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 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 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.