These are very different products, even though they are often used interchangeably!
- A hot tub will be much smaller than a swim spa.
- Hot tubs and swim spas have quite a bit in common in terms of features, such as seating, jets, control systems, etc. However, swim spas boast larger tank areas and very high-powered jet systems.
- Swim spas tend to cost a little bit more, mostly because the system itself is quite large.
- Hot tubs, depending on the model, tend to offer more seating options than swim spas.