Best Long Window Air Conditioners for Efficient Cooling 2025

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Choosing the best long window air conditioner involves considering cooling capacity, noise levels, energy efficiency, and smart features. Below is a quick summary table of five top-rated window AC units ideal for American homes, designed to deliver effective cooling while accommodating different room sizes and preferences.

Product Cooling Capacity (BTU) Room Size Coverage Key Features
Midea MAW08V1QWT U-Shaped Air Conditioner 8,000 Medium Rooms Energy Star Certified, Ultra Quiet, Wi-Fi Enabled
GE AWCS12WWA 12,000 BTU Smart Window AC 12,000 Large Rooms (up to 550 sq ft) Smart App Control, Easy Install Kit, Remote Included
BLACK+DECKER 14,300 BTU Window Air Conditioner 14,300 Very Large Rooms (up to 700 sq ft) Remote Control, Multiple Speeds, Sleep Mode
Frigidaire 5,000 BTU Window Air Conditioner 5,000 Small Rooms (up to 250 sq ft) Quiet Operation, Effortless Temperature Control
Midea MAW05R1BWT-A 5,000 BTU Window Air Conditioner 5,000 Small Rooms (up to 150 sq ft) 3-in-1 Mode, Remote Control, Quiet Operation

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

Midea MAW08V1QWT U-Shaped AC Window Air Conditioner

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This Midea U-Shaped window air conditioner offers an ultra-quiet operation by blocking outside noises with its unique U-shape design. The advanced inverter technology ensures more than 35% energy savings compared to traditional units. This model is Wi-Fi enabled, allowing you to control it remotely through the SmartHome app or via voice command with Alexa and Google Assistant, enhancing convenience. It’s an excellent fit for medium-sized rooms, combining energy efficiency and smart controls seamlessly.

GE AWCS12WWA 12,000 BTU Wi-Fi Enabled Window Air Conditioner

GE AWCS12WWA Window Air Conditioner

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The GE AWCS12WWA is designed to cool large rooms up to 550 sq ft efficiently with its 12,000 BTU capacity. This unit stands out with smart device integration, letting users control settings via the SmartHQ app or voice assistants like Alexa. It also includes an easy install kit for straightforward setup and a remote control for convenience. Ideal for living rooms, its quiet operation enhances comfort without disruptive noise.

BLACK+DECKER Window Air Conditioner 14,300 BTU for Large Rooms

BLACK+DECKER Window Air Conditioner 14300 BTU

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This BLACK+DECKER AC unit delivers powerful cooling with 14,300 BTU, suitable for rooms and open areas up to 700 square feet. It includes a full function remote control and offers multiple cooling speeds plus a fan-only mode. Additional features such as sleep mode, energy saver, and a 24-hour timer help optimize your cooling experience. It’s a solid choice for those needing high-capacity window cooling solutions.

Frigidaire 5,000 BTU Window-Mounted Air Conditioner

Frigidaire 5,000 BTU Window-Mounted Air Conditioner

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The Frigidaire 5,000 BTU air conditioner is suited for small rooms up to 250 sq ft with quiet operation at 52 dBA, enabling a peaceful environment in bedrooms or home offices. It provides effortless temperature control with customizable settings and two fan speeds. This unit is also easy to maintain, featuring a washable filter that keeps dust at bay for sustained performance.

Midea MAW05R1BWT-A 5,000 BTU Window Air Conditioner

Midea MAW05R1BWT-A 5,000 BTU Window Air Conditioner

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The Midea MAW05R1BWT-A offers a 3-in-1 comfort mode including air conditioning, fan, and dehumidifier, ideal for room sizes up to 150 sq ft. It operates quietly at around 52 dB and includes a remote with LED display for easy adjustments across the room. Installation is straightforward with mounting accessories included. The reusable filter helps maintain clean air for healthier indoor environments.

Buying Guide for Long Window Air Conditioners

When selecting a long window air conditioner, several factors are critical to ensure you get the best cooling performance and energy efficiency for your home.

Cooling Capacity (BTU)

BTU rating indicates the unit’s cooling power. Smaller rooms typically require 5,000 to 6,000 BTU, while larger spaces need 10,000 BTU or more. Choose a BTU suitable for your room size to avoid inefficient energy use or insufficient cooling.

Room Size and Layout

Consider not only the floor space but also ceiling height, insulation quality, and sun exposure. Rooms with higher heat loads may require a higher BTU rating for effective cooling.

Noise Levels

Look for units specifying low decibel levels (dBA) if noise is a concern, especially for bedrooms or offices. Innovations like inverter technology and unique designs can minimize noise and vibration.

Energy Efficiency

Energy efficiency ratings like ENERGY STAR certification and CEER (Combined Energy Efficiency Ratio) help identify units that use less power, lowering operating costs and environmental impact.

Smart Features and Controls

Many modern units offer Wi-Fi connectivity and app controls, allowing remote operation and smart scheduling. Voice assistant compatibility adds convenience for smart home integration.

Installation and Maintenance

Choose units with an easy installation kit and consider mounting compatibility with your window type. Removable and washable filters simplify upkeep and help improve indoor air quality.

Additional Functionalities

Features like dehumidification, multiple fan speeds, and timer settings add versatility. Portable versions offer mobility, while some window units include sleep or energy-saving modes.

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