Ultra Quiet U-Shaped Window Air Conditioner 8,000-10,000 BTU – Energy-efficient certified – Cools up to 450 Sq.Ft – 3 Fan & Cooling Modes – Remote & Digital Display – Easy Install – Bedroom or Office

I’ve heard that those u shaped window units are a bit quieter like this one. Not sure if you can find one under $200 though. https://www.walmart.com/ip/20073969994?sid=A8621FAA-C31D-4B2B-BFF8-D8B64849C61F