Since its launch in 2020, the Midea U smart window air conditioner has proven very popular for its unique design and performance; indeed, we liked it so much that it earned a spot on our list of the best smart air conditioners.

However, a design flaw — which could lead to water pooling and not draining properly — could lead to mold growth.

After receiving 152 reports of mold in the air conditioners, including 17 reports of consumers experiencing related symptoms, the company issued a recall of 1.7 million units sold between March 2020 and May 2025.

The recall notice was posted on June 5 on the U.S. Consumer Product Safety Commission's website.

How to find if your unit is part of the recall

The smart air conditioners were sold under several brand names, including Midea, Comfort Aire, D

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