If you’re looking for a cooling solution that doesn't involve any complicated installation or renovation, then a portable air conditioner is an excellent option to consider. With a 12000 BTU portable air conditioner, you can cool a room up to 400 square feet with ease. However, before purchasing one, there are a few factors that you need to consider.
Firstly, look at the noise level of the unit. Some portable air conditioners can be quite noisy, which can be annoying for you and other people around you. Secondly, look at the energy efficiency of the unit. Portable air conditioners can use a lot of electricity, so find one that has a good energy rating. Finally, ensure the unit comes with a warranty and has good customer service in case something goes wrong.
If you're still unsure whether a 12000 BTU portable air conditioner is the right option for you, consider the following questions: Are you renting your property or don't have central air conditioning? Are you looking for a cooling solution that you can move between rooms? Do you struggle to sleep in hot and humid weather? If the answer to any of these questions is yes, then a portable air conditioner is a great solution.
In conclusion, a 12000 BTU portable air conditioner is an excellent choice for anyone looking for a cooling solution that doesn't require any permanent installations. Consider the above-mentioned factors before purchasing a unit, and ask yourself the right questions to determine if it's the right choice for you and your home.
10 Best 12000 Btu Portable Air Conditioner
This product is ideal for cooling a room, reducing humidity and improving ventilation.
This product is ideal for cooling and dehumidifying rooms up to 550 sq.ft, with remote control and smart home integration.
Ideal for cooling, dehumidifying, and air circulation in small to medium-sized rooms with a portable design.
It's ideal for cooling and dehumidifying small to medium-sized rooms or areas, providing a comfortable environment during hot weather.
This product is ideal for cooling a room while reducing humidity, with added features such as fan mode and remote control.
Ideal for cooling, dehumidifying, and fan functions in spaces up to 500 sq. ft, with convenient smart features and remote control.
The product is ideal for cooling and dehumidifying small rooms up to 275 square feet with remote control and smart home integration.
This portable air conditioner is ideal for cooling rooms up to 400sq.ft with low noise levels.
Ideal for cooling, dehumidifying, and circulating air in small to medium-sized rooms. Offers remote, smart app control, and easy installation.
The product is ideal for cooling a room up to 550 sq. ft. and comes with a remote control and easy installation kit.
1. Homcom Portable 12000 Btu Air Conditioner.
Introducing the versatile and efficient Portable AC Unit, the perfect solution for all your cooling needs. With four modes to choose from, including cooling, dehumidifying, ventilating, and sleeping, this portable air conditioner is ideal for use in different types of heat and at different times of the day.
Despite its powerful performance, the Portable AC Unit boasts a compact design that can fit into smaller areas with ease. Plus, the four swivel wheels on the base make it easy to move from room to room. With a refrigerant R410A and 12000 BTU capacity, it delivers instant cooling that can cover a room area of 194-270sq.ft.
The 24-hour timer is a helpful feature that allows you to set it to a specific running time, which is perfect when you're going to sleep and trying to save electricity. Additionally, the room air conditioner automatically cuts off when the tank is full to prevent water from overfilling and damaging your floor.
Controlling the Portable AC Unit is a breeze with the convenient remote control. Powered by 2 x AAA batteries (not included), you can adjust the settings from across the room. The removable air filter is also easy to clean, ensuring that the air that circulates around stays fresh and clean for hygiene.
For those who prefer to know the technical details, the Indoor AC Unit Information provides all the necessary parameters and specifications. The overall dimension is 17.75''L x 14.25''W x 29.75''H, and it operates on a voltage of 110-120V/60Hz. Please note that it can only be used for sliding door windows, and the exhaust hose is required to connect inside and outside during installation. If the room AC unit cannot be cooled, stand for 24 hours before turning it on.
2. Aigostar Smart Portable Ac: Cool, Dehumidify, Control Easily.
The Aigostar Portable Air Conditioner is a powerful and efficient cooling solution for any room up to 450 square feet. This 4-in-1 machine combines cool, fan, dehumidifying, and sleep modes to cater to all your ventilation needs. With its quick and easy installation process, you can enjoy cool and fresh air in no time.
Controlling the Aigostar Portable Air Conditioner is a breeze with the AigoSmart App. You can easily start or stop cooling, change the mode, or set timing and temperature from anywhere. If you prefer, you can also use the intuitive LED screen panel, wireless remote control, or voice control with Amazon Alexa or Google Home. This feature is especially great for pet owners who want to ensure their furry friends are comfortable while they're away.
The ASHRAE rated 12000 BTU cooling power of this portable ac air conditioner ensures that your living space stays cool and comfortable. Its automatic vertical swing design circulates air evenly and avoids hot spots, while the bucketless, self-evaporating operation keeps your living space clean without the hassle of frequent drains. This feature also makes it an economical and environmentally friendly choice.
Safety is also a top priority with the Aigostar Portable Air Conditioner. The child lock function prevents accidents, ensuring that your little ones are safe around the unit. The 24-hour preset timer also provides thermostatic control for long unattended nights, making it quiet and comfortable without worrying about electricity bills.
The Aigostar Portable Air Conditioner is also easy to clean. The removable and reusable air filter protects your home and living space from dust and pet hair. The four castor wheels make it easy to move the unit from place to place, and the included hose and window adapter make installation a breeze. Anyone can assemble and install this unit without the need for extra tools.
The Aigostar Portable Air Conditioner comes with a 1-year warranty and lifetime expert tech support and customer service. If you have any problems, their friendly and knowledgeable team is available 24/7 to help you out. Overall, the Aigostar Portable Air Conditioner is a smart and reliable choice for anyone looking for a cooling and ventilation solution for their home, office, or any living space.
3. Coby Cbpac815 3-In-1 Ac Unit, Dehumidifier & Fan, 12,000 Btus Portable-Air-Conditioners, White
The COBY 12,000 BTU (ASHRAE 128) 8,150 BTU (SACC/CEC) portable air conditioner is a reliable and efficient option for cooling indoor rooms up to 550 square feet. Measuring at 16.7" x 14.7" x 28.9", this air conditioner creates cool, free-flowing air that can help alleviate the discomfort brought by hot weather.
This 3-in-1 air conditioner, dehumidifier, and fan is designed to keep you comfortable in any climate. With 3 cooling and 3 fan speeds, you can easily adjust the settings to suit your preferences. This unit also features a 24-hour timer, auto water evaporation, electronic controls with LED display, and remote control, making it an impressive option for those who want convenience and functionality.
This COBY air cooler also offers easy mobility, thanks to its four casters and two side handles, allowing you to move it from one window to another with ease. Weighing 62.5 lbs., this portable air conditioner is perfect for hot weather seasons where you need to cool down different areas of your home.
The installation kit of this air conditioner dehumidifier includes a vent and window outlet, making it easy and hassle-free to install in any room. This means you can enjoy cool air in minutes, without the need for additional installation costs.
4. Honeywell 12,000 Btu Portable Air Conditioner With Dehumidifier And Fan, White
Looking for a portable air conditioner that's both compact and powerful enough to cool a room up to 550 sq. ft.? Look no further than this top-rated model, which offers fast, efficient cooling wherever you need it.
Thanks to its high-performance cooling capabilities, you'll save money on your electricity bills while enjoying a more comfortable living or working environment. And with a brand you can trust, you can rest easy knowing that you're investing in a quality product that will provide peace of mind for years to come.
Installation is a breeze, too—the included exhaust hose and window bracket make it easy to set up your new portable air conditioner as soon as you unbox it. And with thermal overload protection and dual dust filtration, you can be sure that your unit will stay clean and perform at its best for years to come.
One of the standout features of this portable air conditioner is its incredibly quiet operation. At only 50 dBA on its highest setting, it's one of the quietest PACs in its class, making it perfect for use in bedrooms or other areas where you need to get a good night's rest.
Finally, the elegant mirage display ensures easy readability, while the included remote control allows you to adjust settings from anywhere in the room. So if you're looking for a top-quality portable air conditioner that's both powerful and easy to use, this model is definitely worth considering.
5. Serenelife Portable Ac: 3-In-1 Cooling Solution
The Serene Life Portable Air Conditioner System is a lightweight and sleek unit designed to provide cooling comfort anywhere it is needed. It is perfect for use in the bedroom, living room, garage, or office. The unit features rolling wheels that make it easy to move around, giving you the flexibility to use it wherever you desire.
This compact floor AC Indoor Cooler conditioning unit is easy to operate with a simple electric plug-in operation and offers three modes of operation: cooling, dehumidifier, and fan. With the automatic swing mode and moving wind vent, the unit ensures maximum air circulation for effective cooling.
One of the great features of this portable AC is that it has a built-in dehumidifier that not only provides cooling comfort but also helps reduce humidity levels. This feature is not only beneficial to your health but also helps you save on space and financial costs.
The digital touch button control panel includes power, mode, timer, temperature, and fan speed settings, making it easy to adjust the unit to your desired comfort level. The included remote control allows for convenient adjustments to be made from across the room, making it even easier to use.
With a 12,000 BTU cooling power, 1150W rated power, and air flow rated at 290 M3/hr, this unit can cool a room up to 550+ square feet. Additionally, it has a moisture removal/dehumidifier capacity of 1.8 liters/hour, with an operating noise level of only 56 dB.
6. Portable Climate Control For Any Space
The VAGKRI High Power Air Conditioner is an exceptional cooling device that boasts a compact and multi-functional humanized design. With a maximum airflow of 370 m³/hour, this air conditioner can cool down a room of up to 500 square feet in an instant. Equipped with a 3-in-1 function, this portable air conditioner can be used all year round as an air conditioner, dehumidifier, and fan to provide a healthy and comfortable environment.
With built-in internal temperature sensor, the Smart Mode feature enables the unit to automatically run in Cool or Fan mode based on the room temperature. The Sleep Mode maintains an optimal temperature in low speed, allowing you to have a suitable temperature for relaxation and all-night sleep during hot summer nights. This feature is not only powerful but also money-saving.
The VAGKRI Air Conditioner is designed to provide wide-angle airflow with an auto-swing function that cools down your room in all directions. The angle can be freely adjusted, and the air flows evenly in the entire room to ease you and your family. You can personalize your dream cool temperature with 3 fan speeds (High/Low/Auto) and a wide temperature range from 64 to 90°F in 1°F increments.
This portable ac unit is fully equipped with an easy-to-read LED panel, a full-function remote control, and 24h timer switch. The remote control distance is as far as 23 ft, allowing you to easily control the ac unit through the remote control anywhere in the room.
Designed to fit most sash windows or hung sash windows, all window accessories are included in the purchase to ensure simple installation. If you have tilting windows (open downwards/upwards/inwards/outwards), contact VAGKRI separately for a free universal window seal.
The VAGKRI air conditioner enjoys convenient movement by omni-directional rolling wheels and a hidden side handle. Its space-conscious design and smooth sliding casters maximize its mobility to move from door to door and cool any place you want. The compact size allows this ac unit to be easily stored when summer ends, suitable for placing in the closets of living room, bedroom, dorm, apartment, and basement, and more.
The air filter of this air conditioner can be slid out easily and cleaned with warm water and detergent for its optimal performance. Make sure the air filter is completely dry before reinstalling. If there are any missing parts, contact VAGKRI, and they will ship them to you as soon as possible.
7. Midea Portable Ac With Alexa Voice Control
The Midea Portable Air Conditioner is a SmartCool device that promises to bring fast and effective cooling to any space up to 275 sq. ft. It offers fan and dehumidification functions, making it a perfect addition to any home, bedroom, office, or cabin. With an ASHRAE rating of 12,000 BTU (6,500 BTU using the 2017 SACC standard), this portable AC promises to create a comfortable and relaxing environment.
One of the best features of this portable air conditioner is its Wi-Fi enabled and voice control capability. You can control the device from anywhere using the SmartCool smartphone app. You can switch modes, set schedules, and more. You can even pair the AC with Alexa or Google Assistant, and the unit will respond to voice commands, making your home cool and comfortable without any hassle.
The Midea Portable Air Conditioner has an easy-to-use digital control system with an LED display that makes operation effortless and comfortable. It comes with a compact remote control that includes batteries, allowing you to set the time, temperature, and mode from across the room. Its 24-hour adjustable timer can cool a room to a temperature between 62 F-90 F and has three modes to choose from – cooling, dehumidification, and fan only.
Installation of the Midea Portable Air Conditioner is a breeze. You can roll the device to the preferred cooling area, attach the 5ft hose and adjustable window brackets (fits openings from 26.5-48“), turn the unit on, and let the cooling begin. It comes with an exhaust hose and window kit, and no extra tools are needed for assembly. The installation instructions are simple and can be followed by anyone.
The Midea Portable Air Conditioner also features a washable air filter that provides clean cool air while protecting your family and living space from dust and pet hairs. The filter is removable and reusable, and we recommend cleaning it every week of operation to extend the life and performance of the unit.
8. Whispercool Portable Ac: 4-In-1 Comfort Solution!
This portable air conditioner is a versatile unit that provides efficient cooling, dehumidification, and fan functions. It comes with three adjustable speeds, allowing you to customize the cooling intensity to your preference. Additionally, it has a sleep mode that gradually increases the temperature by 2℉ every hour for a more comfortable sleep environment.
The air conditioner has a user-friendly front temperature display panel that can be switched between Fahrenheit and Celsius. It also features a 24-hour timing function and two control modes – remote control and control panel – for added convenience. The louver automatically swings between 15-75°, helping to distribute cool air evenly throughout the room.
Operating at a sound level of less than 53dB, this 12000BTU air conditioner can cool a room of up to 400sq.ft. Its detachable and washable air filter effectively keeps out dust and hair, ensuring that you always breathe in fresh and clean air.
The air conditioner is designed with portability in mind, featuring casters and a handle that make it easy to move from room to room. It is suitable for installation on double-hung or sliding windows, providing a flexible cooling solution for any space.
This air conditioner comes with some special functions that enhance its performance. The self-evaporation system reduces the need for water pipes, making it more efficient. The automatic restart function ensures that the unit will restart three minutes after a power outage, while the low ambient temperature automatic defrosting function prevents frost buildup during operation.
If you have any questions about this air conditioner, the manufacturer provides excellent customer service. They are available to respond to inquiries within 24 hours, ensuring that you have a positive experience with their product.
9. Ivation Wi-Fi Portable Air Conditioner: Smart & Cool!
The All-in-One Wi-Fi Enabled Air Conditioner, Dehumidifier & Fan is the ultimate indoor comfort solution for any Android or Apple device owner. With the free My Ivation App, users can easily monitor and adjust temperature, mode, fan speed, timer and more, with just a few taps on their smartphone.
This high-capacity unit delivers 12,000 BTU/Hr [ASHRAE Rating] & 8,000 BTU/Hr [SACC Rating], making it perfect for rooms up to 450 Sq/Ft, including living rooms, bedrooms, kitchens, offices, RVs, or studio apartments. Its versatile settings allow users to cool, dehumidify, and circulate air, ensuring that they stay comfortable all year round.
The air conditioner boasts an extremely portable freestanding design. It is lightweight and compact, with omni-directional wheels, built-in carry handles, and manual and continuous drainage options. The 59” extendable single-hose exhaust can be installed in a window via the provided panel assembly, which can be adjusted from 26.5” to 50”. This means that users can enjoy a cool, comfortable room without having to sacrifice their view.
The unit features an easy-read LCD display and comes with a bonus remote that allows for simple operation. The onboard digital control panel has power on/off, mode selection, up/down temperature, fan speed, timer, swing on/off, and current temperature options. The Wi-Fi status light also lets users check connectivity at a glance.
Energy efficiency and safety are top priorities with this air conditioner. It has lower power consumption and state-of-the-art safety features, including rear cord storage hook, automatic compressor, integrated frost, thermal, and overflow protection. It is easy to install, move, maintain, and track all your Ivation smart devices, giving users priceless peace of mind.
10. Airo Comfort Portable Ac: Stay Cool Anywhere!
Introducing the Airo Comfort Portable Air Conditioner, the perfect solution to keep your room, bedroom, apartment, or office comfortably cool during hot and humid weather. With its powerful 12,000 BTU unit, it can cool approximately 550 sq. ft., making it perfect for small apartments or large rooms.
This innovative air conditioning unit is easy to use and its many functions are intuitive and straightforward. The clear and elegant LED display can be turned on or off for sleeping, and it features a digital touch button that allows you to easily control the timer, model, speed, and power functions without any hassle.
The Airo Comfort Portable Air Conditioner has an impressive air circulation system that includes oscillating vents, which help direct airflow to where you need it most, and a powerful internal system that purifies air as it passes through. This technology ensures that your home or office stays cool and fresh, without the noise that commonly accompanies other air conditioning units on the market.
Not only does this modern floor air conditioner work as a cooling device, but it also functions as a fan and dehumidifier. It offers a 3-in-1 operation, ensuring a humidity-free, cool environment for maximum comfort.
The Airo Comfort Portable Air Conditioner is easy to install and move, and all accessories are included in the packaging. Clear instructions and drawings help you install the unit quickly and without the need for special tools. The unit also has wheels, making it easy to move around any room that is window accessible.
Best 12000 Btu Portable Air Conditioner FAQs
Can a 12000 BTU portable air conditioner cool multiple rooms?
A 12000 BTU portable air conditioner is typically designed to cool a single room with an area of up to 550 square feet. However, it is possible for it to cool multiple rooms if the rooms are not too far apart and the layout of the house allows for good air circulation. In this case, you may want to position the portable air conditioner in a central location that is accessible to all the rooms you want to cool. You can then use fans or other means to circulate the cool air from the air conditioner throughout the rooms.
It is important to note that the effectiveness of the portable air conditioner may be reduced if it is used to cool multiple rooms. This is because the cool air will be dispersed over a larger area, making it less concentrated in each room. Additionally, if the rooms are not well-insulated or have too many windows, the air conditioner may struggle to maintain a comfortable temperature. In such cases, you may need to consider using multiple air conditioners or a larger unit to cool your entire home.
How do I properly maintain my 12000 BTU portable air conditioner?
Proper maintenance of your 12000 BTU portable air conditioner is essential to ensure that it operates efficiently and lasts longer. Here are some tips on how to maintain it:
1. Regularly clean or replace the air filter. A dirty air filter can reduce the airflow and efficiency of the air conditioner.
2. Clean the condenser coils at least once a year. Dirty coils can cause the air conditioner to work harder and reduce its lifespan.
3. Check the water tank regularly and empty it when necessary. A full water tank can cause the air conditioner to shut off or malfunction.
4. Keep the air conditioner away from direct sunlight and heat sources. This can cause the unit to overheat and reduce its efficiency.
5. Store the air conditioner properly when not in use. Clean it thoroughly and cover it with a protective cover to prevent dust and debris from accumulating.
By following these maintenance tips, you can ensure that your 12000 BTU portable air conditioner operates efficiently and provides cool air for many summers to come.
How long does a 12000 BTU portable air conditioner last?
The lifespan of a portable air conditioner, including a 12000 BTU unit, depends on various factors such as the quality of the unit, frequency of use, maintenance, and environmental conditions. Generally, a well-maintained portable air conditioner can last for about 5-10 years. However, it's important to note that portable air conditioners have a shorter lifespan compared to central air conditioning systems.
To ensure that your 12000 BTU portable air conditioner lasts for as long as possible, it's important to follow the manufacturer's maintenance instructions. This includes regularly cleaning or replacing air filters, cleaning the condenser coils, and ensuring that the unit is stored in a dry and cool place when not in use.
Additionally, using the unit within its recommended operating conditions can also help extend its lifespan. Overworking the unit or exposing it to extreme temperatures can cause premature wear and tear.
If you're considering purchasing a 12000 BTU portable air conditioner, it's important to invest in a high-quality unit from a reputable manufacturer to ensure longevity and reliability.
What are the features of the best 12000 BTU portable air conditioners?
The best 12000 BTU portable air conditioners come with a range of features that make them effective at cooling a room of up to 400 square feet. Some of the most important features to look for in a portable air conditioner include a programmable thermostat, multiple fan speeds, and a timer. These features allow you to customize your cooling experience and save energy by only cooling the room when you need it.
Additionally, the best portable air conditioners should also have a dehumidifier function, which helps to remove excess moisture from the air, making it more comfortable to breathe. An adjustable air vent is also important, as it allows you to direct the airflow where it is needed most.
Finally, a good portable air conditioner should be easy to install and move from room to room. Look for models with castor wheels for easy mobility and a window installation kit that includes everything you need to set up the unit quickly and easily.
What are the top-rated 12000 BTU portable air conditioners?
When it comes to portable air conditioners, the 12000 BTU units are among the most popular due to their ability to cool a medium-sized room effectively. There are several top-rated 12000 BTU portable air conditioners available on the market. Here are some of the most highly recommended options:
1. Whynter ARC-122DS Elite Portable Air Conditioner: This unit is known for its quiet operation, energy efficiency, and dual-hose design that maximizes cooling efficiency.
2. LG LP1217GSR Portable Air Conditioner: This model is praised for its sleek design, quiet operation, and user-friendly controls. It also has a dehumidifying feature to remove excess moisture from the air.
3. Honeywell HL12CESWK Portable Air Conditioner: Honeywell is a trusted brand in home appliances, and this portable AC is no exception. It has a sleek design, easy-to-use controls, and a built-in dehumidifier.
4. Black+Decker BPACT12WT Portable Air Conditioner: This unit is budget-friendly and easy to set up. It also has a compact design that makes it easy to move from room to room.
Ultimately, the best 12000 BTU portable air conditioner for you will depend on your specific needs and preferences. Be sure to read reviews and compare features before making a purchase.
What is the best brand of 12000 BTU portable air conditioners?
There are several top brands that manufacture portable air conditioners with 12000 BTU cooling capacity. Some of the best brands in the market are Honeywell, LG, Whynter, Friedrich, and Black + Decker. Honeywell portable air conditioners are known for their quiet operation and energy efficiency. LG offers a wide range of portable air conditioners with advanced features such as Wi-Fi connectivity and voice control options. Whynter and Friedrich are known for their durable and long-lasting designs, while Black + Decker offers affordable and easy-to-use portable air conditioners.
Ultimately, the best brand for you may depend on your specific needs, budget, and preferences. It is recommended to research each brand and read customer reviews before making a purchase. Additionally, it is important to consider factors such as noise levels, energy efficiency, and ease of installation and maintenance when choosing the best portable air conditioner for your home or office.
What is the price range for high-quality 12000 BTU portable air conditioners?
The price range for high-quality 12000 BTU portable air conditioners may vary depending on the brand, features, and additional functions. Typically, the cost of these air conditioners starts from $350 and can go up to $800 or more. Some factors that can affect the price are the quality of the materials used, the energy efficiency rating, the noise level, the cooling capacity, and the presence of additional features such as air purifiers or dehumidifiers. It is important to note that while cheaper models may seem more budget-friendly, they may not be as energy-efficient, durable, or effective in cooling larger spaces. It is recommended to research and compare different brands and models before making a purchase to ensure that you get the best value for your money.
What is the quietest 12000 BTU portable air conditioner on the market?
When it comes to finding the quietest 12000 BTU portable air conditioner, there are several options available in the market. However, one of the best options is the LG LP1217GSR Portable Air Conditioner. This model is designed with a low noise level of only 53 decibels, which is equivalent to a quiet conversation. It features a dual inverter compressor that helps to reduce noise and provide efficient cooling. Additionally, it has an auto-evaporation system that eliminates the need for a water tank, making it even more convenient to use. Another option to consider is the Honeywell CO30XE Portable Air Conditioner. It has a noise level of only 49 decibels, making it one of the quietest models available. It also has a sleek design and features an automatic evaporation system, making it easy to maintain. Overall, both of these models are great options if you're looking for a quiet 12000 BTU portable air conditioner.
Which 12000 BTU portable air conditioner has the best cooling performance?
There are many portable air conditioners in the market with varying cooling capacities. However, when it comes to finding the best 12000 BTU portable air conditioner with the best cooling performance, different factors such as brand, price, features, and customer reviews come into play.
After researching and analyzing various options, the LG LP1217GSR portable air conditioner stands out as one of the top-performing models in its category. This unit delivers efficient and effective cooling performance, making it ideal for rooms up to 400 sq. ft. It features a dehumidification function that helps to remove excess moisture from the air, making your space more comfortable. Additionally, the LG LP1217GSR boasts a sleek design, is easy to install, and operates quietly, ensuring you enjoy a cool and quiet environment.
In conclusion, the LG LP1217GSR portable air conditioner is an excellent choice if you're looking for a 12000 BTU portable air conditioner with the best cooling performance. However, it's important to consider your specific needs and preferences before making a purchase decision.
Which 12000 BTU portable air conditioner is the most energy-efficient?
When it comes to selecting the most energy-efficient 12000 BTU portable air conditioner, there are a few models that stand out from the rest. One such model is the Whynter ARC-122DS. It is Energy Star rated and has an EER (Energy Efficiency Ratio) of 12. The higher the EER, the more efficient the air conditioner is, and the Whynter ARC-122DS is one of the most efficient models on the market. Another model worth considering is the LG LP1217GSR, which also has an EER of 12 and is Energy Star rated. It also features a unique oscillating air vent that helps to distribute cooled air more evenly throughout the room. Finally, the Frigidaire FGPC1244T1 is another top-performing 12000 BTU portable air conditioner with an EER of 12.5 and Energy Star certification. All three of these models offer excellent energy efficiency, so the choice ultimately comes down to personal preference and budget.