Best Casement & Vertical Window Air Conditioners

When you move into a new apartment with windows that open outward or inward either to the left or right, you most likely have a sliding or casement window. They function similarly to doors except that instead of a handle, they open with a crank.

If you’re only here for the best vertical and casement window air conditioner product recommendations, we have put together our absolute top 3 picks for you to take a closer look at. These are all great products, assuming they fit the casement and window that they are being put into, as well as avoiding breaking the bank in the process.

Brand
MIDEA
Koldfront
TCL
Image
MIDEA MAW12R1BWT EasyCool Window Air Conditioner, Fan-Cools, Circulates, and Dehumidifies, Has A Reusable Filter, and Includes an LCD Remote Control, 12000 BTU, White
Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner with Dehumidifier and Remote Control
TCL 5WR1-A Home Series Window-air-Conditioner, 5,000 BTU, White
What we love
Extremely quiet and great value for money with this model.
Energy Star-certified, for windows from 15½ to 16.25 inches wide
Best slim, small, vertical window AC.
Dimensions
21.89 x 18.98 x 14.65 inches
23.5 x 14.5 x 20.88 inches
15.2 x 15.98 x 12.52 inches
Capacity
12,000 BTU
8,000 - 10,000 BTU
5,000 - 10,000 BTU
Brand
MIDEA
Image
MIDEA MAW12R1BWT EasyCool Window Air Conditioner, Fan-Cools, Circulates, and Dehumidifies, Has A Reusable Filter, and Includes an LCD Remote Control, 12000 BTU, White
What we love
Extremely quiet and great value for money with this model.
Dimensions
21.89 x 18.98 x 14.65 inches
Capacity
12,000 BTU
Brand
Koldfront
Image
Koldfront CAC8000W 8000 BTU 115V Casement Air Conditioner with Dehumidifier and Remote Control
What we love
Energy Star-certified, for windows from 15½ to 16.25 inches wide
Dimensions
23.5 x 14.5 x 20.88 inches
Capacity
8,000 - 10,000 BTU
Brand
TCL
Image
TCL 5WR1-A Home Series Window-air-Conditioner, 5,000 BTU, White
What we love
Best slim, small, vertical window AC.
Dimensions
15.2 x 15.98 x 12.52 inches
Capacity
5,000 - 10,000 BTU

The only limitation of this type is that it is hard to put an air conditioner unit that fits into its narrow opening, why you will want to make sure that you’re getting a product that fits the space it’s meant to be put into.

It is undoubtedly challenging for homeowners to find one that best suits them. That is because the usual dimension of a standard AC unit is in width.

How can you beat the summer heat without these machines? And what kind do you need that fit well with casement frames?

Fortunately, some manufacturers offer casement and vertical air conditioning window units on the market today. For example, a Frigidaire FFRS 1022rl is generally one of the finest on the market.

If you want to know more about the best casement and vertical window air conditioners, be sure to read the entire post, where we’ll cover your upright, small openings, portable and sliding window options. For instance, you may know that you have a 14 inch wide clearing, or that you’re installing it in the basement. Is the Frigidaire ffrs1022r1 right for you? Find out here!

fuzzy dog and thermostat

What is a casement window air conditioner?

A casement window air conditioner is a high, narrow type AC unit. They are the perfect cooling system to fit into a casement or sliding window arrangement, set vertically into its narrow opening. One of the unique features of these units is that they are usually less than 20-30 inches high,14-15 inches maximum width, and come with a mounting kit to lock the unit in place.

Therefore, a vertical unit is the perfect match for this configuration because they tend to be taller than wide.

Why should you get one?

Suppose you have a space that opens vertically or side to side. In that case, the best unit to install is the casement or slider model. The unit sits right in the open space of the windowsill that holds the unit in place with a mounting kit around the sides.

These models require very little setup. As a result, you will typically install it yourself, which means there is no additional expense. It is an excellent option for cooling one or two rooms and is very energy efficient.

All regular systems can pass through standard windows. All lightweight, narrow, and small models, on the other hand, are designed to fit in casement/sliding windows. Therefore, they all have assembly kits as well as attachments to block the excess air passage.

To send you a quick overview of the unit, I have collected details about how it operates and what we get from purchasing one.

1) Most of the casement and vertical units come with a power supply cord that features a current device. What it does is detect any damage to the power cord when you plug it in. In addition, you can test the power supply by pressing the TEST and RESET buttons through this device. After successful testing, the power supply begins providing electricity to the unit.

2) It has an energy-saving feature that allows the device to operate until the temperature is reached and then shuts down automatically. Moreover, the unit works in an on-off mode until the desired temperature. You can set this function as a default operation on its first use.

3) The temperature is automatically maintained anywhere between 60 to 90 degrees Celsius.

4) Vertical units feature an operation that detects the temperature of the room automatically. For example, if the room temperature increases rapidly, the fan switches to the maximum speed. And if the room temperature idles at a certain degree, the fan switches to the lowest rate. In other words, the speed of the fan will go along with the temperature of the room.

5) In the relaxed mode, the fan runs continuously while the compressor cycles on and off. This mode will make the room temperature very comfortable to stay.

6) The best feature of a vertical unit is that it has an alert mode when the filter needs some cleaning. So the filter is monitored, the LED light will constantly appear for a maximum of 250 hours. After then, you’ll need to clean the filter and reset the timer.

7) Moving on, the exhaust feature enables the unit to recirculate indoor air or exhaust it to the outside. When optimum cooling is cozy enough, the “closed” position will initiate. In contrast, the “open” position clears humid air from the room and releases it to the outside. Fresh air is then brought in from natural passages in the home in this manner.

8) The slider window air conditioner can extract the air from the outside to the inside. It will go through the filter system and cooling mechanism, which will then release as fresh homely air in the room.

female adjusting thermostat

Those are the advanced features you will enjoy with these specific models. A valid reason why you need to install a sliding window unit in your home today.

What to look for

Nothing will beat an air conditioner on a humid day for bringing coziness to your house.

What to look for
Cooling capacity Dimensions Weight
Energy-efficiency Manufacturer Noise level

Today, the market is full of fresh and modern units with unique value and features, such as LED digital displays and more.

They are also jam-packed with remarkable features and functionalities that will be perfect for your need for an air conditioner. Some units are easy to configure, extra convenient, light maintenance operation, and just the best all-rounder appliance for your home. I guess we are lucky to have all of that.

Before purchasing or installing a vertical unit, you would want to know what to look for.

  • The cooling capacity

The primary function of these machines is to provide coolness to your house. The cooling effect is calculated in BTUs or British Thermal Units. The more space there is in a room, the more cooling capacity you will need to make it cozy.

A 10,000 BTU unit, on the other hand, has enough cooling ability to cool areas up to 450 square feet. Therefore, it is the most sought-after cooling capacity for a casement AC.

  • Dimensions of the unit to match the space

Before you make that purchase, make sure to get the precise dimensions of your casement to ensure that you get the correct vertical model.

Customarily, its width should be between 20 to 25 inches. That means the suited casement unit must be at least 15 ½ inches. Now, take note that the size of the installation kit adds an inch to the total width. That is why it is not ideal for putting an AC that is just right for the window. Always allow space for certain parts of the installation.

  • The weight

The average weight of a vertical unit is 29 kg. It is enough to insert safely into your window. However, heavier ones are pretty hard to mount and require a professional to get the job done, which involves additional cost.

  • Look for an energy-efficient series

In today’s market, all brands will show that their products are energy-saver. But, unfortunately, that is not the case all the time. So, you must look for vertical units that are verified energy-efficient to save a year-long extra expense for electricity.

You can easily measure the Energy efficiency by EER ( Energy-Efficiency Ratio). It is obtained by dividing BTU by maximum wattage input.

Example: 10,000BTU / 900W = 11.11 EER.

The higher the EER, the more electricity you will conserve and the lower the bill you will have to pay.

  • Pick the notable brands

Choose a brand with caution. Any brandless products may claim to be of the same consistency and efficiency as well-known brands, but they are not. So be wise enough, do your research and choose the best brand. But of course, you can expect a higher value with high-rated products.

  • The cooling sound

Consider the noise level of the unit. Ask the provider or check the consumer’s manual to give you the idea. Everyone wants a quiet model. A casement model has noise, level adjustments. If you’re going to ensure a super silent operation, set your noise level below 60dB.

And lastly, always ask about the warranty.

Have you read our guide on amp wire sizes, adding a shower to a half bath, gasless MIG welders or welding glasses?

temperature being changed

How to determine the correct size for your room

You can decide which to purchase depending on the size of the room. For example, you need an approximate 20 to 25 BTU per square foot of living space in general practice.

It would help if you looked at the cooling capacity of the model to help you choose the best unit for the size of space you have. Keep in mind that the larger area, the more BTUs are required.

Is it possible to install a portable model in a casement window?

If you think a mobile unit on wheels can only be rolled from one location to another and has a tube to exhaust heat out the window. Then you’ll be surprised to discover that a portable model can also be used in a window casement.

Although portable models come with a standard kit, you can DIY a round inset to fit the size of your exhaust tube. The only option is to use Plexiglas material.

Here’s how:

  1. Get your Plexiglas and make a cut that fits the size of a panel.
  2. Cut out a little portal or a round hole that fits the exhaust fan correctly. You may choose the location, but the best one is in the lower portion of the Plexiglas. You may go to the hardware to let the expert do the cutting if you do not know about cutting Plexiglas.
  3. Once you have the Plexiglas ready, begin the installation process. First, put the frame of Plexiglas with a hole and install it to the window.
  4. Secure the frame using clamps or clips,
  5. Seal it using waterproof stripping.
  6. Once the inset is waterproofed, attach the exhaust tube of the portable AC to the round inset, and it’s good to go.

However, there are sealing readily available in the market.

Casement, vertical, and sliding window models —don’t get confused with these terms. There is no uniform term for these models. Instead, all of these names are the same. And that means they all have the exact requirement of a type they fit in, the casement frame.

Here’s how it explained:

  • Casement air conditioners is the general name for one that fits a casement frame.
  • Sliding window models is a unit that holds a sliding window.
  • Vertical ACs is a term used to describe a model installed vertically, as the name suggests.

What is the best brand recommendation, if you ask us?

We highly consider the vertical models by Frigidaire. The brand is the biggest in the industry. They have proven as the powerhouse for cooling devices and appliances.

The Frigidaire FFRS 1022r1 is the highest quality casement and sliding window air conditioner on the market today. As a result, it is the most sought-after option out there.

It has a dimension of H20 ¼” x W14 ⅕” x T8 ½” enough to accommodate a height minimum of 22 ½” and width minimum of 15 ½” and with a depths of 23 ½”. It is perfect for your kitchen, office, or bedroom, study room, and entertainment room.

Legend:

” refers to inch/inches

x refers to by or multiply by

Its power cord is 72 inches long, long enough to access power outlets in high places. Extension cords aren’t necessary anymore.

The functionality is excellent. It includes a 24-hour on/off timer, auto-fan. It is very energy efficient as its start-up starts in low voltage with a sleep mode and a multi-function electronic control. It also has a red warning light that indicates if you already need to clean the filter. You can easily select options with just a touch of a button.

Its total coverage area is up to 450 square meters with a maximum coolness of 10,000 BTU. Its combined EER is 10.4, which means it is super energy-efficient, and you can save more on your bill. In addition, it is compelling and cools most of your rooms, even in a low setting.

It can make a significant difference even in your insulated sunrooms that often get too hot every summer. It works well in hot regions, too, where a string of heat waves often strikes. It’s the perfect unit to treat the heat.

It also has an open/close venting system, which is ideal for rooms without exhaust fans or ventilation. In addition, it self-ventilates the indoor air to the outside, which is particularly useful in kitchens without exhausts.

thermostat being adjusted

It includes mounting instructions and incredible equipment that makes the installation easy.

This remote-controlled electronic device has a voltage rating of 115 volts. If you experience a power interruption, the device will immediately start and continue its operation. And that is totally safe and energy-saver. Hence, it offers optimum comfort in the overnight hours while still saving electricity.

Collectively, the Frigidaire FFRS 1022r1 is currently the best one for casement/sliding spaces.

The Frigidaire Appliance Company developed a reputation for providing robust products in the market. Until now, they are still the leading brand in the community.

Make sure to read our guide on mini metal lathes, extension cords, 25,000 BTU air conditioners and lawn tractors as well.

Last words:

A casement or a vertical window unit is the ideal solution for keeping your space cool and comfortable all day, particularly during hot seasons, whether you have a side slide or something else. They are highly cost-effective, comfortable, and dependable efficiency. Ergo, a perfect summer add-on for your home!

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