We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Slider Window Ac Units 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Our Top Picks

#1

Winner

Frigidaire 10,000 BTU Window Air Conditioner with Remote Control, Cools Up to 450 Sq. Ft., Quiet Operation, Eco Mode, 3 Fan Speeds, Auto Restart, White

Rating
9.8
Chosen by1,487
Cooling Capacity (BTU)
Noise Level
Installation and Size

Most important from
17166 reviews

Cooling Capacity (BTU)
This air conditioner is perfect for small rooms, offering excellent cooling output and a long cord that adds convenience.
Noise Level
The noise level is impressively low, quieter than a pedestal fan, and virtually inaudible when watching videos.
Installation and Size
The unit is relatively light, making it manageable to install, especially with some assistance.
Additional Features
The electronic control version allows you to set the thermostat and forget, making it easy to maintain a comfortable temperature.

The Frigidaire FHWC103TC1 Window Air Conditioner offers a hearty 10,000 BTU cooling capacity, making it suitable for rooms up to 450 square feet. This makes it a good choice for medium-sized rooms or apartments. It boasts a Seasonal Energy Efficiency Ratio (SEER) of 10.9, which is decent, though not the highest in energy efficiency, as it’s not Energy Star certified. Users may see moderate energy savings but might pay a bit more in electricity costs compared to more efficient models.

Noise level is rated at 54 dB, which is relatively quiet for an AC unit, making it a comfortable option for bedrooms or living spaces where noise might be a concern. Installation should be straightforward as it includes a window kit, and at 57.8 pounds, it’s manageable for most people to install with a bit of help. The dimensions (21.4 x 18.9 x 14.6 inches) mean it will fit in most standard slider windows without too much hassle.

Additional features like the multi-speed fan, remote control, filter light reminder, and washable dust filter add to its convenience and ease of use. The remote control allows you to adjust settings without having to get up, and the filter light reminder ensures you maintain the unit's efficiency. One potential downside is the lack of Energy Star certification, which might be a concern for those prioritizing energy savings. The product comes with a 1-year manufacturer warranty, providing some peace of mind for buyers. This air conditioner is a reliable, moderately efficient, and quiet option with useful features for medium-sized spaces.

Rating
9.8
Chosen by1,487
Cooling Capacity (BTU)
Noise Level
Installation and Size

Most important from
17166 reviews

Cooling Capacity (BTU)
This air conditioner is perfect for small rooms, offering excellent cooling output and a long cord that adds convenience.
Noise Level
The noise level is impressively low, quieter than a pedestal fan, and virtually inaudible when watching videos.
Installation and Size
The unit is relatively light, making it manageable to install, especially with some assistance.
Additional Features
The electronic control version allows you to set the thermostat and forget, making it easy to maintain a comfortable temperature.
#2

LG 8,000 BTU Window Air Conditioner, 115V, Cools 340 Sq.Ft. for Bedroom, Living Room, Apartment, Quiet Operation, Electronic Control with Remote, 3 Cooling & Fan Speeds, Auto Restart, White

Rating
9.6
Cooling Capacity (BTU)
Noise Level
Installation and Size

Most important from
16797 reviews

Cooling Capacity (BTU)
Despite some minor issues like initial dents and a crooked blower fan due to shipping, the unit performs well and cools efficiently.
Noise Level
The LG air conditioner operates relatively quietly, with a noise level comparable to a window box fan, making it suitable for use in bedrooms.
Installation and Size
This unit is big and heavy, so be prepared for potential damage during shipping. Ensure to test it before installation to avoid wasting time and effort.
Additional Features
The inclined cooling grill is a standout feature, effectively directing cool air upwards to prevent hot air pockets from forming.

The LG 8,000 BTU Window Air Conditioner is a solid choice for cooling medium-sized rooms up to 340 square feet, making it suitable for bedrooms, living rooms, or apartments. Its cooling capacity is impressive, ensuring a comfortable environment. The unit operates quietly at 53 dB in low mode, which is beneficial for maintaining a peaceful atmosphere, especially during sleep or work.

The 3 cooling and fan speeds offer customization for different preferences, and the auto-restart feature is convenient during power outages, automatically resuming operation once power is restored. Additionally, the unit comes with a remote control and an easy-to-use digital control panel, enhancing usability. The 4-way air deflection allows flexible airflow direction, and the included filter light reminder helps maintain optimal performance.

The window installation kit and washable filter also add to its practicality. However, the product lacks an Energy Star certification, which might be a drawback for those seeking highly energy-efficient options. The Seasonal Energy Efficiency Ratio (SEER) of 13 is decent but not exceptional. The size and weight of the unit (58 pounds and dimensions of 19.6 x 19.4 x 12.4 inches) should be considered when planning installation, ensuring it fits well in the intended window space. While it offers good cooling performance and quiet operation, its energy efficiency could be improved for more eco-conscious buyers.

Rating
9.6
Cooling Capacity (BTU)
Noise Level
Installation and Size

Most important from
16797 reviews

Cooling Capacity (BTU)
Despite some minor issues like initial dents and a crooked blower fan due to shipping, the unit performs well and cools efficiently.
Noise Level
The LG air conditioner operates relatively quietly, with a noise level comparable to a window box fan, making it suitable for use in bedrooms.
Installation and Size
This unit is big and heavy, so be prepared for potential damage during shipping. Ensure to test it before installation to avoid wasting time and effort.
Additional Features
The inclined cooling grill is a standout feature, effectively directing cool air upwards to prevent hot air pockets from forming.
#3

Midea 5,000 BTU EasyCool Small Window Air Conditioner - Cool up to 150 Sq. Ft. with Easy-to-Use Mechanical Controls and Reusable Filter, Perfect for Small Bedroom, Living Room, Home Office

Rating
9.3
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
10931 reviews

Cooling Capacity (BTU)
It keeps rooms consistently cool, even in high temperatures, and maintains low humidity levels.
Energy Efficiency Ratio (EER)
This window unit is impressively efficient, using no more than 400 watts even at its max cooling and heating settings.
Noise Level
The Midea unit is extremely quiet, making it perfect for noise-sensitive users.
Installation and Size
Installation is straightforward, fitting perfectly even in smaller windows.
Additional Features
Although it lacks advanced features like a remote or thermometer, it performs well and is worth the price.

The Midea 5,000 BTU EasyCool window air conditioner is a solid option for cooling small spaces of up to 150 square feet, such as bedrooms, living rooms, or home offices. With an energy efficiency ratio (EER) of 11.0, it is relatively energy-efficient and helps reduce electricity costs. It features easy-to-use mechanical controls and comes with 7 temperature settings and 2 cooling/fan-only speeds, allowing for customizable comfort.

The included reusable filter helps maintain air quality and is easy to clean. The unit is moderately quiet at 57 dB, making it quieter than a typical refrigerator, which can be a plus for noise-sensitive users. Installing this AC unit is straightforward, as it fits window frames between 23 and 36 inches wide and at least 13 inches high. All necessary mounting accessories are included, although a screwdriver is required for installation.

One notable drawback is the lack of advanced electronic controls and remote operation, which some users might prefer for convenience. Additionally, while it performs well for its size, it is not suitable for larger spaces. The one-year parts and labor warranty provides some peace of mind, and the build quality is solid, making the Midea 5,000 BTU EasyCool an energy-efficient, user-friendly window air conditioner best suited for small rooms where basic cooling and ease of use are priorities.

Rating
9.3
Cooling Capacity (BTU)
Energy Efficiency Ratio (EER)
Noise Level

Most important from
10931 reviews

Cooling Capacity (BTU)
It keeps rooms consistently cool, even in high temperatures, and maintains low humidity levels.
Energy Efficiency Ratio (EER)
This window unit is impressively efficient, using no more than 400 watts even at its max cooling and heating settings.
Noise Level
The Midea unit is extremely quiet, making it perfect for noise-sensitive users.
Installation and Size
Installation is straightforward, fitting perfectly even in smaller windows.
Additional Features
Although it lacks advanced features like a remote or thermometer, it performs well and is worth the price.

Buying Guide for the Best Slider Window Ac Units

Choosing the right slider window air conditioning unit can make a significant difference in your comfort during hot weather. These units are designed to fit horizontally sliding windows and are a great option for cooling specific rooms or areas in your home. To make an informed decision, it's important to understand the key specifications and how they relate to your needs. Here are the main specs to consider when selecting a slider window AC unit.
Cooling Capacity (BTU)BTU stands for British Thermal Units and measures the cooling power of the air conditioner. This spec is crucial because it determines how effectively the unit can cool your space. Units with lower BTUs (5,000-8,000) are suitable for small rooms up to 350 square feet, while higher BTUs (10,000-12,000) can handle larger rooms up to 550 square feet. To pick the right one, consider the size of the room you need to cool. If the unit is too powerful for the space, it may cycle on and off too frequently, reducing efficiency.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) measures how efficiently the air conditioner uses energy. A higher EER means better energy efficiency, which can save you money on electricity bills. EER values typically range from 8 to 12. If you plan to use the AC unit frequently, opting for a higher EER can be beneficial. Look for units with an EER of 10 or above for better efficiency.
Noise LevelNoise level is an important consideration, especially if the unit will be placed in a bedroom or living area. Noise levels are measured in decibels (dB), and lower values indicate quieter operation. Units typically range from 50 to 60 dB. If you are sensitive to noise or need a quiet environment, look for units with lower dB ratings. For general use, a unit around 55 dB should be acceptable.
Installation and SizeSlider window AC units come in various sizes, and it's essential to ensure the unit fits your window dimensions. Measure your window's width and height to find a compatible unit. Additionally, consider the ease of installation. Some units come with installation kits that simplify the process. If you're not handy, look for units with straightforward installation instructions or consider professional installation.
Additional FeaturesModern slider window AC units often come with additional features such as remote control, programmable timers, sleep modes, and energy-saving settings. These features can enhance convenience and comfort. Think about which features are important to you. For example, a remote control can be handy for adjusting settings from across the room, while a programmable timer can help you save energy by automatically turning the unit off when not needed.

FAQ

Most Popular Categories Right Now