Choosing the best through the wall inverter air conditioner ensures efficient cooling and heating for your home or office. These units offer sleek installation, quiet operation, and energy-saving inverter technology. Below is a summary table highlighting key features of top models designed for various room sizes and preferences.
Product | Cooling Capacity | Room Size | Additional Features |
---|---|---|---|
LG 7,800 BTU Through the Wall Air Conditioner | 7,800 BTU | Up to 330 Sq. Ft. | Energy Efficient R-32 Refrigerant, Turbo Fan, Remote Control |
Midea 12,000 BTU Smart Inverter Air Conditioner | 12,000 BTU | Up to 550 Sq. Ft. | Heating, Dehumidifier, Smart Home Compatible, Energy Star |
TCL 14,000 BTU Heat Smart Through-The-Wall AC | 14,000 BTU | Up to 700 Sq. Ft. | Heating, Dehumidifier, Alexa & Google Assistant Compatible |
BLACK+DECKER 18,000 BTU Window/Through The Wall AC | 18,000 BTU | Up to 1,000 Sq. Ft. | 3 Cooling Speeds, Remote Control, Energy Saver, Sleep Mode |
LG 14,000 BTU Dual Inverter Smart Window AC | 14,000 BTU | Up to 700 Sq. Ft. | Ultra Quiet, Energy Star, LG ThinQ & Voice Control |
LG 7,800 BTU Through The Wall Air Conditioner

This LG 7,800 BTU unit is designed for rooms up to 330 square feet, ideal for bedrooms or offices. It uses energy-efficient R-32 refrigerant with an impressive energy efficiency ratio (EER) of 10.7. The unit is intended for through-the-wall installation, with dimensions of 24″ W x 20.1″ D x 14.4″ H. It features three cooling speeds, pre-programmed modes, and a turbo fan to ensure confident cooling. The Energy Saver mode circulates air by running the fan while turning off the compressor for efficient power usage. This wall air conditioner also comes with a remote control for convenient operation.
Midea 12,000 BTU Smart Inverter Air Conditioner

The Midea 12,000 BTU inverter air conditioner offers versatile multi-season comfort with cooling, heating, fan, and dehumidifying functions. It cools spaces up to 550 square feet and heat functions work until outdoor temperatures drop below 41°F. Featuring an Energy Star rating and inverter technology, it provides up to 35% energy savings. The unit includes electronic controls, an LED display, 5 modes, 3 fan speeds, a 24-hour timer, and a washable front filter. You can control the unit using a remote, app, or smart assistants like Alexa and Google Assistant for enhanced convenience.
TCL 14,000 BTU Heat Smart Through-The-Wall Air Conditioner

This TCL 14,000 BTU smart wall air conditioner supports both cooling and heating for rooms up to 700 square feet. It includes an 8,600 BTU heater, fan, and built-in dehumidifier modes, allowing you to adjust indoor comfort throughout the year. The unit is compatible with Amazon Alexa and Google Assistant, enabling voice control and remote management. Its powerful capacity works well for larger spaces needing flexible temperature control. The Dry Mode helps remove moisture to improve air quality, making it perfect for humidity-prone environments.
BLACK+DECKER 18,000 BTU Window or Through The Wall Air Conditioner

The BLACK+DECKER 18,000 BTU unit cools large rooms up to 1,000 square feet efficiently. This model offers multiple cooling speeds including auto, low, medium, and high to match your comfort needs. The air conditioner supports through-the-wall or window installation and comes equipped with a full-function remote control. Notable features include sleep mode, energy saver, and a 24-hour timer which help optimize performance and reduce energy costs. It’s a strong choice for spacious living areas or offices requiring consistent and reliable cooling.
LG 14,000 BTU Dual Inverter Smart Window Air Conditioner

This LG 14,000 BTU Dual Inverter air conditioner delivers ultra-quiet operation at sound levels as low as 44dB in sleep mode, suitable for bedrooms or living rooms up to 700 square feet. The dual inverter technology enhances energy efficiency by 35% compared to ENERGY STAR requirements. It connects with LG ThinQ technology for remote smartphone control and supports voice commands via Amazon Alexa or Google Assistant. This smart air conditioner offers precise cooling with quiet operation and convenient modern controls.
Buying Guide For Through The Wall Inverter Air Conditioners
When choosing the best through the wall inverter air conditioner, consider these key factors to ensure you get the right unit for your space and needs:
Cooling Capacity and Room Size
Select an air conditioner with BTU capacity matching your room size. A unit too small will struggle to cool, while one too large may cycle inefficiently. Typical ranges:
- Up to 350 sq. ft.: 7,000 – 8,000 BTU
- 350 to 600 sq. ft.: 10,000 – 12,000 BTU
- 600 to 1,000 sq. ft.: 14,000 – 18,000 BTU
- Above 1,000 sq. ft.: 20,000+ BTU
Inverter Technology Benefits
Inverter AC units adjust compressor speed for consistent cooling, reducing energy consumption and noise. Look for models with energy-efficient refrigerants like R-32 and features that meet or exceed ENERGY STAR standards.
Installation Type
Ensure you have a suitable wall sleeve or cut-out size before purchase, as through-the-wall units require precise installation. Some models do not include sleeves, which may need separate purchasing.
Heating and Additional Features
If you need year-round use, select units offering heating, dehumidification, and fan-only modes. Smart connectivity with apps or voice assistants adds convenience for remote control.
Noise Levels
Quiet operation is crucial for bedrooms or offices. Check unit specs for dB ratings, aiming for 45 dB or lower for quiet comfort.
Energy Efficiency and Controls
Look for adjustable fan speeds, programmable timers, sleep modes, and energy-saving settings. Remote controls and smart home compatibility enhance usability.
Evaluating these points will help you choose a through the wall inverter air conditioner that fits your lifestyle and cooling needs efficiently.