The sauna at 24 Hour Fitness, in the city of Ontario, 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 JNH Lifestyles, in the city of Ontario in the state of California, is a home infrared unit that customers can purchase and assemble themselves. The product generally receives praise for easy assembly and good functionality when working properly, though quality control and durability issues have been reported by some users. Customer service appears inconsistent, with some reporting excellent support while others describe significant difficulties reaching representatives and resolving problems.

The sauna at Golden Designs Inc., in the city of Ontario in the state of California, is a manufacturer and retailer of home saunas and cold plunge equipment rather than a facility offering sauna services. Customer experiences vary significantly with their products, from complete satisfaction to serious quality and functionality issues. The company's customer service response appears inconsistent, with some customers reporting prompt resolution while others face ongoing challenges with repairs, replacements, and warranty claims.