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The Best Through-The-Wall Air Conditioners in 2024: Cooling Your Space Efficiently

CEO Khai Intela
In-wall air conditioners, also known as through-the-wall or wall-mounted AC units, offer a unique cooling solution that saves space and effectively cools areas up to 700 sq ft. These AC units are gaining popularity, especially...

In-wall air conditioners, also known as through-the-wall or wall-mounted AC units, offer a unique cooling solution that saves space and effectively cools areas up to 700 sq ft. These AC units are gaining popularity, especially in the Northeast US where 58% of homes have a window/wall AC unit.

Window/wall AC units are most prevalent in the Northeast. Window/wall AC units are most prevalent in the Northeast.

If you're looking for the best in-wall air conditioner, there are a few key factors to consider. Firstly, determine the appropriate size for your space, ranging from 8,000 BTU to 14,000 BTU. Brands such as Koldfront, Frigidaire, and LG are known for producing high-quality in-wall AC units. Energy efficiency is also crucial, measured by the EER (Energy-Efficiency Ratio) rating. Lastly, reliability matters, and trusted brands like Koldfront, Frigidaire, LG, Friedrich, Midea, and Keystone are recommended.

To help you make an informed decision, LearnMetrics has prepared a comprehensive guide on choosing and comparing the best through-the-wall air conditioners in 2024. Let's dive in!

In-Wall vs Through-The-Wall vs Wall-Mounted vs Built-In Air Conditioners (Clearing Up Terminology)

The terminology surrounding in-wall air conditioners can be confusing. Let's clarify the different names used to describe these AC units:

  • In-Wall Air Conditioners: Installed and operated inside the wall.
  • Through-The-Wall Air Conditioner: Installed through the wall, avoiding the need for venting like portable ACs.
  • Wall-Mounted Air Conditioners: Mounted inside the wall, resembling a hanging painting.
  • Wall Sleeve Air Conditioner: Installed with the help of a sleeve to prevent vibrations and minimize noise levels.
  • Built-In Air Conditioners: Air conditioners integrated into the wall.

Remember, these terms are used interchangeably: In Wall AC = Through-The-Wall AC = Wall Mounted AC = Wall Sleeve AC = Built-In AC.

Air conditioners installed within the wall are known by many names. Air conditioners installed within the wall are known by many names.

Now, let's explore the essential metrics of in-wall air conditioners:

In Wall AC Units Have Cooling Capacity Of 8,000 BTU To 14,000 BTU

In-wall air conditioners offer a wide range of cooling capacities, measured in British Thermal Units (BTUs). These AC units can cool spaces effectively, from 8,000 BTU to 14,000 BTU. For example, the Koldfront WTC8001W is an 8,000 BTU unit suitable for spaces up to 350 sq ft, while the Keystone KSTAT14-2C boasts a 14,000 BTU capacity, suitable for up to 700 sq ft.

8,000 BTU to 14,000 BTU thru-the-wall air conditioners can also be installed directly under the window. 8,000 BTU to 14,000 BTU thru-the-wall air conditioners can also be installed directly under the window.

While portable AC units and other window air conditioners can achieve similar capacities, it's essential to choose the right size for your space. The recommended coverage area is approximately 20 BTU per sq ft. For energy-saving operation, it's better to slightly exceed this recommendation. If unsure about the appropriate size for your through-the-wall air conditioner, consider using our BTU calculator or consult with experts.

Thru The Wall AC Heating Capacity (Some Built-In ACs Are Heat Pumps)

Some through-the-wall air conditioners come with heating capabilities, acting as heat pumps. These units can provide supplemental heating or serve as stand-alone heating systems. For example, the Koldfront WTC8001W offers 8,000 BTU cooling output and 4,200 BTU heating output, serving as a supplemental heating system alongside central heating.

The LG LT1037HNR stands out as the best in-wall air conditioner with a heater. Its 10,000 BTU cooling capacity is complemented by an impressive 11,200 BTU heating output. This makes it a versatile choice for year-round use.

Most in-wall air conditioners, however, are AC-based only, perfect for cooling during the summer months.

Coverage Area Of Through The Wall Air Conditioners Is Up To 700 Sq Ft

Choosing the right coverage area for your in-wall air conditioner is crucial. The recommended rule is to have approximately 20 BTU per sq ft. For example, an 8,000 BTU unit can cool spaces up to 350 sq ft, while a 14,000 BTU unit can cool spaces up to 700 sq ft.

It's better to err on the side of caution and choose a slightly larger unit to ensure adequate cooling. The Keystone KSTAT14-2C is a notable option, with its 14,000 BTU capacity covering up to 700 sq ft.

How Energy Efficient Are In Wall Air Conditioners? (EER Rating)

Energy efficiency plays a significant role in reducing electricity costs while maintaining optimal cooling performance. The energy efficiency of in-wall air conditioners is measured using the Energy-Efficiency Ratio (EER) rating. The higher the EER rating, the more energy-efficient the unit.

While portable AC units typically have an average EER rating of 8.5, window air conditioners often achieve around 10. The best in-wall air conditioners featured in this guide have EER ratings of 10 or higher. Notably, the Friedrich CP08G10B boasts an outstanding EER rating of 11.2, offering excellent cost-saving benefits.

How Reliable Are Wall Sleeve Air Conditioners? (Brand Importance)

Durability and reliability are crucial factors when selecting an in-wall air conditioner. Investing in a reputable brand with a strong track record can ensure a longer lifespan for your AC unit.

Leading brands to consider include Koldfront, Frigidaire, LG, Friedrich, Midea, and Keystone. These brands have established themselves as reliable and trustworthy manufacturers of top-rated in-wall air conditioners. Midea, in particular, offers affordable options without compromising quality, as seen with their MIDEA MAT08R1ZWT 8,000 BTU model.

Required installation hardware with a sleeve; every in-wall AC producer has their kit. Required installation hardware with a sleeve; every in-wall AC producer has their kit.

Installing an in-wall air conditioner is easier than it may seem, thanks to installation kits and sleeves provided by manufacturers. While some brands include sleeves with their units, others require separate purchases. Sleeves typically cost between $100 and $150.

Best Through The Wall Air Conditioners In 2024 (Comparison)

After considering all the important factors, it's time to explore the best through-the-wall air conditioners available in 2024. These units have been carefully selected based on their performance, reliability, energy efficiency, and value for money. Let's take a closer look:

  1. Koldfront WTC8001W: The overall best through-the-wall air conditioner, offering excellent cooling and supplemental heating capabilities.
  2. Frigidaire FFTA123WA1: The best 12,000 BTU option, ideal for larger spaces, with Energy Star certification.
  3. LG LT1037HNR: The best through-the-wall air conditioner with a heater, providing year-round comfort.
  4. MIDEA MAT08R1ZWT: The cheapest through-the-wall AC unit, offering affordability without sacrificing quality.
  5. Keystone KSTAT14-2C: The best option for larger spaces, delivering an impressive 14,000 BTU cooling capacity.
  6. Friedrich CP08G10B: The most energy-efficient small through-the-wall AC unit, reducing long-term electricity costs.

Each of these air conditioners offers unique features and benefits, catering to different needs and budgets.

If you're ready to enjoy efficient cooling without sacrificing valuable space, consider investing in a through-the-wall air conditioner. With the right size, brand, and energy efficiency, you can create a comfortable environment in your home or office.

If you have any additional questions about in-wall AC units or need assistance in choosing the right one for your needs, feel free to leave a comment below. We're here to help you make the best decision!

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