5 Best Casement Window Air Conditioners

Are you worried about how to get an air conditioner that can fit into your casement window? Worry no more; this 5 Best Casement Window Air Conditioners article has your back.

The beauty of the Casement Window Air Conditioners is that it doesn’t consume your room space. Also, you experience its cooling effect with almost no noise. Even so, it can dehumidify your room.

This PowerVersity buying guide selects the 5 Best Casement Window Air Conditioners that can give your room an excellent cooling effect. More so, you will get to know the benefits and drawbacks of the Casement Window Air Conditioners.

Even so, this article explains the factors you need to consider before buying a casement window air conditioner.

So, I will be listing my best picks in descending order from the 5th to the best. Therefore, I urge you to read this article to the end.

5 Best Casement Window Air Conditioners: Overview

5 Best Casement Window Air Conditioners_ Overview

A casement window is a window that cranks outward (like a door) or hinges upright when you open it. Windows of these kinds are taller than they are wide. Hence, standard window units can not fit into these kinds of windows.

A casement window is a good option for catching the breeze. However, it does not help when the air is hot and still. Hence, the need for an air conditioner (Casement Window Air Conditioner) that fits this type of window.

Therefore, the casement window air conditioner is an air conditioner that fits into casement, vertical or sliding windows. It is taller than it is wide. Usually, it is about 20 inches taller than traditional window air conditioners.

However, the casement window air conditioner requires a specific setup to keep it in place, so it sits on the windowpane. Despite its vertical orientation, it does not cover the entire window space. Thus, a panel is cut to fill the space.

Nevertheless, casement window air conditioners are rare to find even when the casement windows are common. As such, there are not many differences and variations between them. What mainly varies between them is the size and the British Thermal Unit (BTU) rating.

5 Best Casement Window Air Conditioners: Pros And Cons

5 Best Casement Window Air Conditioners_ Prons And Cons

Benefits

The casement window air conditioner has great benefits. These include:

Saves Space

By sitting in the window, the casement window air conditioner saves space. Unlike the portable air conditioner that uses interior space, it vents the room from the window.

Very Minimal Noise Level

Unlike the portable air conditioner, the casement window air conditioner directs the noise to the outside. Hence, the noise that is supposed to come from the AC is almost eliminated on the inside.

High Energy Efficiency Rating (EER)

The casement window air conditioner has a higher EER rating than the portable air conditioner. Hence, it does not require enough input power to vent the building.

Therefore, the cost of electricity needed to operate the casement window air conditioner is less.

Dehumidifying Ability

Recent models of casement window air conditioners can dehumidify a room. Consequently, it removes the moisture in the space. In its dehumidifying mode, it can even take care of dust in the room.

Control Ease

Most casement window air conditioners have remotes that make controlling the AC easy and convenient. Hence, you can control it from any part of the room.

Drawbacks

Below are the few setbacks associated with the casement window air conditioner:

Difficulty In Installation

The casement window air conditioner is difficult to install. This difficulty in its installation is mostly applicable on the upper floor of a building. You need to ensure that the air conditioner is secure to prevent falling.

Exterior Noise

The casement window AC has a system that directs noise to the outside. This makes the inside quiet. However, the neighbors are disturbed by the noise outside.

Therefore, the inside is quiet, to the detriment of the neighbors outside.

5 Best Casement Window Air Conditioners: Factors To Consider

5 Best Casement Window Air Conditioners_ Factors To Consider

For you to get a good casement window air conditioner, you need to note the following points:

Cooling Capacity And Coverage Area

The essence of the casement window AC is to give a cooling effect to a closed space. This is measured in British Thermal Units per hour (BTU/hr).

However, the casement window air conditioner has a limited cooling capacity of between 8,000 BTU and 10,000 BTU. Unlike the standard double-hand window ACs that produce a broader range of cooling capacities.

Therefore, the 10,000 BTU casement window air conditioner is the most sort among casement ACs since it is the highest cooling capacity.

Consequently, the cooling capacity determines the area of coverage. According to the EPA recommendation, the cooling effect for 1 sq ft should be 20 BTU. This is needed for a friendly environment.

Hence, to determine the cooling capacity and BTU rating for a 400 sq ft, just look for 400 sq ft * 20 = 8,000 BTU.

Nevertheless, producers recommend that an 8,000 BTU air conditioner be used for a 300 sq ft. While a 10,000 BTU air conditioner is useful for 450 sq ft.

Energy Efficiency Ratio (EER) Rating

If the energy efficiency of your air conditioner is high, you will spend less on energy. On the other hand, if the efficiency is low, your expense for energy will be high.

The EER is the unit for the energy efficiency of your casement window air conditioner. It is calculated by dividing the cooling effect by the maximum power the air conditioner needs.

For instance, if 950 watts power a 10,000 BTU then, the EER rating = 10,000 BTU / 950 Watts = 10.5.

The EER rating of 10 and above is considered efficient for any casement window air conditioner. So, while buying, you consider the EER rating as explained above.

Size Of The Casement Window Air Conditioner

The size of the casement window air conditioner is another factor you must consider. Here, you need to take note of the size of your window, especially the width.

However, before making your choice, you should know the dimensions of your window. It will help you make a fitting choice.

The width of the casement window air conditioner is less than 15 inches. Hence, it is recommended that the minimum width of your should be less than 25 or 20 inches.

Noise Level

Even though the casement window air conditioner directs is noise outside, some level of noise could be heard inside. Noise should not come as a result of cooling.

Hence, you need to check the noise level of your casement window air conditioner. The AC is considered very quiet if the noise level is below 60dB.

Durability

Depending on the model, some casement window air conditioners might be expensive, and some might not. Either way, you need to consider the durability. You do not need to buy a replacement within a short period.

Price

You need to consider your budget before buying a casement window air conditioner. Also, you need to consider the energy cost for its operation. The energy cost depends on the EER rating, as explained above.

However, I recommend you go for an appliance that your budget can carry so as not to go bankrupt.

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5 Best Casement Window Air Conditioners: My Recommendations

ProductWeightDimensionEER RatingBrand
Keystone 8,000 BTU Slider Casement Window Conditioner30.3 Pounds23.5 x 14.5 x 20.8 inches10.8KEYSTONE
Frigidaire Window-Mounted Slider Casement Air Conditioner68 pounds23.5 x 14.2 x 20.25 inchesN/AFrigidaire
Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner76.9 Pounds23.5 x 14.5 x 20.87 inches10.4Koldfront
PerfectAire 10,000 BTU Slider Air Conditioner72 Pounds23.5 x 14.75 x 21 inches13.0
PerfectAire
Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner75 Pounds23.5 x 14.5 x 20.88 inches11.0Koldfront

5
Keystone 8,000 BTU Slider Casement Window Conditioner

Keystone 8,000 BTU Slider Casement Window Conditioner
Amazon.com

5th on my list is “Keystone 8,000 BTU Slider Casement Window Conditioner”.

The Keystone 8,000 BTU Slider Casement Window Conditioner fits your sliding and casement windows. Based on the ASHRAE standard, it is rated 8,000 BTU and 5,000 BTU based on the DOE standard.

Also, it is best for a 350 square feet room. Its multiple functions are cooling, dehumidification, and fan circulation—all in one compact unit with electronic controls, 3 fan speed, and energy-saving mode.

Furthermore, it has 4-way directional control that enables you to direct the air. Its required minimum window height is 21.3 inches. More so, the maximum required window width is 15.5 inches to 16.3 inches.

Even so, its filter frees the air from dust, debris, and contaminants. These can get it dirty. However, the system gives a check filter alert that indicates when you need to clean the filter.

Lastly, it weighs about 30.3 pounds. It has a dimension of 23.5 x 14.5 x 20.8 inches.

Pros

  • It offers convenient cooling.
  • Also, it is compatible with 3 functions in 1.
  • However, you can control its air direction.
  • Even so, the air from it is well filtered.
  • In addition, it has a digital display.
  • Furthermore, it has an alert system for notification.
  • In conclusion, it is easy to use.

Cons

The product warranty is not specified.

4
Frigidaire Window-Mounted Slider Casement Air Conditioner

Frigidaire Window-Mounted Slider Casement Air Conditioner, 8,000 BTU
Image from Amazon

4th on my list is “Frigidaire Window-Mounted Slider Casement Air Conditioner.”

The Frigidaire Window-Mounted Slider Casement Air Conditioner has a multiple-speed fan that aids flexibility. It has a remote control that allows you to control temperature and fan speed.

Also, it has a 24-hour On/Off programmable timer that customizes times to fit your schedule. It lets you preset the unit to turn off and on in half-hour increments.

Furthermore, it has an effortless temperature control that aids the control and maintenance of preset temperatures. Even so, it comes with an extra-long three-prong cord. Hence, making extension cords unnecessary.

In addition, it captures dust from the air. It also keeps the dehumidifier working effectively with an easy-to-clean washable filter.

Lastly, its weight is 68 pounds. Its dimension is 23.5 x 14.2 x 20.25 inches.

Pros

  • It has a multiple-speed fan.
  • Also, it has a programmable 24/7 on/off timer.
  • Even so, it possesses effortless temperature control.
  • Furthermore, it can be remotely controlled.
  • More so, it has adjustable side panels.
  • Nevertheless, it has a digital display.
  • In addition, it has an easy-to-clean filter.
  • However, it has a 1-year warranty.
  • Lastly, it is compatible.

Cons

You need to buy some of its accessories separately.

3
Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner

Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner with Dehumidifier an
IMG: Amazon

3rd on my list is “Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner”.

The Koldfront CAC10000W 10000 BTU 115V Casement Air Conditioner is a corded electric device that can vent spaces between 400 square feet and 450 square feet.

It is designed to fit into left-to-right sliding casement windows only. Also, it fits windows that are 15.5 inches to 16.25 inches wide and heights between 20.31 inches and 39.44 inches. If you are using a window panel retainer, the minimum height is 21.25 inches.

Furthermore, it jas a digital display, dehumidifier, sleep mode, 3-fan speeds, remote control with 16 feet range, and so on. Hence, it is compatible.

However, it comes with all installation hardware and weather seals to aid in easy setup. Its energy efficiency ratio is 10.4.

Lastly, it weighs 76.9 pounds. It has a dimension of 23.5 x 14.5 x 20.87 inches.

Pros

  • It supplies cooling to a large space.
  • Also, it has a digital display.
  • Even so, it has a good dehumidifying capacity.
  • More so, it is highly efficient.
  • Furthermore, it comes with all installation hardware.
  • In addition, it can be controlled remotely.
  • Lastly, it has 3 fan speeds.

Cons

  • It is only suitable for the left-to-right sliding casement windows.
  • The product warranty is not specified.

2
PerfectAire 10,000 BTU Slider Air Conditioner

PerfectAire 10,000 BTU Slider Air Conditioner
www.amazon

2nd on my list of 5 Best Casement Window Air Conditioners is “PerfectAire 10,000 BTU Slider Air Conditioner”.

The PerfectAire 10,000 BTU Slider Air Conditioner has an adjustable temperature setting. It ranges from 62°F to 86°F (17°C – 30°C).

Also, it has a cooling ability in areas between 400 square feet and 450 square feet. It possesses 3-speeds in both cool and fan modes.

Furthermore, it has an expandable window mounting kit. This kit accommodates horizontal sliding and crank-out casement windows.

In addition, the windows should have a minimum width of 15.5 inches and maximum width of 16.25 inches. Finally, the window’s maximum height should be 39.5 inches and the minimum height, 21.25 inches.

Even so, it has a functional remote with portable thermostat technology. Hence, you can control the air conditioner from any part of the room. In addition, its front-mounted, tilt-out filter can be easily accessed for cleaning.

Lastly, it weighs 72 pounds. Its dimension is 23.5 x 14.75 x 21 inches.

Pros

  • It has adjustable temperature settings.
  • Also, it accommodates all casement windows.
  • Even so, it has 3 fan speeds.
  • More so, it can operate both in cool and fan modes.
  • Furthermore, it can be controlled remotely.
  • In addition, its filter is easy to clean.
  • However, it has a display system.
  • Lastly, it has a 1-year warranty.

Cons

It does not dehumidify.

1
Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner

Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner
Pic: Amazon

On my list of 5 Best Casement Window Air Conditioners, the best is “Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner”.

The Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner is designed only for horizontal sliding windows. It is made for spaces between 300 and 350 square feet.

However, the window should have a width between 15.5 and 16.25 inches. Its height should be from 21.31 inches to 39.44 inches. Also, it includes all installation hardware and weather seals.

Furthermore, it has a digital display, dehumidifier, sleep mode, 3 fans speed, remote control, and so on. Its energy efficiency is 11.0 per energy saver mode. Even so, it operates at 115 volts.

Lastly, it weighs 75 pounds. Its dimension is 23.5 x 14.5 x 20.88 inches.

Pros

  • Its cooling effect covers a wide space.
  • Also, it has a digital display.
  • Even so, it can dehumidify the room.
  • Furthermore, it has good energy efficiency.
  • Lastly, it has a digital display system.

Cons

  • The product warranty is not specified.
  • It only fits into sliding casement windows.

5 Best Casement Window Air Conditioners: My Final Thoughts

5 Best Casement Window Air Conditioners_ My Final Thoughts

The temperature of your room also contributes to your good health. You don’t need to battle with heat and humidity in your room. Thus, a Casement Window Air Conditioner is what you need.

However, this article gives you all the information you need on Casement Window Air Conditioners. It also gives you information to guide you in buying one. As such, you do not need to change your window to get an air conditioner.

Hence, I recommend that you choose from the 5 Best Casement Window Air Conditioners mentioned above. Nevertheless, these casement ACs are selected considering the previous customers’ ratings and best sellers ranking.

Therefore, click the “Buy Now On Amazon” button to place your order.

I hope this buying guide was found helpful to you.

So, fill out the “Leave A Reply” form at the end of this article to share your thoughts.

To read more articles like this, please visit:

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Christian Jerome
Akan Christian writes for PowerVersity.com. He holds an HND in Electrical/Electronic Engineering. Christian enjoys reading, listening to solemn music, singing, and playing sports. For PowerVersity.com, Christian writes reviews, buying guides, and best pick articles.

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