<ul data-eligibleForWebStory="false"><li>Amazon Prime Day offers air conditioner deals with discounts up to 25% off, spanning four days, featuring top picks for best air conditioners and portable air conditioners.</li><li>A notable deal is the $100 discount on the Midea U air conditioner, known for its unique U-shaped design allowing window opening without unit removal, despite a previous recall issue now fully repaired.</li><li>Other popular brands with discounts include GE, Frigidaire, and Whynter. Top deals featured are the Midea U Inverter Window Air Conditioner for $279.99, Windmill Inverter Window Air Conditioner for $449, and Whynter Portable Air Conditioner for $424.16 on Amazon.</li><li>Factors to consider when choosing an air conditioner include type (window AC vs. portable AC), wall units for homeowners, energy efficiency, and Btu rating based on room size. Energy-efficient models and correct Btu matching are essential for optimal cooling performance.</li></ul>

Best Prime Day air conditioner deals: Our favorite ACs are $100+ off

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