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LG LW1024RSMX Window Conditioner, Wi-Fi Enabled vs Soleus Air 6,000 BTU Over-the-Sill Air

Updated July 2026 — LG LW1024RSMX Window Conditioner, Wi-Fi Enabled wins on cooling btu and price, Soleus Air 6,000 BTU Over-the-Sill Air wins on noise level and energy saving.

The LG LW1024RSMX offers superior cooling capacity and smart features, making it the better choice for larger spaces. The Soleus Air excels in aesthetics and quiet operation.

Why LG LW1024RSMX Window Conditioner, Wi-Fi Enabled is better

Cooling Power

10,000 BTU vs 6,000 BTU

Smart Features

LG ThinQ app integration

Coverage Area

Cools up to 450 sq ft

Why Soleus Air 6,000 BTU Over-the-Sill Air is better

Design

Over-the-sill design for unobstructed views

Quiet Operation

Noise moves outside

Installation

Tool-free installation

Overall score

LG LW1024RSMX Window Conditioner, Wi-Fi Enabled
85
Soleus Air 6,000 BTU Over-the-Sill Air
75

Specifications

SpecLG LW1024RSMX Window Conditioner, Wi-Fi EnabledSoleus Air 6,000 BTU Over-the-Sill Air
Cooling Capacity10,000 BTU6,000 BTU
Wi-Fi EnabledYesYes
Control AppLG ThinQMyTemp
Installation TypeWindowOver-the-sill
Fan Speeds33

Dimension comparison

LG LW1024RSMX Window Conditioner, Wi-Fi EnabledSoleus Air 6,000 BTU Over-the-Sill Air

Overview of the Products

The LG LW1024RSMX Window Conditioner is priced at $389.00, while the Soleus Air 6,000 BTU Over-the-Sill Air Conditioner costs $469.99. The LG model offers a higher cooling capacity of 10,000 BTU compared to the Soleus Air's 6,000 BTU. This significant difference in cooling power makes the LG unit more suitable for larger spaces, specifically designed for areas up to 450 square feet. In contrast, the Soleus Air's unique over-the-sill design allows for unobstructed window views, making it a more aesthetically pleasing option for those concerned about window visibility.

Cooling Performance

When it comes to cooling performance, the LG LW1024RSMX outshines the Soleus Air. With a cooling capacity of 10,000 BTU, the LG model is designed to efficiently cool spaces up to 450 square feet, making it ideal for medium to large rooms. On the other hand, the Soleus Air, with its 6,000 BTU output, is better suited for smaller areas. While both units offer multiple cooling and fan speeds, the LG's higher BTU rating indicates that it can deliver a more powerful cooling effect in larger environments.

Installation Process

The LG LW1024RSMX comes with an installation kit that simplifies the process, allowing for easy setup in a double-hung window. It has a fixed chassis and requires standard window dimensions, which may be a consideration for some users. The Soleus Air, however, boasts a tool-free installation method and does not require any drilling or alterations to the window frame. This unique design allows it to sit over the window sill, providing a safe installation that is also visually appealing, particularly for users who want to maintain their view.

Smart Features

Both air conditioners are equipped with smart features that enhance their usability. The LG LW1024RSMX uses the LG ThinQ app for remote control, allowing users to manage their air conditioning from anywhere. It is also compatible with voice commands via Google Assistant and Amazon Alexa. The Soleus Air also offers Wi-Fi connectivity, enabling remote control through a smartphone or voice assistants. However, the LG model's integration with smart home systems may provide a more seamless user experience, particularly for those already invested in smart home technology.

Noise Levels

Noise level is an important aspect of air conditioners, especially in residential settings. The Soleus Air claims to have a quiet operation by moving noise outside the building, which could be advantageous for users sensitive to sound. While the LG LW1024RSMX does not specify its noise level, the absence of specific quiet operation claims suggests it may not be as quiet as the Soleus Air. Users who prioritize a peaceful environment may find the Soleus Air to be the better option in this regard.

Maintenance and Cleaning

Both models are designed for easy maintenance, but they differ in their cleaning processes. The LG LW1024RSMX features a washable dust filter that can be easily removed and cleaned to maintain optimal performance. It also includes a Clean Filter Alert to notify users when it's time to clean the filter. The Soleus Air also features a washable and reusable filter that can be rinsed every few weeks. While both units facilitate easy maintenance, the LG’s alert system may provide an added layer of convenience for users who may forget to check their filters regularly.

Energy Efficiency

Energy efficiency is a key consideration for many consumers. While the specific Energy Efficiency Ratio (EER) is not provided for either model, both units feature energy-saving modes. The Soleus Air includes a 24-hour timer and sleep mode, which can help reduce energy consumption when not in use. The LG LW1024RSMX also offers modes like cool, fan, and dry, allowing users to customize their cooling to save energy. Without explicit EER values, it is challenging to determine which unit is more energy-efficient, but both brands emphasize energy-saving features.

Which should you buy?

Choosing between the LG LW1024RSMX and the Soleus Air ultimately depends on your specific needs and preferences. The LG model is a solid choice for those needing powerful cooling for larger spaces, thanks to its 10,000 BTU capacity and smart home integration. However, if aesthetics and quiet operation are your top priorities, the Soleus Air's unique over-the-sill design and quieter functionality may appeal more to you. Additionally, the price difference of about 17%—with the Soleus Air at $469.99 compared to the LG at $389.00—might also influence your decision based on your budget.