When it comes to cooling small to medium-sized spaces efficiently, choosing the right through the wall air conditioner matters. These units provide a sleek alternative to window ACs, freeing up window space and improving aesthetics. Below is a concise comparison table of the best smallest through the wall air conditioners selected for their size, cooling power, features, and smart capabilities to meet your cooling needs.
| Product | BTU Capacity | Coverage Area | Key Features |
|---|---|---|---|
| LG 7,800 BTU Wall AC | 7,800 BTU | Up to 330 sq. ft. | Energy efficient R-32 refrigerant, 3 cool & fan speeds, energy saver mode |
| TCL 12,000 BTU Smart Wall AC | 12,000 BTU | Up to 550 sq. ft. | Smart home compatible, dehumidifier function, remote control |
| OLMO 8,000 BTU Air Conditioner & Heater | 8,000 BTU | Medium rooms, residential/commercial use | Cooling & heating, wall sleeve included, remote, smart kit |
| OLMO 8,000 BTU Cooling-Only Wall AC | 8,300 BTU | Medium rooms | Remote control, smart kit included, cooling only |
| GE 5,000 BTU Window Air Conditioner | 5,000 BTU | Up to 150 sq. ft. | Compact size, low noise, manual adjustable fan and cooling settings |
LG 7,800 BTU Through the Wall Air Conditioner
The LG 7,800 BTU Through the Wall Air Conditioner is designed for rooms up to 330 square feet, making it ideal for bedrooms or offices. It operates with energy-efficient R-32 refrigerant which delivers an outstanding Energy Efficiency Ratio (EER) of 10.7, reducing electricity use. This unit offers 3 cooling speeds and 3 preset modes including a Turbo Fan mode for quick cooling. Its energy saver mode helps maintain comfort while reducing power consumption by running the fan with the compressor off. Installation is through the wall, with dimensions optimized at 24” W x 20.1” D x 14.4” H, but it’s not suited for window installation.
TCL H12T9E1-A 12,000 Smart Through-The-Wall Air Conditioner
This 12,000 BTU TCL Through-The-Wall AC cools larger spaces up to 550 sq. ft., suitable for living rooms or offices. Notable is its built-in dehumidifier mode which improves air quality by reducing moisture, preventing odors. It supports connectivity with Amazon Alexa and Google Assistant, enabling voice control and integration into smart home ecosystems. The included remote control manages temperature, fan speed, and modes, ensuring convenience without needing to physically adjust the unit.
OLMO 8,000 BTU Through-the-Wall AC & Heat System with Wall Sleeve
The OLMO 8,000 BTU Through-the-Wall Air Conditioner & Heat System provides both cooling and heating functions, with 8,000 BTU cooling and 4,200 BTU heating capacity making it versatile for year-round comfort. It includes a wall sleeve for easy installation and uses eco-friendly R-32 refrigerant. The system is designed for 115V electrical setups. Additionally, it features a remote control and a built-in wireless smart kit, enhancing usability and smart home integration options for residential or commercial spaces.
OLMO TTW 8,000 BTU 115V Through-the-Wall Air Conditioner Cooling Only
The OLMO TTW 8,000 BTU is a cooling-only unit offering 8,300 BTU capacity, aimed at medium rooms. It includes a remote control and built-in smart kit for convenient operation and integration with smart home systems. This model requires a separate purchase of a wall sleeve, providing installation flexibility. The unit runs on eco-friendly R-32 refrigerant and is built for 115V, 1 Phase electrical systems typical in U.S. homes.
GE Window Air Conditioner Unit, 5,000 BTU
The GE 5,000 BTU Window Air Conditioner is suitable for very small rooms up to 150 sq ft, such as bedrooms or offices. It is compact and includes an easy-install kit for fast setup. This unit operates quietly, making it ideal for nighttime use. It features manual adjustable fan and cooling settings, supporting customized comfort. Its smaller size and quiet operation make it a convenient choice where wall-mounted through-the-wall installation is not feasible.
Buying Guide: Choosing The Best Smallest Through The Wall Air Conditioner
Making the right choice for a through the wall air conditioner involves several considerations:
Cooling Capacity (BTU)
Select a unit with the appropriate BTU rating for your room size. Too small a unit won’t effectively cool, whereas too large can lead to inefficient cycling and higher energy use. Rooms up to 150 sq ft may need 5,000 BTU, while spaces up to 550 sq ft require 10,000-12,000 BTU.
Installation & Space Constraints
Through the wall units require appropriate wall thickness and a sleeve for proper mounting. Measure your available wall space and ensure electrical compatibility (most use 115V). Some models include sleeves while others require separate purchase.
Energy Efficiency and Refrigerant Type
Look for units using R-32 refrigerant, which is more environmentally friendly and energy-efficient. Higher EER ratings indicate better efficiency, reducing operating costs.
Additional Features
- Smart Home Compatibility: Enables voice control and remote adjustments through Alexa, Google Assistant, or proprietary apps.
- Dehumidifier Function: Useful in humid climates to reduce moisture and improve comfort.
- Heating Capability: Some models offer heating to provide all-season utility.
- Remote Control & Modes: Allows easy adjustments without needing to access the unit directly.
- Noise Levels: Important for bedrooms and offices; look for quiet operation to avoid disruptions.
Maintenance
Choose units with washable or easily replaceable filters to maintain air quality and efficiency without hassle.
By carefully weighing these factors, consumers can select the perfect smallest through the wall air conditioner that fits their space, lifestyle, and comfort preferences.