Choosing the best 25000 BTU air conditioner can greatly impact the comfort of larger rooms, apartments, or living spaces. These units offer powerful cooling with advanced features like smart connectivity, quiet operation, and energy efficiency. Below is a summary table of top-rated air conditioners in this range, followed by detailed product insights to help you make an informed decision.
Product | Cooling Capacity | Room Coverage | Special Features |
---|---|---|---|
LG 24,500 BTU Smart Window Air Conditioner | 24,500 BTU | Up to 1560 Sq. Ft. | Smart Control with ThinQ, Alexa & Google, Low Noise |
Durastar DRWHC232XNA1 23,200 BTU Window AC | 25,000 BTU Cooling, 16,000 BTU Heating | 1500 Sq. Ft. (cool), 700 Sq. Ft. (heat) | Supplemental Heating, 4-Way Louvers, 24-Hour Timer |
Whirlpool WHAW242CW 24,000 BTU Window Air Conditioner | 24,000 BTU | Up to 1500 Sq. Ft. | Dehumidifier, 3 Speeds, 24H Timer, Eco & Sleep Modes |
LG 23,000 BTU Window Air Conditioner with Heat | 23,000 BTU | Up to 1400 Sq. Ft. | Heating Option, Low Noise, Multiple Fan Speeds |
LG 18,000 BTU Dual Inverter Smart Window Air Conditioner | 18,000 BTU | Up to 1000 Sq. Ft. | Smart Control, Energy Star, Ultra Quiet Operation |
LG 24,500 BTU Smart Window Air Conditioner

The LG 24,500 BTU Smart Window Air Conditioner offers powerful cooling for rooms as large as 1560 square feet. It includes LG ThinQ Technology, enabling remote control of temperature, mode, and fan from anywhere via smartphone. Integration with Amazon Alexa and Google Assistant adds hands-free convenience. This unit operates quietly with noise levels as low as 50dB in low mode, and features three fan speeds plus dehumidification of up to 1.8 pints per hour. Its versatility makes it ideal for bedrooms, living rooms, or apartments requiring efficient, customizable cooling.
Durastar DRWHC232XNA1 23,200 BTU Window Air Conditioner

This Durastar window air conditioner delivers a robust 25,000 BTU cooling capacity with supplemental 16,000 BTU heating for year-round comfort. Designed for spaces up to 1500 square feet (cooling) and 700 square feet (heating), it includes four operation modes, three fan speeds, and a 24-hour timer. The unit features 4-way air directional louvers and moisture removal capability of 137 pints/day. Note that it requires a 30 Amp 230 Volt breaker and is suitable for homes with higher electrical capacity needs.
Whirlpool WHAW242CW 24,000 BTU Air Conditioner with Dehumidifier

The Whirlpool WHAW242CW offers effective cooling with a 24,000 BTU rating, suitable for extra large rooms up to 1500 square feet. It incorporates a dehumidifier removing 6.5 pints of moisture per hour and features an intuitive electronic control panel with a digital display. Users can choose from three cooling speeds, eco mode, sleep mode, and a programmable 24-hour timer. The 8-way directional louvers enhance air distribution while installation is simple with a quick window mounting kit, requiring a specialized 230V electrical outlet.
LG 23,000 BTU Window Air Conditioner with Heat

The LG 23,000 BTU Window Air Conditioner with Heat is a versatile AC heater combo ideal for rooms up to 1400 square feet. It maintains quiet operation at sound levels as low as 50dB in low mode. The unit offers two cooling, heating, and fan speeds, allowing users to tailor airflow precisely. Suitable for multiple room types, this unit’s supplemental heat function makes it a smart all-season choice, combining reliable cooling with warming capabilities in one easy-to-install window unit.
LG 18,000 BTU Dual Inverter Smart Window Air Conditioner

The LG 18,000 BTU Dual Inverter Smart Window Air Conditioner is engineered for energy efficiency and quiet operation, suitable for cooling areas up to 1000 square feet. Featuring Energy Star certification, it uses inverter technology to reduce electricity consumption. Smart phone control via the LG ThinQ app allows temperature adjustments from anywhere, along with compatibility for Amazon Alexa and Google Assistant. Operating at noise levels as low as 52dB, it ensures minimal disruption while delivering reliable performance.
Buying Guide for 25000 BTU Air Conditioners
When selecting a 25000 BTU air conditioner, consider the following factors to ensure optimal performance and satisfaction:
Cooling Capacity and Room Size
The BTU rating directly relates to the room area the unit can effectively cool. Typically, a 25000 BTU air conditioner covers approximately 1400 to 1560 square feet. Accurately measure your room’s square footage before purchasing to avoid under or over-sizing your unit, which can affect efficiency and comfort.
Energy Efficiency
Look for models with Energy Star certification or inverter technology to reduce electricity usage. Efficient units save on utility costs and often operate more quietly. Features like eco modes and programmable timers also contribute to energy savings by optimizing runtime.
Noise Level
Operating sound is especially important in bedrooms or living rooms. Many models feature noise levels around 50dB or lower at the quietest setting, which is comparable to a quiet conversation. Check product specifications for decibel ratings to ensure a comfortable noise environment.
Smart Features and Controls
Modern air conditioners often include smartphone app control, voice assistant integration, and programmable timers. These features add convenience by allowing remote adjustments and scheduling. Consider if voice commands via Alexa or Google Assistant are beneficial for your lifestyle.
Additional Functions
Some units offer supplemental heating, dehumidification, and multiple fan speeds. A dehumidifier is valuable in humid climates, improving indoor air quality and comfort. AC heater combos extend usability into cooler months.
Electrical Requirements
High-capacity units usually require a dedicated 230V outlet and sufficient amperage (often 20-30 Amps). Verify your home’s electrical capacity and breaker compatibility before selecting a unit to ensure safe and proper installation.
Installation and Size
Window units should fit your window dimensions and be easy to install with included mounting kits. Portable units offer flexibility but typically have lower BTU ratings and require venting.
By evaluating these factors—in combination with your room’s size and personal preferences—you can select a 25000 BTU air conditioner that delivers powerful, efficient, and quiet cooling tailored to your space.