The word Jacuzzi is often used to describe a spa because the product was invented by Roy Jacuzzi in 1970. Today, because of the Jacuzzi company has continued to be the innovator in the spa industry, the product has become almost synonymous with the Jacuzzi brand name. Jacuzzi Premium continues the tradition of quality that has been long associated with this legendary brand. Basically, the words Jacuzzi, spa and hot tub are used to describe a jetted, heated, water-filled tubs.