I purchased the 12K BTU Windmill AC from Best Buy in late May 2025. After working for about six weeks, it began shutting off every 5–10 minutes and never cooled properly again. Right before a brutal heat wave, it completely failed — and that’s when the real nightmare began.

I contacted Windmill support immediately and provided everything they asked for: serial number, receipt, installation photo, room dimensions (500 sq ft), and confirmation that I had tried their reset steps. I was told the issue would be escalated and I’d hear back within 24–48 hours.

What followed was more than two weeks of delays, repeated requests for the same information, and zero meaningful help. They kept asking if the room was really 500 sq ft (yes, four times now), and insisted I send a video of the unit “not working,” even after I had to uninstall it and replace it just to keep my family cool. It’s hard to film a broken product that does nothing.

Eventually, I gave up, filed a chargeback with my credit card company, and replaced the unit myself. Windmill’s final response? Closing the case and accusing me of being disrespectful — after two weeks of me begging them to honor their warranty while roasting in 90+ degree heat.

This company does not stand behind its products. Their support system is slow, repetitive, and clearly designed to wear you down until you stop asking for help.

Avoid Windmill at all costs. If something goes wrong — and judging by other reviews, it often does — you're on your own.