The sauna at The Spa Hyu, in the city of City of Industry in the state of California, is a traditional Korean spa facility offering both wet and dry saunas in gender-separated areas, along with co-ed relaxation spaces. The facility is consistently praised for its exceptional cleanliness, modern amenities, and strict adherence to traditional Korean spa etiquette and quiet atmosphere. The spa complex includes multiple temperature rooms, massage services, a restaurant serving Korean cuisine, and high-end personal care amenities, making it a comprehensive wellness destination.

The sauna at 24 Hour Fitness, in the city of City of Industry, in the state of California, is a basic amenity within a larger gym facility that offers separate men's and women's dry saunas. The facility has ongoing maintenance and cleanliness issues with the sauna areas, including dirty floors and humidity control problems. While the sauna is functional and accessible to members, frequent complaints about hygiene and upkeep suggest it may not meet expectations for those specifically seeking a premium sauna experience.

The sauna at 24 Hour Fitness, in the city of City of Industry, in the state of California, is a basic amenity within a larger gym facility that offers separate men's and women's dry saunas. The facility has ongoing maintenance and cleanliness issues with the sauna areas, including dirty floors and humidity control problems. While the sauna is functional and accessible to members, frequent complaints about hygiene and upkeep suggest it may not meet expectations for those specifically seeking a premium sauna experience.