We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Most Efficient 5000 Btu Air Conditioner 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

Amazon Basics 5000 BTU Small Window Air Conditioner, Up to 150 Sqf, Window AC Units with Cool and Fan Functions, Washable Filter, Adjustable Window Fit, Intuitive Mechanical Controls, White

Rating
9.8
Chosen by1,349
Energy Efficiency Ratio (EER)
Noise Level
Cooling Area

Most important from
3674 reviews

Energy Efficiency Ratio (EER)
Running multiple units uses less energy collectively than central air conditioning, making it an efficient choice.
Noise Level
Even though it operates loudly, its cooling power is impressive, as seen in how it blows curtains.
Cooling Area
This air conditioner cools a room off quickly and offers versatile adjustment settings.
Installation Type
The installation is straightforward, with understandable directions and adjustable side panels.

The Amazon Basics Window Air Conditioner is a 5000 BTU unit designed to cool and dehumidify rooms up to 150 sq. ft. It comes with features like 7 temperature settings, dual cooling, and fan settings, which add to its versatility. The built-in filter is removable, washable, and reusable, making maintenance straightforward.

Installation is simplified with adjustable side panels to fit standard windows, making it a convenient option for various window sizes. Weighing in at 35.27 pounds, it’s relatively lightweight for a window unit, though some may find it a bit cumbersome to install alone.

This air conditioner is a solid choice for small rooms or compact spaces, especially for those looking for basic cooling and dehumidifying with easy upkeep.

Rating
9.8
Chosen by1,349
Energy Efficiency Ratio (EER)
Noise Level
Cooling Area

Most important from
3674 reviews

Energy Efficiency Ratio (EER)
Running multiple units uses less energy collectively than central air conditioning, making it an efficient choice.
Noise Level
Even though it operates loudly, its cooling power is impressive, as seen in how it blows curtains.
Cooling Area
This air conditioner cools a room off quickly and offers versatile adjustment settings.
Installation Type
The installation is straightforward, with understandable directions and adjustable side panels.
#2

Frigidaire 5,000 BTU Window-Mounted Air Conditioner, Cools Up to 250 Sq. Ft., Quiet Operation, Effortless Temperature Control, 2 Fan Speeds, Auto Restart, White

Rating
9.6
Noise Level
Cooling Area
Installation Type

Most important from
22349 reviews

Noise Level
The unit is quieter than a pedestal fan, barely noticeable when watching videos.
Cooling Area
The output is really good, making it a perfect choice for small rooms.
Installation Type
It's light enough to manage, though having an extra hand for placement is recommended.
Additional Features
The long power cord is a handy feature, eliminating the need for an extension cord.

The Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner is a 5,000 BTU unit that has several strengths making it a decent choice for small spaces. One of its primary benefits is the Effortless Temperature Control feature, which helps maintain a comfortable room temperature. The easy-to-clean washable filter is another significant advantage, ensuring the unit operates efficiently by capturing dust. The included extra-long power cord eliminates the need for an extension cord, adding to the convenience. Additionally, the adjustable side panels make it adaptable to various window sizes, which is helpful for installation. The Effortless Restart feature that resumes the unit's previous settings after a power outage is another plus point.

However, the unit has a few drawbacks. Its Energy Efficiency Ratio (EER) is 11, which is decent but not the highest in its category. The noise level is 52 dB, which might be slightly loud for some users looking for a quieter operation. It also lacks Energy Star certification, which might be a consideration for those focused on energy savings. Despite these drawbacks, the Frigidaire FFRA051WAE is a solid option for those seeking a reliable and easy-to-install air conditioner for a small room or space.

Rating
9.6
Noise Level
Cooling Area
Installation Type

Most important from
22349 reviews

Noise Level
The unit is quieter than a pedestal fan, barely noticeable when watching videos.
Cooling Area
The output is really good, making it a perfect choice for small rooms.
Installation Type
It's light enough to manage, though having an extra hand for placement is recommended.
Additional Features
The long power cord is a handy feature, eliminating the need for an extension cord.
#3

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

Rating
9.3
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
12672 reviews

Energy Efficiency Ratio (EER)
The air conditioner is impressively energy efficient, consuming no more than 400 watts even at maximum cooling settings.
Noise Level
The unit operates extremely quietly, making it one of the best in terms of noise levels.
Installation Type
Installation is straightforward and the unit fits well even in smaller windows.

The Midea 5,000 BTU EasyCool Small Window Air Conditioner is well-suited for small rooms up to 150 square feet, making it ideal for bedrooms, living rooms, or home offices. With a CEER of 11.0, it is energy efficient and can help reduce energy costs. The unit operates quietly at a noise level of 57 dB, which is quieter than a household refrigerator, ensuring minimal disturbance during operation.

The mechanical controls are user-friendly, allowing you to easily set the temperature, mode, and time. Installation is straightforward, supported by an included window bracket and detailed instruction manual, though a screwdriver is required for the process. The air conditioner features a removable and reusable filter, which is convenient for maintenance and ensures cleaner air in the room.

Additional features include 7 temperature settings, 2 cooling and 2 fan-only speeds, and 2-way air direction to customize your comfort. However, the unit may not be suitable for larger rooms or areas exceeding 150 square feet. Additionally, while the product comes with a one-year parts and labor warranty, it is essential to register the product for faster support.

Rating
9.3
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
12672 reviews

Energy Efficiency Ratio (EER)
The air conditioner is impressively energy efficient, consuming no more than 400 watts even at maximum cooling settings.
Noise Level
The unit operates extremely quietly, making it one of the best in terms of noise levels.
Installation Type
Installation is straightforward and the unit fits well even in smaller windows.

Buying Guide for the Best Most Efficient 5000 Btu Air Conditioner

Choosing the right air conditioner can make a significant difference in your comfort and energy bills. When looking for a 5000 BTU air conditioner, it's important to consider various specifications to ensure you get the most efficient and suitable model for your needs. Here are some key specs to focus on and explanations to help you understand their importance and how to choose the right one for you.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently an air conditioner uses energy. It is calculated by dividing the BTU rating by the power consumption in watts. A higher EER indicates better energy efficiency, which means lower electricity bills. For a 5000 BTU air conditioner, look for an EER of at least 10. If you prioritize energy savings, aim for models with higher EER values.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the air conditioner will be when operating. This is important for ensuring a comfortable and quiet environment, especially if the unit will be used in a bedroom or living room. Noise levels can range from around 50 dB to 60 dB for 5000 BTU units. If you are sensitive to noise or need a quiet space, opt for models with lower dB ratings.
Cooling AreaThe cooling area specifies the size of the room that the air conditioner can effectively cool, usually measured in square feet. A 5000 BTU air conditioner is typically suitable for rooms up to 150 square feet. Ensure that the unit you choose matches the size of the room you intend to cool. If your room is slightly larger, you might need to consider a higher BTU rating.
Installation TypeAir conditioners can be installed in different ways, such as window-mounted, portable, or through-the-wall units. The installation type affects convenience, space usage, and mobility. Window-mounted units are common and easy to install, while portable units offer flexibility to move between rooms. Choose the installation type based on your room layout and personal preference.
Additional FeaturesAdditional features can enhance the functionality and convenience of your air conditioner. Look for features like remote control, programmable timer, sleep mode, and energy-saving mode. These features can provide added comfort and help you manage energy consumption more effectively. Consider which features are important to you and how they align with your lifestyle.

FAQ

Most Popular Categories Right Now