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Best Air Conditioner Small Apartment (2025 Update)

If you’re looking for a way to keep your small apartment cool and comfortable during the summer months, an air conditioner may be just what you need. However, with so many options available, it can be difficult to choose the best one for your space. Here are some factors to consider before making a purchase:

First, consider the size of your apartment and the cooling power of the air conditioner. A unit that is too small for your space won’t effectively cool the room, while one that is too large can be both expensive to run and make the room uncomfortably cold. Second, consider the noise level of the unit. If you will be placing it in a bedroom or other quiet space, choose a model that operates quietly. Finally, consider the energy efficiency rating of the unit. While a more expensive model may have a higher upfront cost, it may save you money in the long run by running efficiently and lowering your energy bills.

Are you tired of feeling hot and sweaty all summer long? Are you looking for a way to make your small apartment more comfortable? If so, an air conditioner may be exactly what you need. But with so many options available, how do you choose the best one for your needs? Consider the size of your space, the noise level of the unit, and its energy efficiency rating before making a purchase. Read on to find out more about the best air conditioners for small apartments!

10 Best Air Conditioner Small Apartment

# Product Image Product Name Product Notes Check Price
1
The portable air conditioner is ideal for cooling, dehumidifying and circulating air in small spaces with included window mount kit.
2
Ideal for cooling and dehumidifying rooms up to 550 sq. ft with its portable, quiet, and convenient features.
3
The product is ideal for cooling, dehumidifying, and circulating air in a room efficiently while saving energy.
4
This product is ideal for cooling, humidifying, and circulating air in home or office spaces with a large water tank and timer.
5
Ideal for cooling and dehumidifying indoor spaces up to 700 sq. ft. with smart WiFi control, on wheels for easy mobility.
6
The product is ideal for cooling, heating, dehumidifying, and circulating air in rooms up to 700 sq. ft.
7
This product is ideal for cooling and dehumidifying rooms with a built-in air conditioner, fan mode, and remote control.
8
Ideal for cooling and dehumidifying rooms up to 350 sq.ft with various modes of operation and remote control.
9
Ideal for cooling and heating rooms up to 700 sq. ft. with a portable and freestanding design on wheels.
10
Ideal for cooling small spaces up to 250 sq.ft, controlling humidity levels and comes with remote control and window kit.
The portable air conditioner is ideal for cooling, dehumidifying and circulating air in small spaces with included window mount kit.
Ideal for cooling and dehumidifying rooms up to 550 sq. ft with its portable, quiet, and convenient features.
The product is ideal for cooling, dehumidifying, and circulating air in a room efficiently while saving energy.
This product is ideal for cooling, humidifying, and circulating air in home or office spaces with a large water tank and timer.
Ideal for cooling and dehumidifying indoor spaces up to 700 sq. ft. with smart WiFi control, on wheels for easy mobility.
The product is ideal for cooling, heating, dehumidifying, and circulating air in rooms up to 700 sq. ft.
This product is ideal for cooling and dehumidifying rooms with a built-in air conditioner, fan mode, and remote control.
Ideal for cooling and dehumidifying rooms up to 350 sq.ft with various modes of operation and remote control.
Ideal for cooling and heating rooms up to 700 sq. ft. with a portable and freestanding design on wheels.
Ideal for cooling small spaces up to 250 sq.ft, controlling humidity levels and comes with remote control and window kit.

1. Portable Ac: Cool & Dehumidify With Uhome

The Uhome Portable Air Conditioner is the perfect solution for cooling small rooms up to 200 sq. ft. with its powerful 8,000 BTU cooling capacity. This compact and modern unit offers 3-in-1 functionality, allowing you to choose between cooling, dehumidifying, and fan modes.

With a noise level of less than 55 dB, the Uhome Portable Air Conditioner offers quiet operation, ensuring a peaceful environment for sleeping, work, and relaxation. The cool mode provides powerful cooling during hot days, while the dehumidifier mode can remove up to 40 pints of moisture a day, reducing humidity and providing a comfortable environment. The fan mode provides two different fan speeds, circulating air to satisfy your ventilation needs.

The Uhome Portable Air Conditioner is easy to use, with an LED display and digital touch button control panel. The compact remote control (batteries included) allows you to easily adjust the operating mode, time, temperature, and fan speed. The 24-hour adjustable timer allows you to cool a room to a temperature between 60°F-86°F. The built-in rolling wheels make it easy to move the unit around your home.

The bucket-less, self-evaporating operation of the Uhome Portable Air Conditioner ensures that your living space stays cool, clean, and dry. The washable filter is designed to protect from dust and hair, extending the product's life and performance. You can effortlessly lift out the washable filter and clean it easily under a faucet for easy maintenance. It is recommended that you clean the filter every two weeks and install it on the unit after the filter is completely dry.

Installation of the Uhome Portable Air Conditioner is simple and quick, with a drain tube, window kit with adjustable window bracket, and remote included. Simply roll it into a room with a sliding window, attach the included 59” exhaust hose, and adjust the window brackets (fits openings from 37-50.2“). If you need another shorter or longer size, contact their team for assistance. Follow the instructions manual for a hassle-free installation, without the need for special tools.

The Uhome Portable Air Conditioner is ETL safety certified and comes with a color package for advanced product protection during delivery. All Uhome Portable Air Conditioner Units are covered with a 30-Days Money Back guarantee, 1 Year Warranty, and lifetime expert tech support. If you encounter any problems, their team offers 24-hour support and will help you solve the problems promptly.

2. Portable 3-In-1 Air Control Unit.

The Air Choice portable air conditioner is a powerful and efficient solution to your summer cooling needs. With a cooling capacity of 12000 BTU (ASHRAE), this air conditioner is perfect for quickly cooling rooms up to 550 sq. ft. Whether you need to cool your living room, kitchen, or garage, this portable air conditioner can do it all. Its temperature range of 62℉(17℃)~86℉(30℃) allows you to choose the perfect temperature for any situation. Additionally, the auto-swing function ensures that cool air is distributed evenly throughout the room.

Installation is a breeze with the Air Choice portable air conditioner. It is designed to be compatible with both hanging and sliding windows that range from 36" to 50" in height/length. All necessary installation kits are provided in the package, so you can install the portable air conditioner in your room without requiring any special tools or incurring additional fees. The included 4 ⅞ ft exhaust hose adds even more flexibility and convenience to the placement of your air conditioner.

Sleep soundly on hot summer nights with the Air Choice portable air conditioner. It features a sleep mode that ensures a peaceful and comfortable night's rest. Additionally, the 24-hour on/off timer allows you to set the air conditioner to turn on before arriving home, ensuring a cool and refreshing space to welcome you.

The Air Choice portable air conditioner is completely portable. With four 360° wheels and two built-in handles, it can be moved from room to room with ease. The washable filter also makes maintenance a breeze, providing a continuous supply of fresh and clean cool air throughout your home.

Dual controls make it easy to customize your comfort. The user-friendly digital control panel and compact remote control allow you to effortlessly adjust the mode, temperature, timer, swing, fan speed, and unit of measurement (℃/℉) – all from the comfort of your sofa or bed. With customizable settings and easy-to-use features, this portable air conditioner is the perfect solution for your summer cooling needs.

With its 3-in-1 functionality, the Air Choice portable air conditioner serves as a cooler, fan, and dehumidifier. Its powerful dehumidifying capabilities make it the perfect solution for hot and humid areas, leaving your space cool, fresh, and dry. And with manual and automatic drainage options included, you can rest assured that the unit will work seamlessly and efficiently. Plus, the two-speed fan is perfect for circulating air in your room.

3. Wifi-Enabled Pasapair Portable Ac: Effortless Room Cooling

The portable air conditioner with 4-in-1 design is an all-in-one solution for all your cooling needs. It comes with Bluetooth and Wi-Fi connectivity, enabling remote control of the device via an app. The device is Alexa compatible, which allows you to give simple voice commands and stay hands-free.

The air conditioner has four modes- cooling, dehumidifying, fan and sleep mode. These modes provide various options to suit different needs and preferences. The refrigeration effect of the portable AC unit helps in reducing humidity and acts as a purifier, ensuring clean air for you and your family.

The portable air conditioner features a washable double-layer filter that traps dust, pet dander and hair. Regular cleaning of the filter every two weeks of operation is recommended to ensure better performance and prevent air quality problems.

The evaporative coolers in the portable AC unit feature the environmentally friendly refrigerant R410a, which is free from Freon and other harmful refrigerants. This not only saves energy and reduces electricity charges but also helps protect the environment and reduce pollution.

The device is easy to install and move around, allowing you to roll it across the floor to any room in your house. You can also customize the 24-hour timer to improve efficiency, helping you save money on electricity bills.

4. Aircool 3-In-1 Portable Ac With Remote Control

This multifunctional 3-in-1 portable air conditioner is the perfect solution to hot and dry summers. Equipped with cooling, humidifying, and natural wind functions, this air conditioner comes with three ice crystal boxes for added convenience. The air conditioner is designed to meet your different cooling and humidification needs, enabling you to enjoy a full range of cool summer experiences.

With three modes of speed – low, medium, and high – this portable air conditioner can quickly cool air with its high-efficiency motor. The air conditioner is designed to be adjustable, allowing you to personalize the wind speed to your preference. It is important to note that the three wind speeds correspond to different volumes. The higher the wind speed, the louder the volume.

This portable air conditioner is lightweight and equipped with 360° wheels, making it easy to move around your home or office. The air conditioner has a large-capacity double water tank design, with the top water tank being easy to add water to. The water tank can be used for more than 20 hours at a time, eliminating the need for frequent refills.

The air conditioner is designed with dual controls – touch control and remote control – to bring maximum convenience. The touch control is easy to operate and read, while the remote control has an effective distance of up to 8m, allowing you to control the unit effortlessly while lying in bed or on the sofa.

This portable air conditioner is easy to use and energy-saving. There is no hose/exhaust assembly or window needed, simply take it out of the package and plug it in for cooling. The portable air conditioner is powerful, with a working power of only 60W, making it an ideal choice for a low-carbon lifestyle. It has up to 75% less electricity usage, reducing your bills while keeping you comfortable.

If you have any questions about this portable air conditioner, the manufacturer's timely after-sales service team is available to answer them within 24 hours. It is important to note that the cooler function of this portable air conditioner cannot be used without water. Therefore, before turning on the cooler function, it is necessary to add water to the portable AC.

5. Smart Portable Ac: Cool 700 Sq. Ft.

Introducing the 14000 BTU ASHRAE Air Conditioning Unit, now with a redesigned Della+ app that allows you to adjust the temperature setting from anywhere within range. Whether you're relaxing at home or busy at work, you can easily control the temperature of your living space without having to get up from your seat.

Designed for indoor use, this portable air conditioning unit is perfect for cooling down any room in your home, be it a bedroom, living room, apartment, condo, or office. With its smart controls, you can conveniently adjust the temperature on the go using the user-friendly DELLA app. This feature makes it effortless to cool your space when you're on your way home, and even more convenient for times when you forget to shut things off before leaving the house.

With its powerful 14000 BTU cooling capacity, this freestanding fan can effectively cool down spaces up to 700 square feet. Additionally, it also has dehumidifying capabilities which help to reduce the humidity levels in your space. This is particularly useful during warm weather days or in rooms with poor ventilation.

Please note that this item is not for sale in California. However, it is perfect for anyone looking for a portable air conditioning unit that is easy to control and ideal for any space. With its innovative design and smart controls, this air conditioning unit will provide you with the ultimate comfort and convenience that you deserve.

6. Wifi Control Ac: 4-In-1 Portable Powerhouse

Introducing the powerful and versatile Portable Air Conditioner and Heater, perfect for cooling and heating your living room, bedroom, apartment, or office. With an efficient compressor that delivers a cooling capacity of 14,000 BTU (9500 BTU SACC) and a heating capacity of 11,000 BTU, this machine can supply cool air to an area of up to 700 square feet and hot air to an area of up to 500 square feet. It can maintain temperatures from 61°F to 90°F with a variety of controls, making it suitable for use in both hot and cold weather.

With the Smart WIFI Control feature, you can easily control your portable air conditioner from anywhere using the app. You can adjust the temperature, switch modes, fan speed, and set timer time with the touch of a button. You can even turn on your mobile air conditioner before you get home in the hot summer and enjoy the cool air as soon as you arrive.

The machine has an air outlet baffle with automatic swing function that can swing up and down 80° to distribute the cold air evenly and cool your room at the fastest speed. This feature improves the efficiency of the machine and provides a comfortable breeze that makes you feel at home.

The Portable Air Conditioner and Heater has 4 personalized function modes to meet your different needs – cooling, heating, dehumidifying, and fan. It also has a built-in temperature sensor that adjusts the compressor operation according to the current temperature environment to reduce energy consumption. The machine has an upper drain hole and a lower drain plug for continuous drainage and manual drainage.

Installation is a breeze with the included sliding window kit and detailed instructions. The kit is perfect for any vertical or horizontal sliding window with a size of 25.6"-50.2". Simply connect the included 61" long hose and window kit adapter, select the function mode you want, and enjoy the cool or warm air. No additional tools are required for assembly, and anyone can complete the installation.

The Portable Air Conditioner and Heater has four 360° universal casters and hidden handles on both sides, making it extremely portable and easy to move from room to room. The machine also comes with a removable and reusable air filter that protects your family and living space from dust and pet hair. It is recommended that you clean the filter monthly to ensure optimal cooling performance.

7. Serenelife 3-In-1 Portable Ac With Dehumidifier.

The Serene Life Portable Air Conditioner System is a perfect addition to any home or office space. Its lightweight and sleek design make it a handy and portable option for those who need to move it around. It comes with rolling wheels that make it easy to move around the bedroom, living room, or garage.

One of the best features of this portable AC is the built-in dehumidifier. It not only cools down the room but also helps reduce humidity levels, which can save you both money and space.

This compact floor AC indoor cooler conditioning unit has 4 operating modes – cooling, heating, dehumidifier, and fan. It features an automatic swing mode with a moving wind vent for maximum air circulation. The electric plug-in operation makes it very easy to use.

The digital touch button control panel on the air conditioner includes power, mode, timer, temperature, and fan speed settings. Other functions such as unit selector (°C/°F), sleep key can be adjusted using the included remote control.

This air conditioner is great for all year round use. It has 12,000 BTU (ASHRAE) / 7,000 BTU (SACC) cooling power and 12,000 BTU heating power. The cold air can cover a room up to 550+ sq. ft. and the air flow is rated at 380 m3/hr. The moisture removal/dehumidifier is rated at 1.8 liters/hr. The operating noise level is only 56-59 dBa.

8. Zafro's Cozy Portable Air Conditioning System

The ZAFRO 8,000 BTU portable air conditioner is a highly efficient and versatile cooling device suitable for rooms up to 350 Sq.Ft. With its powerful cooling capacity, it can provide stable, fast, and effective cooling to create a comfortable environment. It features a 24-hour adjustable timer that can cool the room to a temperature between 61°F-90°F, ensuring you have the ideal temperature during hot summer days.

This portable air conditioner features 3-in-1 functions that include Cool/Dry/Fan modes, making it easy to operate. It boasts a digital display and a compact remote control, which allows you to control the device from anywhere in the room.

The ZAFRO portable air conditioner is equipped with a sleep mode that reduces noise levels to ≤54dB, making it perfect for use in a bedroom. It has a 2023 generation high-efficiency compressor that ensures low noise levels, ensuring no interference during your summer nights.

This air conditioner comes with a removable and washable double-layer filter that protects your family from dust and pet dander. To ensure optimal performance, it is recommended that you clean the air filter every two weeks of operation.

The ZAFRO portable air conditioner is easy to install and move. It comes with four caster wheels, which allows you to move it from room-to-room effortlessly. You can roll it into any room with a double-hung or sliding window, attach the included hose and window adapter, and plug it into an outlet.

ZAFRO is committed to providing customers with premium products and thoughtful service. If you have any questions about their products, their customer service team is always available to help. They are dedicated to resolving any issues you have with their products at the earliest.

9. Della 13000 Btu Portable Ac & Heater: Ultimate Climate Control

Introducing the portable and efficient air conditioning unit that can cool and dehumidify spaces of up to 700 square feet. The 13,000 BTU ASHRAE (8,000 BTU SACC) air conditioning unit is perfect for any indoor space like a bedroom, living room, apartment, condo, or office, providing cool air on hot weather days or for rooms with poor ventilation.

Featuring a remote control, the LED display shows a variety of options including mode selection, temperature adjustment, fan speed control, and dehumidification options. With the 24-hour timer, you can preset the unit to turn on or off according to your schedule.

The air conditioning unit is designed with self-evaporation technology, eliminating the need for a bucket to collect water. This feature ensures that the unit is low maintenance and easy to use.

Please note that this item is not available for sale in California.

Experience the convenience and portability of this air conditioning unit that offers a comfortable and cool living or working environment. Say goodbye to hot and humid spaces with this reliable and efficient air conditioning unit.

10. Petsite 3-In-1 Ac: Cool, Dehumidify, Control!

The portable air conditioner with 3 in 1 design and 3-color light is a perfect solution for those who want to stay cool and comfortable during hot summer days. It comes with cooling, dehumidifying, and fan modes, along with a 3-color indicator light to clearly show the current working state of the AC unit.

This efficient air conditioner has a high cooling capacity of 8000 BTU, which can quickly cool down a wide area of up to 250 sq.ft. Its adjustable air louvers and a wind speed of 210 CFM ensure even and consistent cooling.

The ultra-quiet operation, with a noise level below 51 decibels, and sleep mode make it perfect for peaceful sleep. It also has a 1-24H timer that allows you to set the auto shut off time. The removable and washable filter ensures clean air and easy maintenance.

Controlling this portable air conditioner is easy through the smart LED touch panel and remote control. You can adjust and check all the settings with ease, such as speed, up, down, timer, mode, power, and more. The unit is easy to install and fits vertical sliding windows or horizontal sliding windows between 25.5-47 inches.

Equipped with 2 built-in handles and 4 universal wheels, this compact AC unit can be easily moved from room to room. It also has two drainage options to choose from: continuous drainage or manual drainage. A wrapping post is also included to keep the power cord organized.

This portable air conditioner comes with a 1-year warranty against manufacturer defects, giving you peace of mind and assurance in your purchase. Stay cool and comfortable with the efficient and easy-to-use portable air conditioner.

Best Air Conditioner Small Apartment FAQs

Are portable air conditioners effective for small apartments?

Yes, portable air conditioners can be effective for small apartments. These units are designed to cool a single room and can be moved from one room to another, making them a flexible option for small spaces. However, the effectiveness of a portable air conditioner will depend on factors such as the size of the room, the ambient temperature, and the level of insulation in the apartment.

It is important to choose a portable air conditioner with the appropriate cooling capacity for the size of the room. A unit that is too small will not effectively cool the space, while a unit that is too large will waste energy and may create a damp environment. It is also important to properly install and maintain the unit, such as regularly cleaning the filters and ensuring proper ventilation.

Overall, portable air conditioners can be an effective cooling option for small apartments, but it is important to choose the right unit and use it properly for optimal results.

Are there any quiet small apartment air conditioners available?

Yes, there are several options for small and quiet air conditioners designed for apartments. One of the options is a portable air conditioner unit that can be moved from room to room as needed. Portable air conditioners are typically smaller, quieter, and more energy-efficient compared to traditional window units. Another option is a ductless mini-split air conditioner, which is permanently installed but does not require ductwork. These units are also very quiet and energy-efficient, making them a great choice for apartments. Additionally, some window air conditioning units are designed to be quieter than others. Look for units with a lower decibel rating, and consider purchasing a unit that is specifically marketed as "quiet" or "low-noise." Overall, there are many options available for small, quiet air conditioners that are suitable for apartments, and it is important to do your research and choose a unit that meets your specific needs and preferences.

Can a small apartment air conditioner also function as a heater?

No, a small apartment air conditioner cannot function as a heater. Air conditioners work by removing heat and moisture from the air inside a room and expelling it outside, while heaters work by generating heat. However, there are some air conditioning units that come with a built-in heating system, which can function as a heater during the colder months. These units are known as heat pumps or reverse cycle air conditioners. They work by reversing the refrigeration cycle to extract heat from the outside air and transfer it inside your home. So, if you are looking for an appliance that can provide both cooling and heating functions, a heat pump or reverse cycle air conditioner would be a good choice for you.

Can a window air conditioner cool a small apartment?

Yes, a window air conditioner can cool a small apartment. In fact, window air conditioners are a popular option for cooling small spaces such as apartments, bedrooms, or small offices. The size of the air conditioner needed will depend on the size of the room and the amount of heat generated inside the room. It is important to choose the right size air conditioner to ensure efficient cooling. Generally, a 5,000-10,000 BTU window air conditioner is sufficient for a small apartment. It is also important to properly install the air conditioner and seal any gaps around the unit to prevent cool air from escaping and warm air from entering the room. Additionally, regularly cleaning and maintaining the air conditioner will ensure it operates efficiently and effectively to keep the apartment cool.

How much does a small apartment air conditioner cost?

The cost of a small apartment air conditioner can vary depending on the brand, size, and features. On average, a small window unit air conditioner can cost anywhere from $100 to $500. Portable air conditioners are usually more expensive, ranging from $200 to $800. Additionally, there may be installation or delivery fees to consider. It's important to do some research and compare prices from different retailers to find the best deal. Keep in mind that a higher price does not always guarantee better quality, so it's important to read reviews and consider the specific needs of your apartment before making a purchase. Overall, investing in a small apartment air conditioner can make a big difference in staying cool and comfortable during the hot summer months.

What are the best air conditioners for small apartments?

When it comes to selecting the best air conditioner for a small apartment, there are a few factors to consider, such as the size of the room, energy efficiency, noise level, and budget.

One option is a window air conditioner, which is a popular choice for small spaces. Models such as the Frigidaire 5,000 BTU Window-Mounted Air Conditioner or the LG 6,000 BTU Window Air Conditioner offer efficient cooling in small rooms and are budget-friendly.

Another option is a portable air conditioner, which can be moved from room to room. Models like the Black+Decker BPACT08WT Portable Air Conditioner or the Honeywell MN10CESWW Portable Air Conditioner are efficient and easy to use.

Lastly, a mini-split air conditioner is a good option for small apartments, especially if there is no window available for a window unit. These systems consist of an outdoor compressor unit and one or more indoor units, and can be more expensive but offer energy efficiency and quieter operation.

Ultimately, the best air conditioner for a small apartment will depend on your specific needs and budget.

What brands make the best small apartment air conditioners?

When it comes to selecting the best air conditioners for small apartments, there are several brands to choose from. Some of the most popular brands for small apartment air conditioners include Frigidaire, LG, and GE. These brands offer a range of AC units that are designed to efficiently cool small spaces, such as studio apartments or bedrooms.

Frigidaire is a well-known brand that offers a variety of air conditioners suitable for small apartments. Their units are energy-efficient, easy to install, and come with various features such as remote control, programmable timers, and multiple fan speeds.

LG is another popular brand that offers some of the best small apartment air conditioners on the market. Their units are designed to be quiet, energy-efficient, and have features such as Wi-Fi connectivity and smartphone control.

GE is also a reliable brand that offers AC units designed for small spaces. Their units are easy to install, energy-efficient, and come with features such as adjustable thermostats and multiple fan speeds.

Ultimately, the best small apartment air conditioner brand depends on your specific needs and preferences. It's important to consider factors such as size, energy efficiency, noise level, and additional features when selecting an AC unit for your small apartment.

What features should I look for in a small apartment air conditioner?

When considering a small apartment air conditioner, there are several features to look for to ensure maximum efficiency and comfort. Firstly, it is important to determine the appropriate BTU (British Thermal Unit) rating for the size of your apartment. A unit that is too small will not effectively cool the space, while a unit that is too large will waste energy and be less efficient.

Next, consider the type of unit. Window units are a popular choice for small apartments, as they are easy to install and can be removed during cooler months. Portable units are another option, but they take up floor space and require an exhaust hose to be vented outside.

Energy efficiency is also an important factor to consider, as it can save you money on energy bills in the long run. Look for units with high Energy Efficiency Ratio (EER) ratings.

Other features to consider include noise level, ease of use and maintenance, and additional features such as programmable thermostats and adjustable fan speeds. Overall, selecting a small apartment air conditioner with the appropriate BTU rating and energy efficiency, while also considering personal preferences and needs, will help ensure optimal comfort and cost-effectiveness.

What is the most energy-efficient small apartment air conditioner?

When it comes to finding the most energy-efficient small apartment air conditioner, there are a few key factors to consider. One important factor is the unit's energy efficiency ratio (EER), which measures the cooling capacity of the air conditioner in relation to the amount of energy it consumes. Another important factor is the size of the unit, as a smaller unit may be able to cool your apartment more efficiently than a larger one.

One option to consider is the Frigidaire FGRC0844S1 Smart Window Air Conditioner, which has an EER of 12.0 and a cooling capacity of 8,000 BTUs. This unit is designed to be controlled through a smartphone app, which allows you to set schedules and adjust settings remotely to maximize efficiency. Another option is the LG LW8016ER Window-Mounted Air Conditioner, which has an EER of 12.1 and a cooling capacity of 8,000 BTUs. This unit also features a 24-hour timer and three cooling speeds to help you customize your comfort while conserving energy.

Ultimately, the most energy-efficient air conditioner for your small apartment will depend on a variety of factors, including the size and layout of your space, your budget, and your personal preferences. It's a good idea to do some research and compare various models to find the one that best meets your needs.

What size air conditioner should I get for my small apartment?

The size of the air conditioner you need for your small apartment will depend on a few factors, such as the size of your apartment, the number of windows and doors you have, the amount of insulation in your walls, and the climate you live in. Generally, for a small apartment, you may need an air conditioner with a cooling capacity of 5,000 to 8,000 BTUs. However, it's always a good idea to consult with an HVAC professional to determine the appropriate size and type of air conditioner for your specific needs. They can help you assess your apartment's unique factors and recommend an air conditioner that will efficiently and effectively cool your space. Additionally, when choosing an air conditioner, consider energy efficiency ratings, noise levels, and any additional features that may be important to you, such as a programmable thermostat or air quality filters.