10 Best Energy Efficient Window Air Conditioner 2024 in the US

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Multi-Speed Fan: Offers three fan speeds for flexible cooling options and improved air circulation.

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Energy Saver Mode: Helps reduce utility bills by cycling the unit on and off to maintain the set temperature.

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Sleep Mode: Gradually increases temperature for comfort and energy savings during the night.

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Programmable Timer: Allows for scheduling and automatic operation in half-hour increments for convenience.

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Remote Temperature Control: Enables precise temperature adjustments from a distance using the remote control.

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Maximum Cooling: Provides 10,000 BTU cooling power to effectively cool spaces up to 450 square feet, suitable for medium to large rooms.

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Smart Connectivity: Features LG ThinQ technology for remote control via mobile app, and is compatible with Google Assistant and Amazon Alexa for voice commands.

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Easy Installation: Comes with an EZ Mount installation kit and a fixed chassis design for quick and hassle-free setup in double hung windows.

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Washable Dust Filter: Includes an easy-to-clean washable filter that captures dust and improves air quality, with a reminder to clean every 30 days for optimal performance.

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User-Friendly Accessories: Comes with a remote control for convenient operation, an easy window installation kit, and a check filter alert for maintenance reminders.

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Supplemental Heat Option: Adds warmth to your space on cooler days.

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Multiple Fan Speeds: 2 cooling, heating, and fan speeds for customization.

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Low Noise Performance: Operates at 52dB in low mode for minimal noise.

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Auto Restart: Automatically resumes operation after power failure.

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Cools Up to 330 Sq Ft: Ideal for medium rooms, covering 330 square feet.

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Ultra Quiet Operation: U-shape design blocks outside noise, with inverter technology ensuring low noise levels of 32 dBA.

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Energy Efficient: Advanced DC Inverter technology leads to more than 35% energy savings and ENERGY STAR Most Efficient Certification.

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Smart Control: Wi-Fi enabled with app control via MSmartHome on iOS/Android and voice commands through Alexa or Google Assistant.

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Open Window Flexibility: U-shaped design allows for window opening, fresh air intake, and a more preserved view.

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Secure Installation: Includes a quick-snap bracket for easy installation and an Anti-Theft Mechanism for safety.

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3 IN 1 COMFORT: Cool, fan, and dehumidifier modes for versatile comfort.

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Coverage: Cools spaces up to 250 sq. ft. quickly.

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Quiet Operation: Operates as low as 52dB in low mode.

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Easy Installation: Fits window frames 23"-36"x14" with included accessories.

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Energy Efficient: Eco mode and EasyTimer for energy savings.

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Ultra Quiet Operation: Operates at low sound levels, as quiet as 44dB, due to DUAL Inverter technology, ensuring a peaceful environment.

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Energy Efficiency: DUAL Inverter technology exceeds Energy Star requirements by 25%, providing energy savings.

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Smart Control: LG ThinQ Technology enables remote operation via an app, and compatibility with Amazon Alexa and Hey Google for voice commands.

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Multiple Fan Speeds: Offers 4 cooling and fan speeds with Auto Cool, including a user-friendly digital control panel and LCD remote control for customized comfort.

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Room Coverage: Effectively cools rooms up to 450 square feet, making it suitable for medium-sized spaces.

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Extra Quiet Performance: Operates at 42dBA, 2% quieter than standard ACs.

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Inverter Technology: Ensures consistent, energy-efficient cooling.

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ENERGY STAR Most Efficient: Offers up to 47% annual energy savings.

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Wi-Fi Connected: Control via Frigidaire app from anywhere.

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Auto Swing Louver: Provides optimum air circulation with three fan speeds.

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Year-Round Use: Operates in all seasons with heating function.

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Supplemental Heating: Provides additional heat beyond cooling.

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Versatile Functionality: More than just a standard air conditioner.

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Cooling Capacity: 12,000 BTU cools rooms up to 550 sq. ft.

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Dehumidification: Removes up to 3.8 pints of moisture per hour

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Energy Efficiency: Low power start-up conserves energy

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User-Friendly Controls: Ready-select electronic controls for easy operation

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Air Quality: Washable mesh filter removes dust and particles

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Efficient Cooling: Designed to cool rooms up to 250 sq ft, perfect for small spaces like bedrooms and offices.

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6000 BTU Capacity: Delivers 6000 BTU cooling capacity, making it ideal for smaller rooms.

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Low-Noise Operation: Operates quietly, ensuring minimal disruption, especially during nighttime.

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Energy-Efficient: Features 3 cooling modes and 3 fan speeds for flexible and optimal temperature control.

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Digital Controls: Easy-to-use digital controls for convenient adjustments to cooling settings.