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When it comes to buying a new air conditioning system, one of the first questions to ask yourself is what size air conditioner you need.

All you need is the right size to fit your space. And, for your 2,400 square foot area, we’ll tell you which size AC unit is best for it.

What Size AC Unit Do I Need For 2400 Square Feet Area?

A 5 ton or 60,000 BTU AC unit is considered the right size for 2,400 square feet. Your air conditioner will work more efficiently if it is sized correctly for your home.

Information on air conditioning unit measurements for 2400 square feet is provided below.

AC Size Tonnage BTU
Small 3 Ton 36,000 BTU
Medium 4 Ton 48,000 BTU
Large 5 Ton 60,000 BTU

Does Too Large Or Too Small AC Matter For 2400 (Square Feet)?

The summer heatwave is usually the reason many choose a larger air conditioner than necessary for their home, while some people choose a smaller one to save money.

Let’s see what kind of problems will accumulate when you buy an air conditioning unit that is too big or too small for 2400 square feet.

Buying A Too Large AC Unit 

Buying an air conditioning unit that is too big for 2400 square feet can cause a lot of problems.

More Costly

Large air conditioners are more expensive than small units. This means that your air conditioning bills will be high right from the start, even before the equipment is installed.

Consume More Energy

Since full-size air conditioners use more energy to cool your home, they almost always result in higher energy bills.

Because they more often have short cycles. Short cycling refers to how an air conditioner’s compressor cycles on and off in rapid intervals, which is inefficient.

Lifespan

The short cycle that occurs with a large air conditioner causes significant wear and tear on the unit, reducing its overall life.

Buying A Too Small AC Unit

Air conditioners that are too small for your home, on the other hand, can cause a variety of problems.

Little Cooling Capacity

Your home is never cold enough, no matter how hard you try, an undersized air conditioner will always struggle to cool an area too large for it.

The best you can do is cool one part of the house while keeping the rest warm.

Cause High Energy Bills

While the capacity of an air conditioner generally corresponds to the amount of energy it consumes, an undersized air conditioner will consume more energy simply because it is more likely to run continuously, barely cooling the room.

Lifespan

An undersized unit experiences the same wear as an oversized unit. The stress of almost constant operation of your undersized air conditioning unit leads to more frequent and costly repairs, as well as a shorter overall lifespan.

How To Calculate Size

To calculate the size, simply multiply the “length“ by the “width” of the room or area to be cooled. Then, as a practical number, multiply that total by “25 BTUs”. This allows for sufficient cooling, whether it’s a rainy, humid day or a hot, sunny, humid day. Let’s say the hall is 40 feet wide by 60 feet long. This means 40×60 = 2400 square feet. Take 2400 square feet times 25 BTUs per square foot and you have the minimum BTU air conditioner to buy. This means that a cooling capacity of 2400×25 = 60,000 BTUs is required.

You might be wondering: will a small air conditioner work or is a bigger one better? Here is a reflection on these questions. The smaller BTU units will run continuously, just trying to keep up. This will increase your electricity bill and the unit is unlikely to be able to effectively cool the area.

Which Types Of AC Units Do I Need For 2400 (Square Feet)?

Air conditioners fall into three categories, each of which cools the same way. Most likely, your home has a split-system air conditioner, ductless air conditioner, or monoblock air conditioner.

Split System Air Conditioner

Split System Air Conditioner

Split system air conditioners are the most common kind of unit system. An outdoor unit and an indoor unit work together to cool and adjust the humidity level in your home using this system.

With this style of air conditioner, you have many alternatives. You can select a split system air conditioner from the markets based on the energy efficiency, noise level and budget you want.

Ductless Air Conditioner

Ductless Air Conditioner

An outdoor unit connects to one or more indoor units in a ductless air conditioner. The indoor units have a unique design.

These systems are suitable for homes that want or require multiple temperatures in each space, as indoor units are designed to cool one room.

Since each room has its unit located on the ceiling, wall, or floor, you can make one room much cooler or warmer than another.

Monoblock Air Conditioner

Monoblock Air Conditioner

A Monoblock air conditioner system consists of a single outdoor unit. The unit contains all essential mechanical components, such as the evaporator coil, compressor and condensing coil.

The integrated system uses your home’s ductwork to cool the right areas. You can choose between single-stage or two-stage systems, depending on your requirements and your desire for a low-powered machine.

What To Look For In The Right Size AC Unit For 2400 SQFT (Square Feet)?

While area-based sizing calculations are helpful in giving you an idea of what to expect, there are a number of additional things to consider when properly sizing your air conditioning unit.

Energy Efficiency 

You’ll spend more upfront on power efficiency, as well as cooling capacity. However, you can quickly recoup this expense by saving energy over the life of the unit.

The energy efficiency ratio (EER) is calculated by dividing the cooling capacity by the electrical energy required to run the unit.

The EER of most 115-Volt units is 9 or 10. Any unit above ten is considered exceptionally efficient, and the true energy pioneers are in the low twenty.

Controlling Features

Staying cool this summer can be easy if you choose the right control features. Look for fans with many speeds and temperatures that can be adjusted.

Both allow you to adjust the output for the most comfort possible. They also allow you to cool the room, and then reduce the temperature for silent operation. 

Digital Controls

Digital controls offer precise temperature control, as well as a timer to turn the electricity on and off on a predetermined schedule.

Whether Controls

Another consideration is whether the controls are located at the top, bottom, or side of the device. If the device is placed in a window at waist level, the upper controls will be the easiest to reach.

For a wall-mounted machine placed at shoulder or head level, bottom or side controls are best.

Installation 

Instructions for placing the air conditioning unit in the space are also important. It is best to install AC above a window. To install an AC, you can follow the instructions below.

  • Please measure the width and height of the window opening it will be installed in before purchasing an air conditioner.
  • Then check your product documentation for the window sizes supported by your player. Installation is easier with air conditioners that have a sliding frame.
  • After attaching your metal frame to the window, all you have to do is slide them into place.
  • For through-the-wall installations, a sliding sash is required if your windows have an odd layout.
  • You can get through-the-wall installation from most major appliance retailers. After drilling a hole in the wall, the installer will place the air conditioner sleeve on the frame and then slide the unit into it.
  • To prevent drafts and moisture, make sure the installer seals the inside and outside corners of the opening.

Does My AC Unit For 2400 SQFT Affect The Environment?

Even if the most advanced air conditioning systems are not suitable for you, replacing any old unit would help the environment.

Because today’s heating and cooling equipment are more energy efficient than 10 or 20 years ago, it is.

Air conditioning consumes about 2,000-kilowatt hours of energy per year in an average home, which causes power plants to emit about 3,500 pounds of carbon dioxide and 31 pounds of sulfur dioxide.

Even if your existing air conditioner is only ten years old, a new unit can save you up to 40% on electricity. Switching to a new air conditioner could be considered a “green” move in any case.

How Long Does An Air Conditioner Last For 2400 SQFT (Square Feet)?

Although the lifespan of an air conditioner depends on many factors, well-maintained air conditioners should last 10 to 15 years. Many systems can last even longer with frequent inspections and repairs, including modal scales.

How To Calculate The AC Unit For 2400 SQFT (Square Feet)?

When calculating the size of air conditioning units, per square foot, you will need 0.0016 tons of air conditioner In general, 1 ton of air conditioner is needed for every 600 square feet. It’s just a guess.

Again, 1 ton equals 12,000 BTUs. So, if you choose a 3 ton air conditioner, that means it will be 36,000 BTUs for a 2,400 square foot space. Respectively, for 4 and 5 tons it will be 48,000 BTU and 60,000 BTU. You need to look up the model number to find out the size.

The Final Thoughts

We all appreciate those days when the weather is great, but there is a factor that explains why air conditioners are so common in our lives. Therefore, getting the right size air conditioner is important.

With the information in these recommendations, you will be able to make an informed decision on the right size 2400 SQFT AC unit and improve your quality of life.

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