LOUD. Like clearly defective fans LOUD. When it arrived we let it sit for 2 days before plugging in. Worked beautifully for about a month and a half then suddenly EVERY time the fan on the right turned on it was heard through the house. Everyone who comes over mentions how loud it is. One person said they though a small plane was flying too low over my house. So this awful noise started outside the return period. I reached out to Lanbo who requested I send a video and then insisted the noise was totally normal. The video does not do the noise justice. I try expressing this to them and they’ve just stopped replying entirely. Don’t be fooled by how beautiful it is, the noise cancels that out. So disappointed in the product and the lack of customer service.