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 Costco Air Conditioners 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

Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner, Cools up to 350 Sq. Ft., Ultra Quiet with Open Window Flexibility, Works with Alexa/Google Assistant, 35% Energy Savings, Remote Control

Rating
10.0
Chosen by1,156
Noise Level
Smart Features

Most important from
11566 reviews

Noise Level
The Midea unit is impressively quiet, making it much easier to hold conversations even with the compressor on.
Smart Features
Smart features and app integration make controlling the unit remotely easy and convenient, enhancing user experience.

The Midea 8,000 BTU U Shaped Smart Inverter Window Air Conditioner is a solid choice for those looking to cool small to medium-sized rooms up to 350 square feet. Its unique U-shaped design makes it ultra-quiet, as it uses the window to block external noise, resulting in a noise level as low as 42 dB, much quieter than traditional units. This design also allows you to open the window for fresh air without removing the unit.

The air conditioner is energy efficient, boasting a 35% energy savings over traditional units and holding an Energy Star Most Efficient Certification with a Seasonal Energy Efficiency Ratio (SEER) of 15. This could lead to lower electricity bills over time. Smart features allow for easy control via a mobile app or voice commands using Alexa or Google Assistant, which adds convenience for tech-savvy users.

The robust installation process includes a quick-snap bracket, making it relatively easy to set up. The air conditioner also comes with a dust filter, fast cooling capabilities, and a dehumidifier, enhancing its functionality. One potential downside is its weight, at 55.6 pounds, which may make installation a two-person job. Despite this, the product receives high marks from customers, with a 4.4 out of 5-star rating from over 11,000 reviews. The Midea U Inverter AC is suitable for those who want a quiet, energy-efficient, and technologically advanced air conditioning solution for their home or office.

Rating
10.0
Chosen by1,156
Noise Level
Smart Features

Most important from
11566 reviews

Noise Level
The Midea unit is impressively quiet, making it much easier to hold conversations even with the compressor on.
Smart Features
Smart features and app integration make controlling the unit remotely easy and convenient, enhancing user experience.
#2

Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner Window Unit with Heat, 12,000 BTU, White

Rating
10.0
Energy Efficiency Ratio (EER)
Noise Level
Smart Features

Most important from
12618 reviews

Energy Efficiency Ratio (EER)
Energy efficiency is a standout feature, with the unit pulling no more than 400 watts on both cooling and heating modes.
Noise Level
The unit is impressively quiet, making it suitable for environments where low noise is essential.
Smart Features
The smart features, including WiFi connectivity and remote updates, enhance the usability and convenience of the unit.

The Midea MAW12HV1CWT EasyCool Smart Inverter Air Conditioner is a versatile 12,000 BTU unit that serves both cooling and heating needs, suitable for rooms up to 550 square feet. This unit is energy efficient, certified by Energy Star, boasting an Energy Efficiency Ratio (EER) of 13.3. It's designed with an inverter compressor, which helps in saving up to 35% on energy costs compared to standard models, making it a cost-effective choice for year-round use. Additionally, the air conditioner includes smart features like WiFi connectivity, allowing control via the SmartHome App, Alexa, or Google Assistant, which adds convenience to its use.

The inclusion of multiple modes and speed settings, as well as a 24-hour timer, further enhance its user-friendly nature. The noise level is quite low at 45 dBA on the quietest setting, making it suitable for bedrooms or workspaces where low noise is important. However, the heating function may not be effective if the outside temperature falls below 41°F, which could be a limitation for those in colder climates. Installation requires a specific window size, so ensuring compatibility with your window dimensions is essential. The unit is relatively heavy at 58 pounds, which might make installation challenging for some users.

With a 2-year limited warranty, the Midea MAW12HV1CWT appears to be a reliable choice for those seeking a multifunctional air conditioner. Those looking for a quieter, energy-efficient, and smart-featured unit will likely appreciate what this product offers, especially in regions with moderate temperatures.

Rating
10.0
Energy Efficiency Ratio (EER)
Noise Level
Smart Features

Most important from
12618 reviews

Energy Efficiency Ratio (EER)
Energy efficiency is a standout feature, with the unit pulling no more than 400 watts on both cooling and heating modes.
Noise Level
The unit is impressively quiet, making it suitable for environments where low noise is essential.
Smart Features
The smart features, including WiFi connectivity and remote updates, enhance the usability and convenience of the unit.
#3

Frigidaire 10,000 BTU Window Air Conditioner & Dehumidifier, 115V, Cools up to 450 Sq. Ft. for Apartment, Dorm Room & Small/Medium Rooms, with Remote Control, Programmable Timer, and Sleep Mode, White

Rating
9.8
BTU (British Thermal Units)
Noise Level
Smart Features

Most important from
1098 reviews

BTU (British Thermal Units)
Perfect for a small room, the Frigidaire 10,000 BTU Window Air Conditioner delivers excellent cooling performance even during heatwaves.
Noise Level
Remarkably quiet operation, quieter than a pedestal fan, ensures a peaceful environment.
Smart Features
Users appreciate the electronic controls which allow setting and forgetting the temperature, enhancing convenience.

The Frigidaire 10,000 BTU Window Air Conditioner & Dehumidifier is designed for rooms up to 450 square feet, making it suitable for apartments, dorm rooms, and small to medium-sized spaces. With 10,000 BTU of cooling power, it can efficiently cool and remove excess moisture, offering up to 3 pints per hour.

The unit features digital temperature controls, three fan speeds, and a variety of smart features including a programmable timer and sleep mode, which gradually increases the temperature overnight for comfort and quiet operation. The noise level is relatively low at 54 dB on the lowest setting, which is beneficial for maintaining a peaceful environment.

This model does not have an Energy Star certification and its SEER rating is 12, which means it may not be the most energy-efficient option available. The easy-to-clean washable dust filter with an alert is a convenient feature that helps maintain efficiency. Additionally, the included remote control adds ease of use. Weighing 57 pounds and with dimensions of 21.85 x 18.98 x 14.65 inches, it is reasonably sized for most window installations.

Rating
9.8
BTU (British Thermal Units)
Noise Level
Smart Features

Most important from
1098 reviews

BTU (British Thermal Units)
Perfect for a small room, the Frigidaire 10,000 BTU Window Air Conditioner delivers excellent cooling performance even during heatwaves.
Noise Level
Remarkably quiet operation, quieter than a pedestal fan, ensures a peaceful environment.
Smart Features
Users appreciate the electronic controls which allow setting and forgetting the temperature, enhancing convenience.

Buying Guide for the Best Costco Air Conditioners

Choosing the right air conditioner can make a significant difference in your comfort, especially during hot weather. When shopping for an air conditioner at Costco, it's important to consider several key specifications to ensure you get the best fit for your needs. Understanding these specs will help you make an informed decision and find an air conditioner that provides efficient cooling, fits your space, and meets your specific requirements.
BTU (British Thermal Units)BTU measures the cooling capacity of an air conditioner. The higher the BTU, the more powerful the unit is at cooling larger spaces. For small rooms (up to 150 sq. ft.), a unit with 5,000-6,000 BTU is sufficient. Medium-sized rooms (150-300 sq. ft.) require 7,000-8,000 BTU, while larger rooms (300-450 sq. ft.) need 10,000-12,000 BTU. For very large spaces, you may need a unit with 14,000 BTU or more. Choose a BTU rating that matches the size of the room you want to cool for optimal efficiency.
Energy Efficiency Ratio (EER)The Energy Efficiency Ratio (EER) indicates how efficiently an air conditioner uses electricity to cool a room. A higher EER means better energy efficiency, which can lead to lower electricity bills. EER is calculated by dividing the BTU rating by the unit's wattage. Look for air conditioners with an EER of 10 or higher for good energy efficiency. If you prioritize saving on energy costs, opt for a unit with a higher EER.
Noise LevelNoise level is measured in decibels (dB) and indicates how loud the air conditioner will be when operating. Lower dB levels mean quieter operation. For a peaceful environment, especially in bedrooms or living rooms, look for units with noise levels below 50 dB. If noise is less of a concern, you can consider units with higher dB levels. Choose based on where you plan to use the air conditioner and your sensitivity to noise.
Type of Air ConditionerThere are several types of air conditioners, including window units, portable units, and split systems. Window units are installed in a window and are ideal for single rooms. Portable units can be moved from room to room and are good for temporary cooling. Split systems have an indoor and outdoor unit and are suitable for cooling multiple rooms or larger spaces. Consider the installation requirements and flexibility you need when choosing the type of air conditioner.
Smart FeaturesSmart features include Wi-Fi connectivity, remote control via smartphone apps, and compatibility with voice assistants like Alexa or Google Assistant. These features allow you to control the air conditioner remotely, set schedules, and monitor energy usage. If you value convenience and tech integration, look for units with smart features. If you prefer a more traditional approach, you can opt for models without these features.
Filter TypeAir conditioners come with different types of filters, such as standard, HEPA, or activated carbon filters. Standard filters capture dust and larger particles, HEPA filters are more effective at trapping smaller particles like pollen and pet dander, and activated carbon filters help reduce odors. Choose a filter type based on your air quality needs. If you have allergies or pets, a HEPA filter may be beneficial. For general use, a standard filter may suffice.

FAQ

Most Popular Categories Right Now