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Hot Tub vs Swim Spa
A hot tub is built for relaxation, hydrotherapy, and soaking in heated water with jets, while a swim spa is a longer vessel that adds a current for swimming or aquatic exercise alongside a warm-water zone. Your goal, whether it's unwinding or getting a workout, should decide which one earns the backyard space.
| Hot Tub | Swim Spa | |
|---|---|---|
| Price | $4,000-$15,000 depending on size and jet count | $15,000-$35,000+ depending on length and features |
| Footprint | Compact, typically 6-8 feet across | Long, typically 12-19 feet, needs more yard space |
| Primary use | Relaxation, hydrotherapy, soaking | Swimming against a current, exercise, plus a soak zone |
| Water temperature | Usually kept hot, 100-104°F | Often split into a cooler swim zone and a hot soak zone |
| Operating cost | Lower energy use due to smaller water volume | Higher energy use, more water to heat and filter |
| Installation | Simpler pad and electrical requirements | Needs a reinforced pad and higher-capacity electrical |
| Best for | Small yards, relaxation-focused households | Swimmers, fitness-focused households, larger yards |
The verdict
Hot tubs are the simpler, cheaper option for pure relaxation in a smaller footprint, while swim spas justify their higher price and space needs by combining a workout pool with a soak zone in one unit. If swimming laps matters to you, the swim spa's added versatility is worth the extra cost; if not, a hot tub does the relaxation job for less.
FAQs
Can you swim laps in a swim spa?
Yes, swim spas use a continuous current or jet propulsion system so you can swim in place, making them suitable for lap-style exercise even though the vessel itself may only be 12-19 feet long.
Do swim spas cost more to run than hot tubs?
Yes, swim spas hold significantly more water and often maintain both a cooler swim zone and a heated soak zone, which means more energy spent on heating and filtration compared to a standard hot tub.
Do I need a special foundation for a swim spa?
Yes, because of the added water weight and length, swim spas typically need a reinforced concrete pad, while many hot tubs can sit on a well-built deck or a simple gravel and paver base.
EquipDepot carries both — compare specs and get freight quoted to your ZIP at checkout.