Whether they are Nordic spas, Scandinavian spas, geothermal spas, bathhouses or hot springs, thermal spas are the highest ROI form of spa.
The “Thermal Spa” in North America takes on many names. Some know them as Nordic spas or Scandinavian spas, geothermal spas and hot spring spas, as well as bathhouse-style spas. The real defining factor is whether the spa has a complete thermal cycle.
