window AC, as each option comes with its own set of pros and cons. Making the right choice depends on your home layout, your budget, and how much you want to save on your monthly power bills. Here is a simple guide to help you decide which system fits your lifestyle best.

Central AC vs window AC: Performance and energy efficiency

When we’re talking about the raw power to cool a warm space, then the central AC easily wins by miles in comparison to the window AC. The central AC is designed in a way that allows it to cool your entire home evenly without leaving hot spots. On the other hand, a window AC unit can cool only one specific room or a small space where it has been placed.

However, when we talk about energy efficiency, then the window AC gets the better of the central AC. The central AC systems use modern technology to cool large areas very efficiently, but they also use a large amount of electricity as they run throughout the whole house.

In comparison to that, a window AC is simply smaller and cools a smaller space while consuming less electricity overall, and if you only need to cool your bedroom at night, a window unit will save you more energy.

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Central AC vs window AC: Running and installation cost

One of the things that you need to consider well before you make up your decision are the running and installation costs of the central AC and window AC. Installing a central AC system is a major project. It not only requires professional technicians and a network of ducts inside your walls, but the overall cost of setting up is also very high. Comparatively, a window AC is highly affordable and can be easily installed as a DIY project in just a few minutes.

While a window AC can be installed for free, even if you decide to ask an expert technician for the setup, it would cost around Rs 500 to Rs 1,500, as it is a self-contained unit and requires no ductwork. However, installing a central AC system can range between Rs 50,000 to over Rs 1,50,000 due to the complex ductwork.

In terms of running costs, window AC units are much cheaper if you only use one or two of them. However, if you try to cool a large house by putting a window AC in every single room, your electricity bill will skyrocket, and in that case, a central AC is a much better option despite its initial installation cost.

Central AC vs window AC: Lifespan and cost

The lifespan of the two devices has a big difference, as if both devices are properly taken care of and maintained well, then a central AC system can easily last between 15 and 20 years. Moreover, it also adds a permanent value to your property if you ever decide to sell it.

In contrast, window units have a shorter lifespan, which usually lasts around 8 to 10 years. While they do not last as long and need to be replaced sooner, one thing to keep in mind is that they are much cheaper to fix or replace when they break down.

A window AC is usually priced around Rs 20,000 to Rs 50,000. While a central AC system works by cooling the entire house via ducts and costs around Rs 2 lakhs to Rs 7 lakhs.

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Central AC vs window AC: Which one should you buy?

The final decision will depend upon your requirements and finances. Central air conditioning is the preferred system for those who are looking for cooling the whole building and have additional budget capacity. On the other hand, a window air conditioning system is the preferred system if one wants to conserve his/her finances and cool only one room.