- Updated July 19, 2019
- Posted by: June Spencer
When you are searching for a window AC, besides checking for the appliance to suit the size of the room and deliver the necessary BTUs to cool or heat it, you must make sure for it to be compatible with the size of the existing window in the room as well. Evidently, a small window requires a small AC, and here we will provide you with your best picks for small-sized windows.
Top 8 Compact Air Conditioners Compared
1. Friedrich Chill CP06G10B
Small, reliable, and a real force to be reckoned with when it comes to cooling the room, the Friedrich Chill is your go-to choice if you want a compact AC. Installing it is a simple operation that you are sure to handle on your own, and it provides you with a pick between the window and thru-the-wall installation, so it is quite versatile as opposed to other entries on the market. The antimicrobial filter it comes with is washable and reusable, so it will save you money on maintenance. In order to prevent break-ins and make your home safer to live in, it features the EntryGard anti-intrusion protection. Furthermore, the company that manufactures it warrants the appliance on parts and labor for 1 year, and for 5 years when it comes to the compressor.
The white finish gives it a clean look so that it will complement the room you place it in perfectly. evidently, the aspect which interests you the most is its size, and seeing how it measures only 15.4 inches in depth, 18.6 inches in width, and 12.3 inches in height, you can truly call it a compact AC. Its dimensions make it perfect for installation on a window that measures at least 20.1 inches in width and 13.9 inches in height. When it comes to its weight, the 62 pounds it boasts might be a bit more than what this market gets you accustomed with, but it isn’t a problematic aspect as you can still handle and install it on your own.
As it outputs 6000 BTUs, you can rely on it to cool down a room of up to 250 square feet in a matter of minutes with no problem. It delivers side air discharge and features automatically sweeping louvers that provide an even distribution of the air so that the room it is placed in will be cooled perfectly. There are 3 cooling and fan speeds put at your disposal, so you can customize its operation as you please. Another customizable element is provided by the 4-way air flow control.
Mention Worthy Features and Specs
- Features a 24-hour timer that lets you customize on/off times
- Features Auto Air Sweep louvers that provide an even air distribution
- Auto restart feature saves settings in case the power is interrupted
- Comes with a remote control that enhances convenience in use
- Comes with a slide-out chassis that simplifies the installation and maintenance processes
In terms of energy efficiency, it is hard to surpass it, especially considering the fact that it is Energy Star certified specifically for its low power consumption, boasting an energy efficiency ratio of 11.2. One of the features that have earned it this prestigious certification is the MoneySaver setting which is specifically implemented to help conserve energy.
What We Like
- Relatively quiet operation – produces only 70 decibels when it runs
- Allows window or thru-the-wall installation
- Features anti-intrusion protection to keep you safe
The price tag for this product is easily explainable as it not only delivers the most reliable performance on its market, but it boasts a wonderfully compact size, a low-noise operation, and a low power consumption.
2. Frigidaire FFRA0511R1
Evidently, your main interest, besides the performance it delivers, is the design of the AC. As this Frigidaire entry measures a mere 16 inches in width by 15.25 inches in depth by 12 inches in height and weighs only 41 pounds, maneuvering it during the installation process will be a cinch. It is suitable for windows that measure 13 inches in height and span from 23 to 36 inches in width. As it delivers a cooling power of 5000 BTUs, it is best suited for rooms and spaces of up to 150 square feet, making for an ideal addition to the office or bedroom.
It might not be the most silent option out there, but it maintains quietness as long as proper maintenance is practiced, outputting only 51.3 decibels on the low fan speed setting. Speaking of, there are a total of 2 fan/cooling speed settings to pick between so that you may customize its functioning to your needs and preferences. It is able to remove up to 1.1 pints of moisture from the air per hour, which is good news for those who are dealing with high humidity as it eliminates the need for a specialized dehumidifying device up to a certain level. Even though it is not Energy Star certified, it maintains a low power consumption which is highlighted by the high 11.1 energy efficiency ratio it boasts.
Woefully, it does lack an important feature, more precisely the timer that would have added to freedom in operation customization and helped lower costs of running it. Its 2-way air direction control ensures proper and even cooling of the room so that no ‘hot spot’ exists. Its simplistic design and dial knob controls make it easy for you to run it. In terms of backing, rely on the manufacturing company to handle repair costs for 1 year on parts and labor and 5 years when it comes to the defects in the sealed system.
What We Like
- Antibacterial washable mesh filter helps enhance air quality indoors
- Auto restore of the operation at the previous settings when power is restored to it
- Side panels extend to fit the window perfectly
What We Dislike
- Some customers reported that it struggles in its operation when temperatures are very high
- Lacks the energy saving timer function
Quite reasonably priced, compact and easy to install, and delivering a fierce cooling power that makes it perfect for use in small rooms and spaces, this Frigidaire entry was bound to rank high. Add to all the aforementioned details the fact that it is manufactured by a respected brand, and you have a smart pick in front of you.
3. hOmeLabs AC-188
It is truly a reliable AC as it is able to cool a room of up to 150 square feet in only 15 minutes, all due to its ingenious design and the 5000 BTUs it outputs. It measures 15.4 inches in depth, 16 inches in width, and 12 inches in height, which makes it perfect for windows measuring at least 23 inches in width and 13 inches in height. As it weighs only 36.5 pounds, you won’t have trouble maneuvering it on your own during the installation process.
It might not be Energy Star certified, but the 11.1 energy efficiency ratio ensures that operating it won’t add too much to the utility bills either, annual expenses of running it being approximately $41. What we like the most it the fact that it puts numerous choices at your disposal, including the 7 temperature settings that ensure you can create the ideal ambiance indoors. There are 2 fan speeds and a 2-way air direction control that it provides as well to allow you to create ideal conditions.
The power cord it features measures 6 feet in length, so you won’t need extension cords. Additionally, the antimicrobial filter it features is washable and reusable, so you won’t be spending money on its replacement anytime soon. When it comes to warranty against defects, the manufacturing backs it for 2 years after the moment of the purchase.
What We Like
- Washable and reusable filter saves money on maintenance
- Puts 7 temperature settings at your disposal
- Two-way air direction control for full customization of its operation
What We Dislike
- It is not Energy Star certified
- Some users complain that it gets quite noisy
Reasonably priced, compact, and a fierce appliance that will come in handy when the warm weather strikes, the AC-188 is able to cool the room in only 15 minutes, which is an astounding feat on its own.
4. GE AHU05LY
The GE AHU05LY is one of the more simplistic entries on the market, which makes it suitable for those who are not tech savvy. With an energy efficiency ratio of 11.2, it proves to be quite an energy saver in the long run as opposed to its competitors, so you can confidently run it for as long as you want without worrying the energy bills will skyrocket. As we are reviewing compact units, it is important to mention that it is one of the smallest ACs available – it measures 16.2” in width by 11.9” in height by 16.1” in depth. Additionally, it weighs only 41 pounds, which makes it very easy for you to maneuver it during the installation process.
Its dimensions make it suitable for window openings of 12.5” in height and 27”-38” in width. It features 2 cooling speeds, low and high, and you simply press a switch button to toggle between them. When used in fan-only mode, however, there are 10 settings to pick between by simply turning the dial knob to the preferred setting.
As it outputs 5000 BTUs of cooling prowess when it runs, you can rely on it to create a pleasant indoor environment when used in rooms of up to 250 square feet. Lastly, it is backed by a 1-year warranty on parts and labor, so you are covered when it comes to repair costs during this time span.
What We Like
- 2-way adjustable louvers for customizable coverage
- 10-step dial knob customization when in fan-only mode
- Reasonably priced acquisition
Perfect to cool a small room, the GE AHU05LY is a small-size AC you won’t have any trouble using as it boasts quite a simplistic, intuitive use. With 2 cooling/fan speeds and boasting low power draw, it’s a money saver that makes the indoor habitat pleasant to be in during the hot season.
5. Frigidaire FFRE0533S1
What we can assure you from the get-go is that there are no real downsides to this product. It measures 15.3 inches in depth, 16 inches in width, and 12 inches in width, so it is appropriate for windows that measure at least 23 inches in width and 13 inches in height. It weighs 42 pounds, the light design making it easy to install. Due to the fact that it consumes little power to run, it has even received the sought-after Energy Star certification, so you can rest assured knowing that it won’t add a lot to the utility bills.
As it outputs 5000 BTUs, you can rely on it to cool a room of up to 150 square feet in no time. It even provides dehumidification capabilities, removing up to 1.1 pints of moisture per hour from the air to prevent mold growth and create proper living conditions for you. As it only produces 50 decibels when it is set on the low fan speed, it can be installed in the bedroom or nursery without there being any worries that it might present a nuisance during sleep.
It provides 4-way air direction control so that you may pick the direction of the air flow. It features a 24-hour timer that lets you program its operation as you like and helps save money. Furthermore, Frigidaire covers it with a 1-year warranty on parts and labor, and a 5-year warranty for the compressor.
What We Like
- It is able to remove up to 1.1 pints of moisture per hour
- Produces only 50 decibels on the lowest fan speed setting
- Features 4-way air direction control
What We Dislike
- Some customers find the constant cycling between on and off when the energy saving mode is activated to be annoying
- Some users find it to be a bit too slow at reducing indoor temperature
The Frigidaire ended up being our favorite entry in the top as it not only boasts a compact size and delivers a great BTU output, but because it is Energy Star certified for consuming little power to run as well.
6. Emerson Quiet Kool EARC5MD1
This 5000 BTU AC is able to cool rooms of up to 150 square feet in a matter of minutes and, in addition, it can even provide dehumidification services as it is able to remove up to 1.06 pints of moisture per hour. Thus, an overall increase in comfort and air quality will be enjoyed as a result of using it. As it measures 15.2 inches in depth, 16 inches in width, and 12.5 inches in height, you can install it on a window that measures at least 23 inches in width and 14.5 inches in height.
It allows you to pick between 8 different directions when it comes to air flow. It features 2 fan speeds and 2 cooling speeds so that you may customize its operation to your specific needs. The rotary controls it features ensure you won’t have a hard time using it. Although it is not Energy Star certified, it doesn’t consume much to run, especially since it boasts the low voltage startup that conserves energy and saves money. When there is a power outage, it restarts with the pre-selected settings.
It is extremely quiet when it runs, producing only 50 decibels on the low fan speed setting. It comes with a washable filter that saves money on maintenance and reduces odors and airborne particles. Furthermore, the manufacturing company warrants it for 1 year on labor, for 2 years on parts, and 5 years for the compressor.
What We Like
- Its low voltage startup helps save money and conserve energy
- Mechanical rotary controls ensure ease of use
- Features 8-way directional air louvers
What We Dislike
- It is not Energy Star certified
- Some users complain that it is louder than they expected
It might not be the most energy efficient entry on the market, but its compact size and overall performance make it an option worth taking into consideration, especially seeing how it comes at a great price as well.
7. Koldfront WAC6002WCO
As it boasts a 6050 BTU rating, you can rely on it to provide the ideal temperature in a room of up to 250 square feet. But this isn’t the only operational aspect that delights as it can even dehumidify, so it will ensure safe living conditions indoors. It measures 15.8 inches in depth, 19 inches in width, and 12.8 inches in height, so it is recommended for windows that measure at least 22 inches in width and 13.3 inches in height. It is Energy Star certified for its low power consumption, which comes as no surprise considering the approximate annual operational cost of $49 and its 12.1 energy efficiency ratio.
One of the functions that you will surely love using is the Energy Saver mode that cycles the fan for 2 minutes at 10-minute intervals until the ambient temperature is reached to save on operational costs. Another great function is the Sleep Mode that periodically adjusts the temperature by 2 degrees Fahrenheit for 6 hours before returning to the temperature you have set prior to activating it.
There are 3 fan speeds that you can pick between to control air flow as you please. The digital display and electronic controls add to the appliance’s ease of use. Additionally, Koldfront warrants it against defects for the first 2 years after you purchase it.
What We Like
- Produces only 51 decibels when it runs on the low fan speed
- Washable air filter saves money on maintenance
- Comes with a remote control that has a 16-foot range
What We Dislike
- Short range as opposed to other products
- Some users report that the thermostat doesn’t always work well
As it is able to not only keep an ideal temperature in the room you place it in, but it can even remove excess moisture from the air, the Koldfront is an appliance that enhances life quality, so it is indeed worth every cent.
8. Whirlpool WHAW050BW
It measures 15.3 inches in depth, 16 inches in width, and 12.5 inches in height, making for one of the most compact AC units on the market right now. However, it packs a punch despite its small size, the 5000 BTUs it delivers and 135 CFM air flow capacity making it perfect for use in rooms and spaces of up to 150 square feet where it is bound to make a considerable difference in terms of temperature reduction after only a few minutes since you run it. In addition to providing air conditioning to make the indoor environment tolerable even in the hottest summer days, it delivers dehumidification as well as it removes 1.06 pints of excess moisture per hour.
The mechanical controls endorse ease of use so that you won’t have trouble running it, and it puts 2 fan speed settings at your disposal to let you customize its operation according to your needs. It features 8-way directional air louvers that let you direct the air where you need it the most in the room. The air filter it features tackles removing impurities from the air, so you are provided a healthier air to breathe. Furthermore, the air filter is removable and washable, which makes maintenance a breeze and spares you of extra costs along the way.
After a power outage passes, due to the automatic restart function, it picks up from where it left off so that you won’t have to select your preferred settings once again. The 5’ power cord eliminates the need for extension cords. It is suitable for windows ranging in width from 22” to 35” and that measure at least 14.5” in height and the mounting kit is included with the purchase so that you won’t have to make any separate purchases. Additionally, the manufacturer has it covered on parts and labor for the first year after you buy it.
What We Like
- Able to remove up to 1.06 pints of moisture per hour
- Auto restart activates when power is lost and it comes back so that you don’t have to select your preferred settings again
- Features 8-way directional air louvers that direct the air in the direction you choose
What We Dislike
- Can get quite noisy
- Customers who owned its predecessor state that it provided a more powerful cooling
Easy to install and operate, it is able to cool areas of up to 150 square feet without much effort. With its impressive 135 CFM air flow capacity and accompanied by convenient features like the automatic restart with the preselected settings, it makes for a worthy acquisition.
DIY Window AC Installation
Now that you have your AC, it’s high time you learn how to install it as the procedure is a very simple one regardless of the model you purchase, so it would be a shame to spend money uselessly on a professional installation. What you need for the process, except for the appliance itself, evidently, are a measuring tape, a screwdriver, and the screws and brackets provided by the manufacturer in the package. Depending on the model, you might also need scissors.
- Step #1: Mark the installation spot to make your job easier by measuring the width of your window and marking its center with a marker or pencil.
- Step #2: In case a weather strip is provided in the package, you must open the window and install it as it will block the air that passes through the small cracks and prevent potential damage to the window when you install of remove the AC.
- Step #3: Attach the panels to the sides of the appliance, sliding them all the way in and securing them with the provided screws.
- Step #4: Pick up the appliance and center it in the window, after which you must tightly close the window on top of it.
- Step #5: If L brackets are included, you must screw them to the top of the opened window to prevent it from being pushed up.
- Step #6: If you have been provided with window padding for the sides of the open window, attach both sides to the window using the appropriate screws in the package.
- Step #7: In case you have been provided with brackets and screws to connect it to the interior window sill, do so as it provides an extra level of security. Once you finish with this step, you are officially done.
We might be focusing on the size of the ACs, but this doesn’t mean that we neglect their performance when it comes to cooling rooms or their efficiency when it comes to power consumption. When it comes to size, the Frigidaire FFRE0533S1 is the best pick as it is the smallest, measuring only 15.3 inches in depth, 16 inches in width, and 12 inches in height. Furthermore, it is Energy Star certified for its low power consumption, so you know that it won’t add too much to the utility bills. In terms of area coverage, the two best options in our top are the Friedrich Chill CP06G10B and the Koldfront WAC6002WCO as these appliances can be confidently used in rooms of up to 250 square feet, lowering temperatures in a matter of minutes. Evidently, they obey the same rule of having a compact size, which makes them ideal for installation on a small window.