Ever sweltered through a heatwave, wishing for a cool breeze indoors? If you’re looking for a way to beat the heat without the hassle of window units or central air, a thru-the-wall air conditioner might be your perfect solution. These powerful little units offer a more permanent and often more efficient way to cool specific rooms.
But let’s be honest, choosing the right one can feel like a puzzle. You want something that cools effectively, fits your wall perfectly, and doesn’t break the bank. There are so many brands, sizes, and features to consider, it’s easy to feel overwhelmed and unsure where to start. What if you pick one that’s too small for your space, or too big and noisy?
Don’t worry, we’ve got your back! This guide will break down everything you need to know about thru-the-wall air conditioners. We’ll help you understand the key features, figure out the right size for your room, and even share tips on installation. By the end, you’ll feel confident choosing a unit that keeps you cool and comfortable all summer long.
Our Top 5 Thru The Wall Air Conditioners Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
 | LG 10 | 9.0/10 | Check Price |
 | Frigidaire Through-the-Wall Room Air Conditioner | 8.7/10 | Check Price |
 | BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU | 9.0/10 | Check Price |
 | Whirlpool WHAT081-1BW 8 | 9.1/10 | Check Price |
 | Keystone 23 | 8.8/10 | Check Price |
Top 5 Thru The Wall Air Conditioners Detailed Reviews
1. LG 10
Rating: 9.0/10
Beat the heat this summer with the LG 10,000 BTU Through the Wall Air Conditioner. This powerful unit cools rooms up to 440 square feet, making it ideal for your bedroom, living room, or apartment. Its crisp white finish blends seamlessly into any decor.
What We Like:
- Energy Efficient: Uses R-32 refrigerant, which is the most efficient available, and has an EER of 10.7.
- Powerful Cooling: Features 3 cooling speeds and 3 modes, including an Energy Saver mode that cycles the compressor to save power.
- Moisture Control: The Dry mode removes up to 2.9 pints of moisture per hour, keeping your room comfortable.
- Flexible Airflow: 4-way air deflection directs cool air exactly where you need it.
- Easy Installation: Comes with a snap-together trim kit and a protective mesh grille for a neat finish.
- Convenient Features: Includes a washable filter and a remote control for easy operation.
What Could Be Improved:
- Through-the-Wall Installation Only: This unit is designed for through-the-wall installation and cannot be used in a standard window.
This LG air conditioner offers efficient and effective cooling for medium-sized spaces. It’s a great option for those needing a dedicated wall unit for consistent comfort.
2. Frigidaire Through-the-Wall Room Air Conditioner
Rating: 9.3/10
Beat the heat with the Frigidaire Through-the-Wall Room Air Conditioner. This powerful unit delivers a cool 12,000 BTUs, making it perfect for rooms up to 550 square feet. Its sleek white design fits right into your wall, offering a clean look. Plus, it comes with handy features like a remote control and a timer to make staying comfortable even easier.
What We Like:
- Powerful Cooling: It cools large rooms effectively, up to 550 sq ft.
- Easy Installation: The through-the-wall design and slide-out chassis make setup and upkeep simple.
- Clean Air: The washable filter catches dust, helping the unit run better.
- Convenient Features: The programmable timer and Sleep Mode help you save energy and stay comfy.
- Customizable Comfort: Three fan speeds let you pick the perfect airflow.
- Reliable Operation: Auto restart ensures it keeps working after power outages.
What Could Be Improved:
- Window Use Not Supported: This unit is designed only for through-the-wall installation.
This Frigidaire air conditioner is a solid choice for anyone needing reliable and convenient cooling for a larger room. It offers great features that make staying comfortable a breeze.
3. BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU
Rating: 9.2/10
Beat the heat this summer with the BLACK+DECKER 18000 BTU Window or Through The Wall Air Conditioner. This powerful unit is designed to keep large rooms and living spaces up to 1000 square feet comfortably cool. Whether you’re looking to cool your entire apartment, a spacious living room, or even an office, this air conditioner delivers effective relief from the heat.
What We Like:
- It keeps rooms cool with 18,000 BTUs.
- It cools big spaces up to 1,000 square feet.
- It has a handy remote control with lots of features like sleep mode and a timer.
- Installation is easy for most windows.
- You can also install it through a wall if you prefer.
- It has four cooling levels: auto, low, medium, and high.
What Could Be Improved:
- Through-the-wall installation needs a professional.
This BLACK+DECKER air conditioner is a strong choice for cooling large areas. It offers great control and flexibility for your cooling needs.
4. Whirlpool WHAT081-1BW 8
Rating: 9.3/10
Beat the heat with the Whirlpool WHAT081-1BW 8,000 BTU Wall Air Conditioner. This bright white unit is designed to keep rooms up to 350 square feet comfortably cool. It’s a great option for living rooms, bedrooms, or even kitchens. Plus, it comes with a handy remote control for easy adjustments.
What We Like:
- Powerful cooling for spaces up to 350 sq. ft.
- 8-way directional louvers give you lots of control over airflow.
- Three fan speeds and four modes let you customize your comfort.
- Eco and Sleep modes help save energy and money.
- A 24-hour timer lets you set it and forget it.
- The filter is super easy to remove and clean.
- It fits standard wall sleeves with the included trim kit.
What Could Be Improved:
- The 5.9-ft power cord might be a bit short for some setups.
- While it has a dehumidifier function, it’s not a primary feature.
This Whirlpool air conditioner offers effective cooling and user-friendly features. It’s a solid choice for making your favorite rooms more comfortable during hot weather.
5. Keystone 23
Rating: 9.4/10
The Keystone 23,200 BTU Window-Wall Air Conditioner is a powerful unit designed to keep large rooms comfortable year-round. It offers cooling, supplemental heating, and dehumidification, making it a versatile option for any home.
What We Like:
- This AC cools big spaces, up to 1,500 square feet, really well.
- It also has a heating feature that works when it’s not too cold outside.
- You can also use it to take extra moisture out of the air with the dehumidifier.
- The smart remote controls the temperature accurately by checking the room’s temp.
- It helps save money on electricity with its energy-saving modes.
- The design saves space by fitting through a wall or window.
- A window installation kit is included.
What Could Be Improved:
- The supplemental heat isn’t meant to be the main heat source.
- The supplemental heat works best when the outside temperature is between 23 and 76 degrees.
- A minimum window height of 19.5 inches is needed for window installation.
This Keystone air conditioner is a solid choice for cooling and adding comfort to large rooms. Its multi-functionality and energy-saving features make it a practical addition to your home.
Your Thru-The-Wall Air Conditioner Buying Guide
Choosing the right thru-the-wall air conditioner can make a big difference in keeping your home cool and comfortable. These units are designed to be permanently installed through an exterior wall, offering a more robust cooling solution than window units. This guide will help you understand what to look for.
1. Key Features to Look For
Cooling Capacity (BTUs)
BTUs (British Thermal Units) measure how much heat an air conditioner can remove from a room. You need enough BTUs to cool your space effectively. Too few, and it won’t cool well. Too many, and it might cool too quickly, not removing enough humidity.
- Small rooms (100-150 sq ft): 5,000-6,000 BTUs
- Medium rooms (150-350 sq ft): 8,000-12,000 BTUs
- Larger rooms (350-550 sq ft): 14,000-18,000 BTUs
Energy Efficiency (EER/SEER)
Look for a high EER (Energy Efficiency Ratio) or SEER (Seasonal Energy Efficiency Ratio). Higher numbers mean the unit uses less electricity, saving you money on your energy bills. Energy Star certified units are a great choice.
Thermostat and Controls
A good thermostat lets you set your desired temperature accurately. Digital controls and remote options offer more convenience. Some units have programmable timers, which let you schedule cooling times.
Fan Speeds and Modes
Multiple fan speeds (low, medium, high) allow you to adjust airflow. Different modes like “cool,” “fan only,” and “energy saver” provide flexibility for various needs.
Air Filters
Easy-to-clean and replaceable air filters are important. They help improve air quality by trapping dust and allergens. Some filters are reusable, which is a nice bonus.
Noise Level (Decibels)
Air conditioners make noise. Check the decibel (dB) rating. Lower numbers mean a quieter unit, which is especially important for bedrooms or living areas.
2. Important Materials
Thru-the-wall air conditioners are built with durable materials to withstand outdoor elements. The outer casing is usually made of strong, weather-resistant metal, often coated to prevent rust. The internal components are designed for longevity. Look for units with sturdy grilles and good quality plastic for the control panel.
3. Factors That Improve or Reduce Quality
Improved Quality
- Brand Reputation: Well-known brands often have better quality control and customer support.
- Build Quality: A solid, well-constructed unit with no loose parts suggests better durability.
- Advanced Features: Features like smart connectivity, multi-stage filtration, and quiet operation often indicate higher quality.
- Warranty: A longer warranty period shows the manufacturer’s confidence in their product.
Reduced Quality
- Flimsy Construction: Units that feel light or have easily breakable parts may not last long.
- Poor Insulation: This can lead to reduced efficiency and increased noise.
- Limited Controls: Basic controls might not offer the flexibility needed for optimal comfort.
- Short Warranty: A very short warranty can be a red flag.
4. User Experience and Use Cases
Thru-the-wall air conditioners are ideal for rooms where window units aren’t practical or secure. They are a popular choice for:
- Single Rooms: Cooling a specific bedroom, home office, or sunroom.
- Apartments and Condos: Where window units might be restricted or less effective.
- Additions or Renovations: Providing dedicated cooling for a new space without relying on central air.
- Permanent Installations: They offer a clean look and are less prone to accidental dislodging than window units.
Users often appreciate the secure, permanent installation and the fact that they don’t block windows, allowing natural light. The main considerations for user experience are ease of cleaning filters, simplicity of controls, and how quietly the unit operates.
Frequently Asked Questions (FAQ)
Q: What is the most important factor when buying a thru-the-wall air conditioner?
A: The most important factor is choosing the correct BTU capacity for the size of your room. This ensures effective cooling and energy efficiency.
Q: How do I know what BTU size I need?
A: You can estimate based on the square footage of your room. Larger rooms need more BTUs. Manufacturers usually provide sizing charts.
Q: Are thru-the-wall air conditioners difficult to install?
A: Installation requires cutting a hole in an exterior wall and securing the unit. It’s often best to hire a professional for proper installation and sealing.
Q: Can I use a thru-the-wall unit in a room with a window?
A: Yes, you can. Thru-the-wall units are installed through the wall, not the window. They are a good alternative if you want to keep your windows free or if window units aren’t allowed.
Q: How often should I clean the air filter?
A: You should clean or replace the air filter at least once a month, or more often if you use the unit frequently or have pets.
Q: What does “Energy Star certified” mean?
A: Energy Star certified products meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. They use less energy, saving you money and helping the environment.
Q: How noisy are these units typically?
A: Noise levels vary by model. Look for the decibel (dB) rating. Units designed for bedrooms will generally be quieter than those for garages or workshops.
Q: Can I remove a thru-the-wall air conditioner if I move?
A: While they are designed for permanent installation, they can be removed. However, you will need to repair the hole in the wall afterward.
Q: Do these units require a special sleeve?
A: Most thru-the-wall units require a wall sleeve, which is a metal casing installed in the wall. The air conditioner then slides into this sleeve. You may need to purchase the sleeve separately.
Q: What is the difference between EER and SEER?
A: EER (Energy Efficiency Ratio) measures efficiency at a constant temperature. SEER (Seasonal Energy Efficiency Ratio) measures efficiency over an entire cooling season, taking into account varying temperatures, making it a more accurate measure for overall efficiency.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
My name is Carlos Gadd, and I am the creator of AirPurityGuide.com.. With a passion for footwear, I share my experiences, insights, and expertise about shoes. Through my blog, I aim to guide readers in making informed decisions, finding the perfect pair, and enhancing their footwear knowledge. Join me on this journey to explore everything about shoes!