A highly rated window air conditioner has been voluntarily recalled for mold buildup. Midea AC units have been reported on and raved about by The New York Times for five years. The Wirecutter team — the Times’ product recommendation service — describes these window ACs as a game changing product that provides “quiet,

The Midea U Window Air Conditioner and the U+ Window Air Conditioner were recalled because of pooled water leading to mold growth and health issues.

Midea is recalling 1.7 million air conditioners sold nationwide due to mold risk that can cause respiratory issues. Affected units were sold at Costco, Best Buy, Amazon, and more. Here’s how to check your model and get a refund or repair.