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Vertical Window Air Conditioner

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209

Models Considered

63

Hours of Research

4

Experts Interviewed

157

Consumer Reviews Analyzed

I n case you are fed up with having to deal with hot summer days where you sweat excessively, we have your solution. These ACs are designed so that they provide full room, home, or apartment cooling before you know it, in a matter of minutes benefitting from a hospitable indoor living environment. Their operation is overall no different than that of other window air conditioners, the sole difference lying in their installation compatibility as these products are suited for vertical installation rather than the classic setup.

Aside from the aforementioned cooling provided, as each model provides dehumidification capabilities as well, it helps upkeep a truly safe and comfortable indoor environment so that hot summer days are more bearable. In the following, aside from reviewing and comparing your best options at the moment, we will discuss their functioning and explain modern features and functions these products can be accompanied by, as well as cover their installation and upkeep to help you reach an informed decision at the end of the article.

9. Keystone KSTAW05B – Best for the Money

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Specifications:


  • Cooling capacity: 5,000 BTUs
  • Room coverage: 150 square feet
  • Fan speeds: 3
  • Operating modes: 3 – AC, fan, dehumidifier
  • Air direction control: 2-way
  • Energy efficiency rating: 11.2

  • Moisture removal: 1.3 pints per hour
  • Filter type: Washable and reusable
  • Noise level: 49 dB
  • For window size: 13” x 23”-36”
  • Dimensions: 21.5″ x 19″ x 14.6″
  • Warranty: 1 year full, 5 years for the sealed system





This window-mount product has a 5,000 BTUs capacity that enables it to suit cooling spaces up to 150 sq. ft. Moreover, you benefit from mold spores and bacteria prevention by installing it as it acts like a dehumidifier as well, withdrawing an estimated 1.3 pints per hour (basically, this operating mode makes it successfully substitute a dehumidifier so that you won’t need to acquire one separately if humidity issues aren’t that high in the room). It is suitable for installation on windows that measure up to 36” in width and 19” height. Inside the package, you receive at no extra cost, a remote control for convenient operating and a window installation kit that enables you to follow through with the installation process on your own.

Smart and Practical
  • Sleep Mode – It gradually decreases the room temperature throughout the night so you have a comfortable night sleep
  • Energy Saver Mode – By setting this feature, it preserves energy and operates for 3 minutes with 10-minute pauses
  • Speeds – You can choose between 3 cooling speeds and 3 fan speeds so you can make it operate according to your specific needs
Quiet Operation and Powerful
  • CFM Rating (Hi/Med/Lo) – It has a rating of 129/112/100. Hence, it cools down the entire room within 10 minutes on the highest speed
  • Noise – When it’s set on the highest speed, it has an outdoor noise level of 62 dB. Thus, you won’t distract your neighbors. As well as, the indoor noise level reaches 55 dB on the highest speed, 52 dB on medium, and 49 dB on the lowest speed
  • Power Cord – Measures 6.4’
Mention-Worthy Aspects
  • Timer – The 24-hour programmable timer lets you to operate it exactly when you need it to. So, it will begin cooling down the room at a specific hour
  • Air flow – The 2-way air flow provides you with the option to direct the air wherever you want to
  • Design – The LED display shows you the settings it’s operating on and the electronic controls are easy to understand as they’re labeled
Verdict

You can control it to operate according to your needs seeing how there are multiple cooling and fan speeds, and it even provides a dehumidification mode that you benefit from seeing how it helps create more comfortable living conditions. It is even tailored with a memory function to retake its operation from where it left off after breakouts. Combined with the reasonable asking price, the cooling performance it flaunts makes it a smart investment for anyone who seeks to go through summer without sweating like crazy.


8. hOmeLabs HME020003N – Budget Pick

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Specifications:


  • Cooling capacity: 5,000 BTUs
  • Room coverage: 150 square feet
  • Fan speeds: 2
  • Operating modes: 2 – Cool, hot
  • Air direction control: 2-way
  • Energy efficiency rating: 11.1

  • Moisture removal:
  • Filter type: Anti-bacterial, washable
  • Noise level: N/A
  • For window size: 13” x 23”-36”
  • Dimensions: 16” x 12” x 15.4”
  • Warranty: 2 years





The 5,000 BTUs capacity makes it suited for optimal cooling of spaces up to 150 sq. ft., so keep this aspect in mind if you want to set it up properly and make sure it handles creating comfy living conditions in the room you install it in. With an energy efficiency ratio of 11.1, running it only racks up to a total estimated $41 per year on the energy bill, which isn’t much at all. Moreover, it is fitted with mechanical rotary controls that allow you to adjust it according to your needs with ease as these are not complicated to understand.

Fast Cool Time

Even though it measures 16” (L) x 12” (H) x 15.4” (D), it has the ability to cool down living rooms, small apartments, and bedrooms within 10 minutes. Best of all, you can adjust the settings according to your own specific needs as it has been designed with:

  • Temperature Settings – The 7 integrated speeds let you use it throughout the day and night
  • Air Control – The 2-way air direction control directs the air towards where you need the it the most
  • Fan – 2 selectable speed settings
Buying Guide
  • Window Size Suitability – Ideal for windows measuring between 23 – 36” (W) and at least 13” (H)
  • Power Cord – The 6’ 3-prong power cord means that you don’t need to purchase an extension cord
  • Antibacterial FilterRemove bacteria and odors from the living space
Mounting Kit Included

It makes for a smart acquisition if your budget is tight too as it includes everything you need. At no extra cost, in the package you also find the antibacterial filter, support brackets, leaf guards, window seal foam, and power cord.

Even though it uses a filter, there are no costs involved with upkeep as the filter is washable and reusable. Thus, all you need to do is use warm water with soap to remove the excess dirt it accumulates, or the vacuum, depending on the situation. Just make sure you regularly check on it and clean it when needed to ensure optimal cooling performance on the system’s part.


7. Friedrich Chill CP06G10B – Best for Air Circulation

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Specifications:


  • Cooling capacity: 6,000 BTUs
  • Room coverage: 250 square feet
  • Fan speeds: 3
  • Operating modes: 2 – AC, dehumidifier
  • Air direction control: 4-way
  • Energy efficiency rating: 11.2

  • Moisture removal: 3 pints per hour
  • Filter type: Anti-microbial, washable
  • Noise level: N/A
  • For window size: 20-1/8” x 36” x 14”
  • Dimensions: 12.3” x 15.4” x 18.6”
  • Warranty: 1 year full, 5 years for the sealed system





If you seek cooling for a space up to 250 sq. ft., the 6,000 BTUs this model releases are what you need. Despite the quite powerful operation it provides, it manages to stay whisper-quiet, so you won’t be distracted by its running even if you sleep in the same room with it. Furthermore, it is quite easy to install, which helps reduce on costs as professional intervention is not required for this procedure.

Fully Functional and Efficient

The louvers automatically oscillate left and right to provide cool and fresh air evenly throughout the room. It is fitted with 3 cooling and fan-only speed settings to pick from and tailor its operation to your needs. Some of its features are:

  • Air Circulation – It covers 200 cubic feet per minute to provide quick cooling in the space you place it in
  • Timer – Can be programmed for up to 24 hours so that you schedule its operation to how you need it to run
  • Affordable – By setting it on the Fan Only mode, it consumes far less energy
Mention-Worthy Aspects
  • Filters – The washable and antimicrobial filters prevent you from investing every 3 months into a new filter
  • EntryGard – You don’t have to worry about your safety as it offers anti-intrusion protection
  • Side Curtains – Suitable for windows or walls up to 7.5” deep. If your area is awkwardly designed, inside of the package you will find the side curtains at no extra price

The remote control comes in handy when you want to manipulate the settings from afar. Its wide operating range implies that you don’t have to be in the vicinity of the AC to turn it on or change the settings. The power cord can be positioned either on the left or right side of the unit, allowing you to pick the setup that suits the room layout best for trouble-free installation.


6. Friedrich Chill Series EP08G11B – Best for Year-Round Use

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Specifications:


  • Cooling capacity: 7,500 BTUs
  • Room coverage: 350 square feet
  • Fan speeds: 3
  • Operating modes: 3 – Cool, heat, fan
  • Air direction control: 4-way
  • Energy efficiency rating: 11.2

  • Moisture removal: 2.1 pints per hour
  • Filter type: Anti-microbial, washable
  • Noise level: 51.3 dB
  • For window size: 16” x 25.5”-36”
  • Dimensions: 16-7/8″ x 25-1/2″ x 30-5/16″
  • Warranty: 1 year





Consider this option if the space you want to cool is no larger than 350 sq. ft. as its 7,500 BTUs make it quite powerful, ensuring that within 10 minutes you won’t feel overwhelmed by heat. What is truly impressive is its energy efficiency though, the system flaunting an Energy Star rating and an EER of 11.2. As it is made with 20-gauge steel and aluminum, it maintains its build quality throughout the years.

Fully Customizable Operation

If you want a system that will operate however you want it to, this is the right model for your needs. Some of its design features are:

  • Operating Modes – Cool, heat, and fan-only modes
  • Timer – The 24-hour timer allows you to start it in advance how and when you prefer
  • Louvers – Automatically oscillate from side to side. Otherwise, you can manually adjust the louvers either up or down
Mention-Worthy Aspects
  • Costs – The estimated yearly costs are around $60
  • Suitability – Suitable for windows with a width of 25.5” to 36” and a 16” opening
  • CFM – The maximum CFM rating is 250
  • Accessories – You will receive the installation kit at no extra price
Convenient Features Integrated

Aside from providing fresh air in an effective and quick manner, it also removes airborne contaminants like dust, mold spores, and pollen. The filter it is fitted with is washable so that you won’t have to invest in it any further. Some of its particularities are:

  • Moisture Removal – Removes up to 2.1 pints of moisture per hour
  • Auto Restart – If you’ve experienced a power shortage, the AC will automatically restart on the previous settings when the power returns
  • Anti-intrusion Protection – The EntryGard anti-intrusion protection is designed with steel retaining wire to secure the chassis

Regarding installation versatility, this model is quite a standout as it can be installed either in the window or through the wall, whichever setup best suits your needs. You can control and customize every aspect of its performance, starting with cooling power all the way to operating duration. Furthermore, the MoneySaver mode it offers reduces operating costs so that running it actually ends un preserving energy in a hefty amount.


5. Frigidaire FFRS0822S1 – Best for Apartments

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Specifications:


  • Cooling capacity: 8,000 BTUs
  • Room coverage: 350 square feet
  • Fan speeds: 2
  • Operating modes: 3 – AC, fan, dehumidifier
  • Air direction control: 4-way
  • Energy efficiency rating: 10.9

  • Moisture removal: 3 pints per hour
  • Filter type: Washable mesh filter
  • Noise level: 48.4 dB
  • For window size: 15.5” x 21.5”-40”
  • Dimensions: 14.2” x 23.5” x 20.2”
  • Warranty: 2 years full, 5 years for the sealed system





Suited for casement and sliding windows and recommended for installation in a space that spans up to 350 sq. ft. if you seek optimal cooling performance on its part, this AC system is what you need for a large room, dorm room, or small apartment. Moreover, the 10.9 energy efficiency ratio it flaunts implies that even running it throughout the day won’t have repercussions as it won’t add much to the electricity bills.

Fully Functional

The 8,000 BTUs capacity ensure that quick cooling is provided, within an estimated 10 minutes being able to ensure the space reaches the comfortable temperature you seek so that you won’t sweat like crazy anymore. Some of its particularities are:

  • Remote Control – Lets you control the functions as you like from afar
  • Multi-Speed – Designed with 3 speeds so that you can opt for whatever setting best suits your needs at any given time
  • Air Direction – Control whatever way you want the air to go
  • Controls – The electronic controls provide comprehensive understanding over the unit’s functioning even if you are a first-time owner
Practical

The indicator light it is fitted with lets you know when the right time comes to change the filter so that you won’t spend money meaninglessly and change it at an inappropriate moment. Some of its characteristics are:

  • Filter – Washable mesh filter reduces odors, airborne particles, and bacteria to leave behind cleaner air
  • Modes – Designed with multiple operating modes so that it functions according to your needs at the moment (fan-only, AC, dehumidifier)
  • Dehumidifier – Removes excess moisture to keep the room free of mold spores and mildew
Verdict

Energy-efficient so that you can run it throughout the day without too many costs being added to the electricity bill, this fully programmable system is designed to tailor to your needs so that it keeps the room cool exactly as you like it. Moreover, the remote enables comprehensive, easy control over the system so that even first-time users have an easy time manipulating the settings as you like.


4. PerfectAire 3PASC10000 – Most User-Friendly

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Specifications:


  • Cooling capacity: 10,000 BTUs
  • Room coverage: 450 square feet
  • Fan speeds: 3
  • Operating modes: 3 – AC, fan, dehumidifier
  • Air direction control: 4-way
  • Energy efficiency rating: 10.4

  • Moisture removal: 3 pints per hour
  • Filter type: Washable and reusable
  • Noise level: 56 dB
  • For window size: 15.5”-16.25” x 21.25”-39.5”
  • Dimensions: 23.5” x 14.5” x 20.5”
  • Warranty: 1 year





Suited for casement, crank, and horizontal sliding windows, this 10,000 BTU capacity model features an efficient motor so that it can cool down rooms of up to 450 sq. ft. with little to no effort. It is even tailored with multiple adjustable temperature settings so that it keeps the comfort zone of your preference with ease.

Versatile and Practical

If the windows are awkwardly sized, inside the package you find an expandable kit that enables accommodation for horizontal sliding or crank-out casement windows. When you set it up, keep in mind that it works for windows with a width from 15.5” to 16.25”, and a height ranging from 21.25” to 39.5”. Some of its characteristics are:

  • Remote Control – The “Follow Me” portable thermostat remote ensures it calculates accurately which area needs to be cooled down further
  • Filter Access – Positioned at the front so that it provides straightforward maintenance, ensuring you have an easy time cleaning it
  • Speeds3 settings to select from to adjust it to what the situation asks for
Multiple Modes
  • Cooling – Up to 10,000 BTUs for power spot cooling
  • Fan – In this mode, the air is continuously circulated so that fresh air is provided without cooling it first
  • Dry Mode – If the air in the room is humid, it will focus its efforts on removing the excess moisture so that it prevents mold spores from developing
  • Auto Mode – Automatically changes operating settings according to environmental conditions and needs
User-Friendly Features Integrated
  • Timer – Set it up for 24 hours in advance to make it function as you need it to
  • Louvers – Adjustable louvers provide full control over air distribution into the room. The 4-way directional louvers let you set it how you like in the room without compromising efficiency
  • Exhaust Control – Control whether the air circulates inside or is exhausted outdoors
Verdict

The multiple operating modes make it worth every cent, and what is like among the best traits is that the remote control can be turned into a thermostat at the simple touch of a button for accurate temperature control. Moreover, the washable filter implies that you won’t have to invest in it every 3 months as you do with other entries, maintenance being a free debacle.


3. Koldfront WAC10002WCO – Our Choice

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Specifications:


  • Cooling capacity: 10,000 BTUs
  • Room coverage: 450 square feet
  • Fan speeds: 3
  • Operating modes: 3 – AC, fan, dehumidifier
  • Air direction control: 4-way
  • Energy efficiency rating: 12

  • Moisture removal: 3 pints per hour
  • Filter type: Washable and reusable
  • Noise level: N/A
  • For window size: 15.5” x 23”-36”
  • Dimensions: 14.6” x 19” x 21.4”
  • Warranty: 2 years





This model is engineered with numerous speeds and operating modes so that you have an easy time tailoring its functioning as you like. When it comes to operating modes, choose from automatic, sleep, and dry, whereas the total of speed selections provided are 3. It has a cooling capacity of 10,000 BTUs so that it effortlessly handles cooling a space of up to 450 sq. ft., catering to living rooms, offices, and other large-size areas. Furthermore, it comes with a remote control that you can use to change the settings more easily, from up to 16’ away.

Easy Installation and Maintenance

The temperature range functionality of the system spans from 62 to 86 degrees Fahrenheit so that you can set it as you like regardless of the season and create comfy living conditions year-round. To install it, you have to bear in mind that the minimum window height should be 15.5”, whereas the width must range from 23” to 36”. Some of its particularities are:

  • Energy-efficient – It cycles the fan for 2 minutes at 10-minute intervals until it reaches the ambient temperature you select
  • Indicator Light – LED indicator announces when the filter requires cleaning. Expect it to turn on once every 250 hours
  • Speeds3 settings provided so that you have full control over its functioning
Environmentally-Safe and Efficient

Its eco-friendly profile ensures running it is a safe decision, the product being recommended by the U.S. Environmental Protection Agency. It has been designed with:

  • Thermostat-controlled – Automatically turns off when the right temperature is reached, and turns on when the temperature exceeds your selected level
  • Sleep Mode – Adjusts the temperature periodically by 2 degrees Fahrenheit. Afterward, it automatically sets itself in Energy Saver mode
  • Dehumidifier – Removes moisture from the air for mold prevention

2. Frigidaire FFRS1022R1 – Best for Moisture Removal

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Specifications:


  • Cooling capacity: 10,000 BTUs
  • Room coverage: 450 square feet
  • Fan speeds: 3
  • Operating modes: 3 – AC, dehumidifier, fan
  • Air direction control: 4-way
  • Energy efficiency rating: 10.4

  • Moisture removal: 3.4 pints per hour
  • Filter type: Washable mesh filter
  • Noise level: 58 dB
  • For window size: 15.5” x 21.5”-40”
  • Dimensions: 23.5” x 14.5” x 20.2”
  • Warranty: 2 years full, 5 years for the sealed system





It is suited for installation on casement and sliding windows, and it includes the full installation kit at no extra cost, enabling you to set it up on your own if you have basic know-how to save costs on professional installation. It is rated at 10,000 BTUs so that it can cool a space of up to 450 sq. ft. without much effort, its dehumidification capabilities even enabling it to wick up to 3.4 pints per hour.

Smart and Innovative

It is tailored with multiple convenience and practicality enhancing features, the multiple electronic controls for the speed settings and 24-hour on/off timer providing full control over its functioning, while the full-function remote control allows you to control the settings from afar. Other highlights it flaunts include:

  • Multi-speed3 settings to pick from so that it delivers a flexible performance
  • Fully Programmable – Customize the operational time so that you can schedule it for immediate comfort. It can be set in 30-minute increments
  • Temperature Control – Maintains the preset room temperature to keep you comfy at all times
  • Effortless Restart – Automatically resumes operation with the previous settings as power is restored
Highly Convenient

The multiple modes it features, which include Auto Cool, Energy Saver, and Sleep mode, all add up to its convenience in use as you get to decide exactly when and how it functions to tailor the situation at hand and provide the best living conditions for you. Moreover, the 4-way air direction ensures even and efficient air distribution, while the filter indicator announces when maintenance is due, eliminating guesswork. Some of its features are:

  • Sleep Mode – Creates a comfy environment during evening hours, the temperature gradually decreasing a few degrees as the night passes
  • Adjustable Side Panels – Extend so that you can fit it to the design of the window, ensuring it caters to your setup
Verdict

We recommend it as it is among the most energy-efficient options, the EER of 10.4 being quite impressive seeing how it tailors to large-size spaces. Thus, you can keep it on day and night without spending a fortune on this. Furthermore, the full programmability adds to its desirability as it lets you customize it to your exact preferences.


1. Friedrich Chill Series CP12G10B – Best Overall

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Specifications:


  • Cooling capacity: 12,000 BTUs
  • Room coverage: 550 square feet
  • Fan speeds: 3
  • Operating modes: 3 – AC, dehumidifier, fan
  • Air direction control: 4-way
  • Energy efficiency rating: 12.1

  • Moisture removal: 3.3 pints per hour
  • Filter type: Anti-microbial, washable
  • Noise level: 54 decibels
  • For window size: 25.25” x 39” x 15”
  • Dimensions: 15” x 23.6” x 22”
  • Warranty: 1 year full, 5 years for the sealed system





The powerful 12,000 BTUs it employs enable it to cover a room up to 550 sq. ft. without much effort, which makes it tailor to residential needs, as well as light commercial needs. Moreover, you can install it either in the window or through the wall, which adds to versatility as setup is a decision you fully make as you see best fit. With the acquisition, you receive all the mounting hardware you need so that you can set it up on your own without much trouble. Best of all, the low-profile design allows it to fit in with the décor effortlessly.

Energy-Efficient Operation

What definitely adds to its desirability is the money-saving operation it flaunts. As a matter of fact, it features an operating mode that is called the Money Saver mode and makes it work on fan-only while cooling so that costs are as low as possible, enabling you to operate it day and night without costs racking absurdly. Its design features are:

  • EntryGard Protection – The anti-intrusion protection is granted by the steel retaining wire to secure the chassis to the sleeve
  • Auto Swing Louvers – The louvers automatically adjust the airflow where it is most needed. You can opt to manually adjust them up and down
  • Commercial-grade Side Curtains – Made with heavy-duty curtains that provide a snug fit while reducing noise and light

Due to its energy-efficient functioning, it will use an estimated 10% less energy to run than most entries in its price range. Moreover, the ozone-free operation makes it cater to your needs while ensuring it is safe for the environment too.

Mention-Worthy Aspects
  • Window Width – Minimum: 25.2”, Maximum: 39”
  • Capacity – 330 CFM
Moisture Removal Mode

It can reduce excess humidity from the air, drawing an estimated 3.3 pints of moisture per hour to ensure that regardless how much moisture gathers, mold won’t have a chance of developing as an estimated 79.2 pints are removed per day. Its particularities are:

  • Antimicrobial Filter – Removes contaminants like fungus, mold spores, and bacteria
  • Auto Restart – In case of a blackout, it automatically restarts with the previous settings when the power returns
  • Slide-Out Chassis – Grants easy maintenance as you can slide it out from the window or wall

Use the included remote control to switch through the multiple integrated features as you like and create the best living environment for you. There is a 24-hour timer that lets you set exactly when it should start and for how long it should run so that you return from work to find your ideal temperature. Furthermore, it is fitted with an intuitive LCD display that lets you know on what settings it runs at that moment.


Top 9 Comparison

Photo Vertical Window Air Conditioners Price
Friedrich Chill Series CP12G10B Image
Best Overall
1. Friedrich Chill Series CP12G10B
  • Thermal capacity: 12,000 BTUs
  • Maximum area coverage: 550 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: Automatic air sweep louvers, Automatic restart, Anti-microbial filter, EntryGuard anti-intrusion protection, 24-hour timer, Money Saver technology , Check filter alert
  • Remote control:
  • Dimensions: 15” x 23.6” x 22”
Check Price at Amazon
Frigidaire FFRS1022R1 Image
Best for Moisture Removal
2. Frigidaire FFRS1022R1
  • Thermal capacity: 10,000 BTUs
  • Maximum area coverage: 450 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: Anti-bacterial filter mesh, Sleep mode, 24-hour timer, Temperature control
  • Remote control:
  • Dimensions: 23.5” x 14.5” x 20.2”
Check Price at Amazon
Koldfront WAC10002WCO Image
Our Choice
3. Koldfront WAC10002WCO
  • Thermal capacity: 10,000 BTUs
  • Maximum area coverage: 450 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: LED filter indicator light, Sleep mode, Energy saver mode, Electronic touch controls
  • Remote control:
  • Dimensions: 14.6” x 19” x 21.4”
Check Price at Amazon
PerfectAire 3PASC10000 Image
Most User-Friendly
4. PerfectAire 3PASC10000
  • Thermal capacity: 10,000 BTUs
  • Maximum area coverage: 450 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: Electronic controls, 24-hour timer, Automatic restart, Tilt-out air filter
  • Remote control:
  • Dimensions: 23.5” x 14.5” x 20.5”
Check Price at Amazon
Frigidaire FFRS0822S1 Image
Best for Apartments
5. Frigidaire FFRS0822S1
  • Thermal capacity: 8,000 BTUs
  • Maximum area coverage: 350 sq. ft.
  • Fan speeds: 2
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: Electronic controls, Sleep mode, 24-hour timer, Anti-bacterial mesh filter
  • Remote control:
  • Dimensions: 14.2” x 23.5” x 20.2”
Check Price at Amazon
Friedrich Chill Series EP08G11B Image
Best for Year-Round Use
6. Friedrich Chill Series EP08G11B
  • Thermal capacity: 7,500 BTUs
  • Maximum area coverage: 350 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 4-way
  • Features: Automatic restart, EntryGuard anti-intrusion protection, 24-hour timer, Automatic oscillating louvers, Washable anti-microbial air filter
  • Remote control:
  • Dimensions: 16-7/8″ x 25-1/2″ x 30-5/16″
Check Price at Amazon
Friedrich Chill CP06G10B Image
Best for Air Circulation
7. Friedrich Chill CP06G10B
  • Thermal capacity: 6,000 BTUs
  • Maximum area coverage: 250 sq. ft.
  • Fan speeds: 3
  • Operating modes: 2
  • Air direction control: 4-way
  • Features: Money Saver technology , Washable anti-microbial filter, Automatic restart, Automatic swing louvers, Push-button controls, Programmable timer
  • Remote control:
  • Dimensions: 12.3” x 15.4” x 18.6”
Check Price at Amazon
hOmeLabs HME020003N Image
Budget Pick
8. hOmeLabs HME020003N
  • Thermal capacity: 5,000 BTUs
  • Maximum area coverage: 150 sq. ft.
  • Fan speeds: 2
  • Operating modes: 2
  • Air direction control: 2-way
  • Features: Anti-bacterial filter, 7 selectable temperature settings
  • Remote control:
  • Dimensions: 16” x 12” x 15.4”
Check Price at Amazon
Keystone KSTAW05B Image
Best for the Money
9. Keystone KSTAW05B
  • Thermal capacity: 5,000 BTUs
  • Maximum area coverage: 150 sq. ft.
  • Fan speeds: 3
  • Operating modes: 3
  • Air direction control: 2-way
  • Features: Energy saver mode, Sleep mode, 24-hour timer, LED display, Electronic controls, Automatic restart
  • Remote control:
  • Dimensions: 21.5″ x 19″ x 14.6″
Check Price at Amazon

How To Install


You will be thoroughly pleased to know that you don’t have to be a professional to know how to use and install it. If you make sure that you know what the exact measurements of your window are, you will find it very easy to fit it according to your needs. This means that you don’t have to pay extra for a professional.

Step 1 – Open the window as wide as possible in order to have enough room to move around as you need to. Then, place the AC at the bottom of the window so you prevent injuries.

Step 2 – Slide the window down until it makes contact with the AC. Please make sure that it’s tight enough so the system is securely fit into the position and there’s not a wide gap between the fan and the window. Then, you should level the AC using shims. Remember that you need to have a slight lean down toward the outside so it drains properly.

Step 3 – Add the installation hardware that helps to support it and seal around the window. You have to use a high-quality sealer as you want to make it weather-proof as much as possible.

Step 4 – In case the AC is heavy, you should add additional support like brackets that you preferably position on the outside.


How To Prevent Mold In Window Air Conditioner


The good news is that it’s quite easy to tell when mold has grown into the AC, so there’s no risk of it being spread into the air for too long. Even if you don’t see it, you will immediately smell it for sure as it leaves a musty scent that is atypical for indoor spaces. You are likely to even experience immediate reactions to the mold contamination, including shortness of breath, itchy skin, irritated eyes, and wheezing. To prevent mold from becoming an issue, you should proceed as follows:

Humidity Control – All of the models mentioned in this review are designed with humidity control. This option ensures that the ACs have full control over the humidity in the air. The less moisture in the air, the less the chances of it developing mold.

Auto Mode – As the majority of the models are energy-efficient, you don’t have to unplug the AC when you’re going on vacation. Use the auto function to allow it to circulate the air in your home even when you are gone. Once it has detected too much moisture in the air, the air will be circulated at a higher speed to prevent the temperatures from rising.

Regular Maintenance – Keeping the AC clean is important regardless of the season. Due to it being warm and dark in the inside, it’s the perfect environment for mold. If you clean it regularly, you’re preventing the mold spores to ever attach to the unit. Carefully clean whenever you see signs of water build-up or signs of mold.


Conclusion


Just because the window is differently shaped, it doesn’t mean that you cannot install an air cooling system as here we have provided you with the best AC systems for awkward-shaped windows, systems that are viable for vertical installation. Our selections are powerful and cater to different sized living spaces, but what they all have in common is qualitative, energy-efficient operation. Before we end and you make up your mind, we recommend you stick with us for one last quick recap of the best options available on the market at the moment.

Best vertical window air conditioner on the market: Friedrich Chill Series CP12G10B

Our top entry is suitable for any residential use, but light commercial purposes as well seeing how it actually covers spaces up to 550 sq. ft. thanks to the 12,000 BTUs of cooling power it employs. Don’t be fooled by this functional prowess as it is actually quite an energy-saving entry, the Money Saver mode you can operate it on ensuring proper air circulation and maintaining a pleasant ambiance indoors at minimum costs.

Evidently, it excels when it comes to functional complexity as it basically replaces the need for a dehumidifier as it can remove upward to 3.3 pints of moisture from the air each hour, ensuring an inhospitable environment for mold development. Other highlights include full control over its operation as the louvers are automatic and it is fitted with a programmable timer that enables you to pick when and for how long it runs.

Editor’s choice: Koldfront WAC10002WCO

As a company that sits at the forefront of production of AC systems, this Koldfront entry drew our attention as aside from quality build ensured by the legacy it brings with the name, it is tailored with all of the latest features an AC can come with, including automatic thermostat control that enables it to operate in an energy-efficient manner to upkeep the temperature setting you select. There are quite a few operating modes to pick from as well, so tailoring it to your needs at any given moment is a cinch.

Best vertical window air conditioner for large areas: Frigidaire FFRS1022R1

If you have a large area that needs to be cooled down fast, this is an excellent product to consider. With a capacity of 10,000 BTUs, it will easily bring down the temperature in a large-size room of up to 450 sq. ft. The fully programmable operation means that you can adjust it according to your particular needs. Additionally, you can allow it to work throughout the day and night as it has an energy-efficiency ratio of 10.4. Hence, you won’t see considerable differences in your energy bill.

Best vertical window air conditioner for air circulation: Friedrich Chill CP06G10B

It is fitted with an antimicrobial filter that eliminates airborne contaminants like pollen, dust mites, and bacteria. In addition to this, if safety is a major concern you should know that it has been designed with an EntryGuard that offers anti-intrusion protection. However, what truly makes it shine is the air circulation it provides, which is amped to maximum efficiency when used on the fan-only mode, ensuring that stale air won’t ever be an issue to worry your mind with again.

Most user-friendly vertical window air conditioner: PerfectAire 3PASC10000

Providing multiple operating modes that include, auto mode, dry mode, fan, and cooling, all presented in an intuitive manner so that you can easily pick between them, this entry makes for the most user-friendly option at the moment. On the auto mode, which is the most convenient to use by far, it adjusts the operation to how the conditions in the room currently present themselves, automatically adjusting the speeds accordingly.

Logan Hewitt
Logan Hewitt
Logan was born and raised in Bakersfield, California, one of the most affected American cities by pollution, experiencing firsthand the phenomenon’s dangers. He worked in retail for a small electronics shop for 5 years, where he had his first experience with air purifiers. With his interest in technologies that are meant to improve life quality and the technical skills he gained with the passing of time, Logan is able to provide readers with in-depth analysis of life-changing devices.