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10 Best 24000 BTU Air Conditioning Units 2025 in the United States

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Our Top Picks

#1

Winner

LG 24,500 BTU Window Air Conditioner, 230/208V, Cools 1,560 Sq. Ft. for Bedroom, Living Room, Apartment, Quiet Operation, with Remote, 3 Cooling & Fan Speeds, Auto Restart, and 24H Timer, White

Rating
9.9
Chosen by1,245
Noise Level
Installation Type
Additional Features

Most important from
16430 reviews

Noise Level
The unit performs very well and is relatively quiet, making it suitable for bedrooms and quiet spaces.
Installation Type
Installation can be challenging due to the unit's weight, but the included window installation kit helps achieve a well-sealed fit.
Additional Features
The air conditioner's energy-saving mode is excellent, allowing the fan to shut off with the compressor and restart periodically to sample the air temperature.

The LG 24,500 BTU Window Air Conditioner is a powerful unit capable of cooling spaces up to 1,560 square feet, making it suitable for large rooms like bedrooms, living rooms, and apartments. Its BTU rating is slightly above the typical 24,000, which ensures efficient cooling for sizable areas. With a Seasonal Energy Efficiency Ratio (SEER) of 13, it's not the most energy-efficient model available, but it still offers reasonable performance for its class. However, it does not have the Energy Star certification, which might be a drawback for those prioritizing energy savings.

The unit operates at a noise level of 61 dB, which is relatively quiet for such a powerful air conditioner, making it suitable for use in bedrooms or other quiet spaces. Installation is straightforward with the included window installation kit, and the unit is designed for window mounting, which is common for air conditioners of this type. Additional features like the remote control, digital control panel, multiple fan speeds, and 4-way air deflection provide flexibility and convenience in operation.

The auto restart function is a useful feature in case of power outages, ensuring the unit resumes operation without manual intervention. The 24-hour timer allows for customizable cooling schedules, helping to manage energy costs. Despite its strengths, the unit's weight (136 pounds) might make installation challenging, and it requires a 230-volt outlet, which may not be available in all homes. Additionally, it requires batteries for the remote control, adding a minor inconvenience. It is a strong contender for those needing a robust and feature-rich window air conditioner for larger spaces.

Rating
9.9
Chosen by1,245
Noise Level
Installation Type
Additional Features

Most important from
16430 reviews

Noise Level
The unit performs very well and is relatively quiet, making it suitable for bedrooms and quiet spaces.
Installation Type
Installation can be challenging due to the unit's weight, but the included window installation kit helps achieve a well-sealed fit.
Additional Features
The air conditioner's energy-saving mode is excellent, allowing the fan to shut off with the compressor and restart periodically to sample the air temperature.
#2

Senville LETO Series Mini Split Air Conditioner Heat Pump, 24000 BTU 208/230V, Inverter, Works with Alexa, SEER2 18, 2 Ton, White

Rating
9.8
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
7045 reviews

Energy Efficiency Ratio (EER)
The system's efficiency has a minimal impact on the power bill, making it cost-effective in the long run.
Noise Level
The unit runs quietly and efficiently, maintaining a perfect temperature.
Installation Type
Installation can be complex, requiring proper tools and research, especially for the line set and electrical wiring.
Additional Features
The Alexa integration for voice control and remote operation is a fantastic convenience.

The Senville LETO Series Mini Split Air Conditioner Heat Pump offers a robust 24,000 BTU capacity, making it suitable for cooling or heating spaces up to 1250 square feet. It stands out with its SEER rating of 17, indicating decent energy efficiency, although it is not Energy Star compliant. This model's low noise level of 34 dB is commendable, ensuring a quiet operation which is ideal for bedrooms or living areas. One of its significant advantages is the integration with Alexa, allowing for convenient voice control and remote operation via an app.

The unit also provides versatile functionality with its 4-in-1 capabilities: air conditioning, heating, dehumidifying, and fan modes. The inclusion of a DC Inverter enhances its efficiency and performance, and it is both UL Listed and AHRI Certified for reliability. The installation package comes with all necessary components including a 16-foot line set, which is convenient, though professional installation is required, potentially adding to the cost.

The design is both stylish and functional, fitting well into various environments from residential to commercial settings. However, the product is imported from China, which may be a consideration for some buyers. Additionally, while the warranty covers 5 years on parts and the compressor, labor is not included, which could be a disadvantage if repairs are needed. This unit is a solid choice for those needing a powerful and versatile air conditioning solution.

Rating
9.8
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
7045 reviews

Energy Efficiency Ratio (EER)
The system's efficiency has a minimal impact on the power bill, making it cost-effective in the long run.
Noise Level
The unit runs quietly and efficiently, maintaining a perfect temperature.
Installation Type
Installation can be complex, requiring proper tools and research, especially for the line set and electrical wiring.
Additional Features
The Alexa integration for voice control and remote operation is a fantastic convenience.
#3

LG LW2422IVSM 23,500 Dual Inverter Smart Window, 230V, Air Conditioner Cools Rooms up to 1,440 Sq. Ft, Ultra Quiet Operation, ThinQ, Amazon Alexa & Hey Google, 24000 BTU, Bright White

Rating
9.6
BTU Rating
Energy Efficiency Ratio (EER)
Noise Level

Most important from
950 reviews

BTU Rating
The cooling power is impressive, quickly bringing down temperatures even in challenging environments.
Energy Efficiency Ratio (EER)
Energy efficiency is notable, with low electricity bills despite heavy usage.
Noise Level
The noise level is remarkably low, making it ideal for quiet environments.
Installation Type
Installation was surprisingly straightforward despite the unit's weight, aided by the smooth sliding mechanism of the cooling unit.
Additional Features
The remote and app offer excellent control, allowing for convenient adjustments even from a distance.

The LG LW2422IVSM, with a 23,500 BTU rating, is a robust choice for cooling large areas up to 1,440 square feet, making it suitable for spacious rooms or small apartments. Its standout feature is the DUAL Inverter technology, which not only ensures ultra-quiet operation, with noise levels as low as 44dB, but also offers impressive energy efficiency. It's noted to be up to 50% more energy efficient than standard Energy Star requirements, which can lead to significant energy savings and lower bills.

Installation is straightforward as it is a window-mounted model, though its considerable weight of 112 pounds might require some help during setup. The unit is equipped with LG ThinQ technology, allowing you to control the air conditioner remotely via a smartphone or through voice commands using Amazon Alexa or Google Assistant, adding a layer of convenience for tech-savvy users.

Featuring four cooling and fan speeds, including an Auto Cool option, it allows for a customizable cooling experience. It also includes practical features like a filter light reminder and a dehumidifier function. However, the unit operates on a 230V system, which may not be compatible with all home electrical setups without some modification. Also, while it boasts high efficiency, the initial purchase cost might be higher compared to less efficient units. The primary consideration should be whether its advanced features justify the investment for your specific needs. This unit is ideal for those who value quiet operation and smart home integration while cooling a large area efficiently.

Rating
9.6
BTU Rating
Energy Efficiency Ratio (EER)
Noise Level

Most important from
950 reviews

BTU Rating
The cooling power is impressive, quickly bringing down temperatures even in challenging environments.
Energy Efficiency Ratio (EER)
Energy efficiency is notable, with low electricity bills despite heavy usage.
Noise Level
The noise level is remarkably low, making it ideal for quiet environments.
Installation Type
Installation was surprisingly straightforward despite the unit's weight, aided by the smooth sliding mechanism of the cooling unit.
Additional Features
The remote and app offer excellent control, allowing for convenient adjustments even from a distance.

Buying Guide for the Best 24000 BTU Air Conditioning Units

When choosing a 24000 BTU air conditioning unit, it's important to consider several key specifications to ensure you select the best fit for your needs. Understanding these specifications will help you make an informed decision and ensure that the unit you choose will effectively cool your space, be energy efficient, and provide the features you need for comfort and convenience.
BTU RatingBTU stands for British Thermal Unit, and it measures the cooling capacity of an air conditioner. A 24000 BTU unit is suitable for cooling large spaces, typically between 1,400 to 1,500 square feet. It's important to choose a unit with the right BTU rating for your space to ensure efficient cooling. If the unit is too powerful, it will cycle on and off too frequently, leading to inefficiency and higher energy costs. If it's not powerful enough, it won't cool the space effectively.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures the efficiency of the air conditioner. It is calculated by dividing the BTU rating by the unit's wattage. A higher EER indicates a more efficient unit, which can save you money on energy bills. Look for units with an EER of 10 or higher for better efficiency. If you prioritize energy savings and environmental impact, aim for the highest EER rating within your budget.
Noise LevelThe noise level of an air conditioning unit is measured in decibels (dB). This is important if the unit will be installed in a living area or bedroom where noise could be disruptive. Units with a noise level below 60 dB are considered quiet. If you are sensitive to noise or plan to use the unit in a quiet environment, look for models that specifically advertise low noise levels.
Installation TypeAir conditioning units come in different installation types, such as window units, split systems, and portable units. Window units are installed in a window and are generally easier to install. Split systems have an indoor and outdoor component and require professional installation but are more efficient and quieter. Portable units can be moved from room to room but may not be as efficient. Choose the installation type that best fits your space and installation capabilities.
Additional FeaturesModern air conditioning units come with various additional features that can enhance comfort and convenience. These may include programmable timers, remote controls, sleep modes, and smart connectivity. Consider which features are important to you. For example, a programmable timer can help you save energy by allowing you to set the unit to turn on or off at specific times, while smart connectivity can enable you to control the unit remotely using a smartphone app.

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