If you’re looking for an effective way to cool a room without sacrificing window space, a through the wall air conditioner is an excellent option. These units provide powerful cooling while being installed directly through an exterior wall, making them ideal for apartments, offices, or rooms lacking suitable windows. Below is a summary table highlighting 5 of the best through the wall AC units to help you make an informed choice.
| Product | Cooling Capacity | Coverage Area | Key Features |
|---|---|---|---|
| LG 10,000 BTU Through the Wall Air Conditioner | 10,000 BTU | Up to 440 Sq. Ft. | Energy efficient R-32 refrigerant, 3 cool/fan speeds, 4-way air deflection |
| TCL H12T9E1-A 12,000 Smart Through-The-Wall AC | 12,000 BTU | Up to 550 Sq. Ft. | Smart home compatible, built-in dehumidifier, remote control |
| 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 and sleep mode |
| Frigidaire 12,000 BTU Built-In Room Wall AC | 12,000 BTU | Varies (medium rooms) | Air ionizer, washable filter, multi-speed fan |
| OLMO 12,000 BTU 115V Through-the-Wall AC | 12,000 BTU | Residential/Commercial Use | Includes wall sleeve, smart kit, R-32 refrigerant |
LG 10,000 BTU Wall-Mounted Air Conditioner
This LG through-the-wall air conditioner offers energy-efficient cooling thanks to its use of R-32 refrigerant and an impressive Energy Efficiency Ratio (EER) of 10.7. It cools spaces up to 440 square feet, making it suitable for bedrooms, apartments, or living rooms. The model features three cooling speeds and three pre-programmed modes including a Turbo fan mode for rapid temperature reduction. The Energy Saver mode maintains air circulation while turning off the compressor once the desired temperature is met. Additionally, its 4-way air deflection allows customizable airflow direction. This unit is designed specifically for through-the-wall installation and is not suitable for window mounts.
TCL H12T9E1-A 12,000 BTU Smart Through-The-Wall AC
The TCL H12T9E1-A stands out with its smart compatibility, allowing control via Amazon Alexa or Google Assistant voice commands. Rated at 12,000 BTU, it effectively cools spaces up to 550 square feet. Featuring a built-in dehumidifier, you can reduce humidity and improve air quality by switching to Dry mode. Along with remote control convenience, this unit is well suited for medium-sized rooms such as bedrooms, living areas, or small offices. It emphasizes modern smart home integration without compromising on basic cooling performance.
BLACK+DECKER 18,000 BTU Window/Through The Wall AC Unit
This unit combines versatility and power by functioning as both a window and through-the-wall air conditioner. With 18,000 BTU capacity, it can cool rooms up to 1,000 square feet, ideal for larger living rooms or offices. It features three cooling speeds plus a fan-only mode, alongside a user-friendly remote control. Additional settings include sleep mode, energy saver, and a 24-hour timer for convenience and efficiency. Its strong cooling output makes it one of the more powerful options in this category.
Frigidaire 12,000 BTU Built-In Wall Air Conditioner
Designed for medium-sized rooms, the Frigidaire 12,000 BTU air conditioner features a multi-speed fan with three fan speeds to customize airflow. It also includes a built-in air ionizer, which helps reduce airborne particles for enhanced comfort and improved air quality. The washable dust filter is easy to clean and helps maintain optimal unit efficiency. This built-in style unit offers reliable cooling while incorporating air purifying technology.
OLMO 12,000 BTU 115V Through-the-Wall AC with Smart Kit
The OLMO 12,000 BTU through-the-wall air conditioner is designed for versatile residential and commercial use. Operating on 115V power, it uses environmentally friendly R-32 refrigerant. This model includes a wall sleeve for easy installation, plus a built-in wireless smart kit for remote operation. It is a cooling-only unit, ideal for users wanting a reliable, straightforward air conditioner with smart control features integrated.
Buying Guide For Through The Wall Air Conditioners
Choosing the right through the wall air conditioner involves considering several important factors to ensure optimal comfort and efficiency:
Cooling Capacity & Room Size
Select an AC unit with sufficient BTU power to cool your specific room size. Undersized units will struggle to maintain temperature, while oversized units may cycle on and off short, wasting energy. For example, 10,000-12,000 BTU units suit rooms of 400-550 sq. ft., while larger units with 18,000 BTU or more can cool spaces up to 1,000 sq. ft.
Installation Requirements
Through the wall units require a properly sized wall sleeve and an exterior wall with an electrical outlet matching the product’s voltage specifications (115V or 230V typically). Some units include the wall sleeve; others require a separate purchase. Confirm your wall thickness and electrical setup compatibility before ordering.
Energy Efficiency and Refrigerant Type
Look for units using modern refrigerants like R-32 that provide better cooling performance with lower environmental impact. Energy efficiency ratings such as EER help compare how efficiently a unit operates; higher is better.
Additional Features
- Smart Controls: Voice assistant compatibility or wireless remote control capabilities add convenience.
- Dehumidifier Function: Air conditioners with dry mode improve air quality by reducing indoor humidity levels.
- Air Filtration: Washable filters and air ionizers help keep the air cleaner.
- Fan Speeds and Modes: Multiple fan settings and energy saver modes improve comfort and efficiency.
Noise Level
Consider noise ratings or user feedback for quieter operation, especially if installing in bedrooms or study areas.
Review your space requirements, installation options, and desired features carefully to select the through-the-wall air conditioner that best matches your cooling needs and lifestyle.