When it comes to maintaining a comfortable indoor environment, having the right air conditioning system is key. Through-the-wall air conditioners offer a practical solution for year-round climate control, combining cooling and heating capabilities in a single unit. In this post, we’ll explore the six best options available, highlighting their features and benefits to help you make an informed choice for your home. Whether you’re seeking energy efficiency, quiet operation, or advanced technology, there’s an ideal unit for your needs. Let’s dive in!






Introducing the LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat, perfect for maintaining comfort in your medium-sized rooms up to 440 square feet. With both cooling and heating capabilities, this versatile unit is designed to provide year-round climate control, ensuring your space feels just right, whether it’s a hot summer day or a chilly winter evening. The 4-way air deflection system lets you direct airflow exactly where you need it, while the energy-saving features, including a 24-hour timer, help you save on utility bills.
Convenience is key with the LG LT1033HNR, which comes equipped with a user-friendly digital control panel and a handy remote for easy adjustments from anywhere in the room. The auto-restart function ensures your comfort is uninterrupted during power outages, while the washable filter helps keep the air fresh and clean. With a sleek design and powerful performance, this wall-mounted air conditioner is an ideal addition to your bedroom or office, making it a smart choice for your climate control needs.
LG 9,800 BTU Wall Air Conditioner
Transform your space into a cool oasis with the LG 9,800 BTU Through-the-Wall Air Conditioner, designed to efficiently chill areas up to 440 sq. ft. With its versatile three cooling and fan speeds, you’re in complete control to create just the right atmosphere for any occasion. Plus, the handy remote control makes it easy to adjust settings from the comfort of your couch or bed.
Crafted for convenience, this wall AC unit features a 24-hour on/off timer and energy saver mode to help you cut down on energy costs. The auto restart function ensures you won’t have to worry about your comfort during power outages, while the washable filter and check filter alert keep the air clean and fresh. Enjoy a blend of efficiency and ease with this reliable cooling solution!
OLMO 8,000 BTU Through-the-Wall AC
The OLMO TTW 8,000 BTU Through-the-Wall Air Conditioner is an exceptional choice for anyone looking to cool their space efficiently. With a powerful cooling capacity of 8,300 BTU, this unit is perfect for residential, commercial, or hotel use, and it operates quietly, making it an ideal addition to any room. The included remote control and smart kit provide you with convenient options for adjusting the temperature from anywhere in the room, ensuring your comfort on even the hottest days.
Designed for easy installation and compatibility with 115V systems, this air conditioner utilizes eco-friendly R-32 refrigerant for enhanced efficiency. Users rave about its cooling ability and user-friendly app, making it simple to control via your smartphone. Although some have noted challenges with the filter removal, the overall performance and convenience of this unit make it a fantastic investment for keeping your space cool and comfortable.
LG 7,800 BTU Wall Air Conditioner
The LG 7,800 BTU Through the Wall Air Conditioner is an efficient cooling solution for rooms up to 330 square feet, making it ideal for your bedroom or office space. With an energy efficiency ratio (EER) of 10.7 and the modern R-32 refrigerant, you can enjoy a cool and comfortable environment while keeping your energy bills in check. The unit features three cooling speeds and a remote control for easy adjustments, ensuring that you can tailor your comfort from anywhere in the room.
Designed for through-the-wall installation, this sleek unit not only performs well but also enhances the aesthetic of your space. It’s equipped with a washable and reusable filter, making maintenance a breeze. Plus, the included trim kit and outdoor grille provide a neat finish to your installation. Whether you’re working or relaxing, you can count on the LG air conditioner to operate quietly while efficiently maintaining your ideal temperature.
OLMO 12,000 BTU Wall Air Conditioner
The OLMO 12,000 BTU Through-the-Wall Air Conditioner is a powerful cooling solution perfect for residential and commercial spaces. Equipped with a built-in Smart Kit and remote control, you can easily manage your comfort with just a push of a button. Its efficient R-32 refrigerant makes it an eco-friendly choice, while the included wall sleeve ensures a seamless installation process.
While some users have noted challenges with installation instructions, many have praised the unit’s cooling performance and sleek design. With features like digital controls and wireless smartphone compatibility, you can tailor your cooling experience to suit your needs. Whether you’re replacing an older unit or outfitting a new space, the OLMO air conditioner promises reliable cooling for years to come.
Whirlpool 14,000 BTU Wall AC Unit
The Whirlpool 14,000 BTU Through the Wall Air Conditioner is your ideal solution for efficient cooling in larger spaces up to 700 square feet, making it perfect for living rooms, bedrooms, or kitchens. With a dehumidification capability of up to 2.1 pints per hour, this unit not only cools your space but also keeps it comfortable by controlling humidity levels. The programmable 24-hour timer, along with three cooling speeds and Eco mode, allows you to tailor your cooling experience to suit your schedule while conserving energy.
Designed for easy installation, this air conditioner fits standard wall sleeves and features a sleek design with 8-way directional louvers for optimal airflow. You’ll appreciate the convenience of the remote control, which lets you adjust settings from anywhere in the room, while the quick-access filter ensures simple maintenance. While some users have experienced challenges with longevity and customer service, many appreciate the unit’s quiet operation and effective cooling performance, making it a reliable choice for your home comfort needs.
Explore Your Cooling Options



Key Factors to Consider When Selecting the Right Through-the-Wall Air Conditioner
- Cooling Capacity: Look for the BTU (British Thermal Unit) rating to ensure the unit can effectively cool your space. As a general rule, you’ll want about 20 BTUs per square foot of living area. Make sure to calculate your room size to find the right capacity for your needs
- Energy Efficiency: Check the Energy Efficiency Ratio (EER) or Seasonal Energy Efficiency Ratio (SEER) ratings. Higher ratings mean better efficiency, which can save you money on energy bills over time. Units with the ENERGY STAR label are a great choice for optimal efficiency
- Noise Level: Since these units will be installed in your wall, consider how noisy they might be during operation. Look for the decibel (dB) rating, and aim for a quieter model if noise is a concern for you—especially if the unit will be in a bedroom or a living area
Top Brands for Comfort
Common Questions About Through-the-Wall Air Conditioners
Absolutely! When it comes to high-quality through-the-wall air conditioners, there are several brands that consistently receive positive reviews for their performance and durability. Some of the most reputable brands include:
- Frigidaire – Known for a range of energy-efficient models, Frigidaire offers reliable cooling and features like programmable timers.
- GE (General Electric) – GE’s through-the-wall air conditioners are praised for their durability and user-friendly controls.
- LG – LG models often come with advanced features such as Wi-Fi connectivity and energy-saving modes, making them a popular choice.
- Mitsubishi – While typically known for their ductless mini-split systems, Mitsubishi also provides through-the-wall options that are highly efficient and quiet.
- Amana – This brand offers solid, budget-friendly options with good energy ratings and effective cooling capabilities.
- Whirlpool – Known for reliability, Whirlpool’s models often come with various features tailored to user comfort.
When selecting a unit, consider factors such as BTU capacity, energy efficiency ratings, and specific features that meet your needs. Happy cooling!
To determine the correct BTU (British Thermal Unit) rating for a through-the-wall air conditioner, you’ll want to consider several key factors:
- Room Size: Measure the square footage of the room where the air conditioner will be installed. A general rule of thumb is that you need about 20 BTUs for every square foot of living space. For example, if your room is 300 square feet, you would need approximately 6,000 BTUs.
- Ceiling Height: If your ceiling is higher than the standard 8 feet, you may need to increase the BTU rating. For every additional foot of height, consider adding approximately 10% more BTUs.
- Room Characteristics: Take into account factors such as the number of windows, the amount of sunlight the room receives, and insulation quality. For instance, if your room gets a lot of sun, you might need to add about 10% more BTUs. Conversely, if the room is heavily shaded, you can reduce the BTU requirement by about 10%.
- Occupancy: If you expect more than two people to use the room regularly, add about 600 BTUs for each additional person.
- Appliances and Electronics: If there are heat-generating appliances or electronics in the room, you’ll want to factor that in, adding around 400 BTUs for each unit.
- Climate: Consider your local climate. In hotter areas or during heat waves, you may want to choose a unit with a higher BTU rating for better cooling performance.
By assessing these factors, you can accurately estimate the BTU rating your through-the-wall air conditioner should have, ensuring optimal comfort and efficiency in your space!
I’m really tempted by that OLMO 8,000 BTU unit! However, I’ve read mixed reviews about its durability. Has anyone here had long-term experience with it?
It’s always good to get real user feedback! I hope someone can share their long-term experience with the OLMO 8,000 BTU unit.
I appreciate your expertise in this area! It’s nice to see a roundup that actually helps people make informed decisions. Keep up the great work!
I was a bit surprised to see the Whirlpool 14,000 BTU Wall AC Unit on the list. I got one last summer, and it really cools down my living space fast! But, honestly, I think it could be a bit quieter. Anyone else feel that way?
Thanks for sharing your experience! The Whirlpool is known for its powerful cooling, but noise can definitely be a concern for some users. It’s always a trade-off!
I would suggest checking out the Friedrich 12,000 BTU Through-the-Wall AC too! It’s been a lifesaver for my apartment. Super reliable and efficient. Just a thought!
Thanks for the suggestion! Friedrich units are known for their durability and performance, so that’s a great addition to consider!
Big thanks for this roundup! I’m considering getting an air conditioner for my studio, and this helped a ton. But could you elaborate on the differences between the OLMO models? I’m a bit confused about which one is better for my needs.
Happy to help! The main differences between the OLMO models are in their BTU ratings and features. I’ll try to provide a comparison soon!
Thanks for the roundup! I’ve had the LG 9,800 BTU Wall AC Unit for a couple of years now, and it works like a charm! Love the energy efficiency and how quiet it is. Definitely agree with you on its performance! Any chance you could do a deep dive on its energy-saving features? That’d be super helpful!
I’m glad to hear you love the LG unit! Its energy efficiency is definitely a highlight. I’ll consider doing a deeper look into its energy-saving features in the future. Thanks for the suggestion!
Great list! I’ve been eyeing the OLMO 12,000 BTU Wall Air Conditioner. The price seems pretty reasonable for that BTU rating. Do you think it’s worth it, or should I hold out for a sale?
The OLMO 12,000 BTU unit is definitely a solid choice! Pricing can vary, but if you find a good deal, it might be worth snagging it now rather than waiting!
I love the idea of through-the-wall ACs! They save so much space. Just a tip: make sure to seal around the unit properly to avoid air leaks. It really helps with efficiency!
Great tip! Proper sealing can make a big difference in efficiency and comfort. Thanks for sharing!
I’ve got the LG 7,800 BTU Wall Air Conditioner, and honestly, it’s the best investment I’ve made this year. Super easy to install, and it cools my small home office perfectly. Highly recommend it!
Glad to hear it’s working so well for you! The LG 7,800 BTU unit is indeed a great choice for smaller spaces.