Bought it 4 months ago and it started humming real loud. It worked fine except for the noise. Service tech diagnose on first visit but had to order parts because in my opinion they’re not allowed to stock too many parts. It’s an industry thing so they can make max money and not worry about customers. Second visit tech fixed with new parts and it’s quieter. Loved the tech and very knowledgeable. Probably will be replacing with a different brand with a lot better quality product in the future.