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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

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

Rating
10.0
Chosen by1,490
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
7092 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
10.0
Chosen by1,490
Energy Efficiency Ratio (EER)
Noise Level
Installation Type

Most important from
7092 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.
#2

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
10.0
Noise Level
Installation Type
Additional Features

Most important from
16462 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
10.0
Noise Level
Installation Type
Additional Features

Most important from
16462 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.
#3

DELLA Vario 24000 BTU Mini Split AC Work with Alexa Ductless Inverter System 19 SEER2 Cools Up to 1500 Sq.Ft, Energy Saving, with 2 Ton Heat Pump Pre-Charged and 16.4ft Installation Kits

Rating
9.8
BTU Rating
Noise Level
Installation Type

Most important from
1248 reviews

BTU Rating
Despite the significant additional work required for installation, the unit itself is fantastic, cooling a 12' x12' bedroom down in minutes and keeping the entire house cool on a 100-degree day.
Noise Level
The DELLA Versa Series Mini Split AC is quiet both inside and out, making it easy to sleep with it running on the quiet setting.
Installation Type
There is immense value in this mini-split unit, making it highly recommended for advanced DIYers comfortable with electrical installations and cutting through walls.
Additional Features
It is fully featured with swing capability for airflow both horizontally and vertically, delivering cold air in cool mode and quite warm air in heat mode.

The DELLA Versa Series 24000 BTU Mini Split AC offers substantial cooling and heating for spaces up to 1500 sq. ft., making it suitable for larger rooms or small apartments. With a high 19 SEER2 rating, this unit is energy efficient, potentially saving up to 30% on power consumption thanks to its DC Inverter technology. It's equipped with a heat pump that functions effectively at low temperatures (down to -4°F), which is beneficial for year-round use in various climates.

Professional installation is required, which might add to the initial cost and complexity for some users. The unit operates quietly at 51 dBa, ensuring minimal disruption, and features several smart functions including 4D airflow, multiple modes, and compatibility with Alexa and WiFi for convenient remote control.

Its substantial weight of 125.7 pounds and the necessity for line-set vacuuming during installation could pose challenges. Additionally, while the unit includes a comprehensive installation kit, any alteration to the line-set length necessitates adjusting freon levels, which adds another layer of complexity. This air conditioner is ideal for users looking for a powerful, energy-efficient, and smart-functioning unit, provided they are ready to handle or outsource the professional installation.

Rating
9.8
BTU Rating
Noise Level
Installation Type

Most important from
1248 reviews

BTU Rating
Despite the significant additional work required for installation, the unit itself is fantastic, cooling a 12' x12' bedroom down in minutes and keeping the entire house cool on a 100-degree day.
Noise Level
The DELLA Versa Series Mini Split AC is quiet both inside and out, making it easy to sleep with it running on the quiet setting.
Installation Type
There is immense value in this mini-split unit, making it highly recommended for advanced DIYers comfortable with electrical installations and cutting through walls.
Additional Features
It is fully featured with swing capability for airflow both horizontally and vertically, delivering cold air in cool mode and quite warm air in heat mode.

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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