10 Best Window Ac Unit For Sliding Window 2025 in the United States

The GE 5100 BTU Window Air Conditioner is a solid choice for cooling small rooms up to 150 square feet, such as bedrooms, studios, or small offices. Its capacity is well suited for these spaces, providing efficient cooling without excessive power. Installation is straightforward with the included EZ Mount kit, designed for double-hung windows that fit within the specified size range.

The unit features two cooling modes and fan speeds, along with 10 temperature settings, giving you flexible control over your comfort. Noise-wise, it operates at about 56 dB, which is moderately quiet and generally suitable for nighttime use, though some might find it noticeable if very sensitive to sound. The energy efficiency is on the lower side, with a Seasonal Energy Efficiency Ratio (SEER) of 2.6 and a 1-star energy rating, meaning it might consume more electricity compared to newer or higher-rated models.

The washable and removable filter makes maintenance simple, helping to keep the unit running effectively over time. The compact size and manageable weight (36 pounds) make it practical for typical window installation. While it lacks some advanced features found in pricier models, such as remote control or smart connectivity, it covers the basics reliably. This unit suits those seeking an affordable, easy-to-install window AC specifically for smaller rooms and who are willing to accept somewhat higher energy usage.

The LG 8,000 BTU Window Air Conditioner is designed to cool medium-sized rooms up to 350 square feet, making it a good fit for bedrooms, living rooms, or apartments. It operates at a relatively quiet 53dB in low mode, which is beneficial for maintaining a peaceful environment for sleeping or working. With its 3 cooling and fan speeds, along with an Auto Cool feature, it provides flexibility in temperature control tailored to your comfort needs.

The unit includes a digital control panel and a remote control for ease of use, and its 4-way air deflection ensures effective cooling distribution throughout the room. The auto-restart function is a handy feature, automatically turning the unit back on after a power outage. Additionally, the air conditioner comes with a filter light reminder, a washable filter, and an installation kit, making maintenance and setup straightforward.

The unit's Seasonal Energy Efficiency Ratio (SEER) of 13 and the absence of an Energy Star rating indicate it may not be the most energy-efficient option available. Its compatibility with sliding windows is not explicitly mentioned, so potential buyers with such windows should verify this aspect before purchasing. At 58 pounds, it is relatively heavy, which might complicate installation for some users. Despite these drawbacks, the air conditioner offers reliable performance and useful features for cooling medium-sized rooms.

The Midea 5,000 BTU EasyCool Small Window Air Conditioner is designed for cooling small spaces up to 150 square feet, making it suitable for bedrooms, living rooms, or home offices. It offers 7 temperature settings, 2 cooling speeds, and 2 fan-only speeds with a 2-way air direction to customize your cooling experience. This unit has an energy efficiency ratio (EER) of 11.0, which is decent and can help reduce energy costs over time. The noise level of 57 dB is relatively quiet, comparable to a household refrigerator, thus ensuring it won't disturb your peace.

The mechanical controls are straightforward to use, and it comes with a removable, reusable air filter for easy maintenance. The window compatibility is quite versatile, fitting windows between 23” to 36” wide and at least 13” high, and it includes all the necessary mounting accessories for installation. However, a screwdriver is required for setup, and possibly pilot holes depending on your window frame. Additionally, it uses the R410A refrigerant which is environmentally friendly.

One potential drawback is that it may not be suitable for larger spaces and might struggle in areas exceeding its recommended 150 sq. ft. The unit comes with a 1-year parts and labor warranty. For small room cooling needs, this Midea model is an efficient, budget-friendly option.