10 Best Costco Air Conditioners 2025 in the United States

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.

The LG 12,000 BTU window air conditioner is a solid choice for cooling medium-sized rooms up to about 550 square feet, like bedrooms, living rooms, or apartments. Its 12,000 BTU power means it can handle typical spaces without struggling. It operates quietly, at around 52-53 dB on low settings, so it won’t be a noisy distraction while you work or sleep. You get three fan and cooling speeds along with an easy-to-use digital control panel and remote, making adjustments straightforward.

The air conditioner also includes a washable mesh filter with a reminder light, which helps keep the air clean and the unit efficient. With a 24-hour timer and auto restart feature, it offers decent convenience and energy-saving options. However, this unit doesn’t have advanced smart features like WiFi control or app connectivity, which some users might expect these days. Its seasonal energy efficiency ratio (SEER) of 13 is average, so it’s not the most energy-efficient model but should be reasonable for standard use.

The installation kit is included, making setup easier for a window unit. Weighing 81 pounds, it’s on the heavier side but typical for this capacity. This model is a dependable and user-friendly window air conditioner best suited for people who want reliable cooling with quiet performance and basic controls, without needing smart home integration.

The LG 10000 BTU Smart Window Air Conditioner is a solid choice for cooling medium-sized rooms up to about 450 square feet. Its 10,000 BTU power is effective for spaces like bedrooms or living rooms, and it offers three fan speeds plus auto cooling to customize airflow. One strong point is the smart ThinQ technology, letting you control the unit remotely through your phone or voice assistants like Alexa and Google, which adds convenience especially if you want to adjust settings without getting up. The unit operates fairly quietly around 52-53 decibels, which is reasonable for a window AC but not the absolute quietest on the market. Installation is designed to be quick and straightforward, which helps if you’re setting it up yourself. It includes a washable dust filter that’s easy to maintain, promoting cleaner air.

This model does not have Energy Star certification, so it may not be the most energy-efficient option available, reflected by its SEER rating of 11.4. Some users might notice slightly higher energy use compared to more efficient models. Additionally, while it features a dehumidifier function and auto restart after power loss, the noise level might still be a minor downside if you need near-silent operation during sleep. The included remote control and filter light reminder add user-friendly touches. Backed by a one-year warranty and positive customer ratings, this LG air conditioner combines smart features and solid performance, making it a good fit if you value easy control and decent quietness but don’t mind paying a bit more in energy costs.