Finding the best 23500 BTU air conditioner is key to keeping large spaces comfortably cool or warm. These units are ideal for rooms up to 1400-1500 square feet, suitable for living rooms, bedrooms, offices, or dens. This guide highlights top-performing models featuring cooling, heating, smart controls, and energy efficiency. Below is a summary table of selected products with key details for quick comparison.
| Product Name | Cooling Capacity (BTU) | Heating | Smart Features | Coverage Area (Sq. Ft.) |
|---|---|---|---|---|
| LG 23,000 BTU Window AC with Heat | 23,000 | Yes | Remote Control | Up to 1400 |
| Whirlpool WHAW242CW 24,000 BTU Window AC | 24,000 | No | Remote Control | Up to 1500 |
| Frigidaire 24,000 BTU Smart Inverter AC | 24,000 | No | Wi-Fi, Alexa, Google Assistant | Up to 1020 |
| BLACK+DECKER 14,000 BTU Smart Portable AC | 14,000 | No | Wi-Fi, Voice Control | Up to 700 |
| Midea 12,000 BTU Smart Inverter Window AC | 12,000 | Yes | Wi-Fi, Alexa, Google Assistant | Up to 550 |
Content Navigation
- LG 23,000 BTU Window AC with Heat and Remote
- Whirlpool WHAW242CW 24,000 BTU Window Air Conditioner
- Frigidaire 24,000 BTU Smart Inverter Window AC with Wi-Fi
- BLACK+DECKER Smart Portable 14,000 BTU Air Conditioner
- Midea 12,000 BTU Smart Inverter Window AC with Heat
- Buying Guide for Choosing the Best 23500 BTU Air Conditioner
LG 23,000 BTU Window AC with Heat and Remote

The LG 23,000 BTU window air conditioner provides both cooling and heating for all-season comfort in rooms up to 1400 sq. ft. Its low noise operation at 50dB ensures minimal disturbance, ideal for bedrooms or offices. Featuring multiple fan speeds for cooling, heating, and fan-only modes, this unit allows customization to suit your environment.
The heat option supplements warmth during cooler days, maintaining a steady comfortable temperature. It’s installed conveniently in a window and comes with a remote for easy control. The efficient 230V power requirement supports its strong performance without excessive energy use.
Whirlpool WHAW242CW 24,000 BTU Window Air Conditioner

The Whirlpool WHAW242CW excels at cooling spaces up to 1500 sq. ft. with 24,000 BTUs. It includes a dehumidifier removing up to 6.5 pints/hour, improving indoor air quality during humid weather. Multiple fan speeds and modes such as eco and sleep provide tailored comfort while conserving energy.
Its electronic control panel features a 24-hour timer and 8-way directional louvers for optimal cooling distribution. Installation is simplified with a window mounting kit designed for windows at least 19.5″ high. Note this model uses a 230V outlet, requiring compatible electrical setup.
Frigidaire 24,000 BTU Smart Inverter Window AC with Wi-Fi

The Frigidaire 24,000 BTU inverter air conditioner offers quiet operation and energy-efficient cooling for up to 1020 sq. ft. Wi-Fi connectivity allows control from anywhere using the Frigidaire app, or voice commands via Alexa and Google Assistant.
This energy star certified model uses inverter technology to maintain consistent temperatures and reduce power consumption. It includes customizable cooling with six-way directional airflow and three fan speeds for precise comfort tailored to your room.
BLACK+DECKER Smart Portable 14,000 BTU Air Conditioner

The BLACK+DECKER 14,000 BTU portable air conditioner offers mobility for cooling rooms up to 700 sq. ft., making it ideal for renters or flexible room arrangements. This unit also functions as a dehumidifier and fan, providing three-in-one versatility.
It features smart capabilities with Wi-Fi connectivity, controllable via mobile app or voice assistants such as Amazon Alexa and Google Assistant. The compact design includes a window kit for quick setup without permanent installation.
Midea 12,000 BTU Smart Inverter Window AC with Heat

The Midea 12,000 BTU smart inverter window air conditioner is perfect for smaller rooms up to 550 sq. ft. It combines cooling and supplemental heating with energy star efficiency. The inverter compressor consumes less electricity while providing steady temperatures.
Control is flexible through an electronic panel, remote, smart app, or voice commands via Alexa and Google Assistant. Features include multiple modes, speed settings, a 24-hour timer, and swing louvers for airflow direction. Its quiet operation and washable filter support comfortable, easy maintenance.
Buying Guide for Choosing the Best 23500 BTU Air Conditioner
When selecting a 23500 BTU air conditioner, several factors affect your decision:
1. Cooling Capacity and Room Size
Ensure the unit’s BTU rating matches your room size for efficient cooling without energy waste. Models in this guide serve areas ranging from 550 to 1500 square feet. Choose a unit aligned with your space for optimal temperature control.
2. Heating Capability
Some models include heating functions, ideal for year-round climate control. Consider units with heat pumps or supplemental heat if you require warmth during cooler months.
3. Energy Efficiency
Energy-efficient air conditioners with inverter technology and Energy Star certification reduce electricity consumption and operational costs, while delivering quieter performance.
4. Installation Type
Window air conditioners require compatible window dimensions and possibly 230V outlets. Portable units offer mobility and easy installation but usually with lower BTUs and coverage.
5. Smart Features and Controls
Wi-Fi connectivity and voice assistant compatibility enhance convenience with remote and automated operation. Remote controls and digital displays provide straightforward manual adjustment.
6. Noise Level
Check the unit’s noise ratings if quiet operation is important, especially for bedrooms or offices. Models equipped with inverter compressors generally operate more silently.
7. Additional Functionalities
Features like dehumidifiers, multiple fan speeds, timer settings, and directional louvers add versatility and tailored comfort to your cooling experience.
By balancing these considerations based on your environment and preferences, you can select the best 23500 BTU air conditioner that offers effective, energy-efficient cooling and heating for large indoor spaces.