Chiller, hot tub, and strong filtration at a value price.
Hydragun Supertub
Hydragun
Reviewed by
Michal Zucker · Fitness, Movement & Wellbeing Editor
The value pick: real chiller-tub performance, heating, and good filtration for far less than hard-shell tubs. Step up to the 0.8 HP chiller if you run hot.
The Supertub pairs a double-walled marine-vinyl tub with your choice of a 0.6 HP or 0.8 HP chiller that both cools to ~37F and heats for hot-tub use. A strainer, filter, and ozone generator keep water clean, and a free electric pump inflates it in about five minutes. It delivers chiller-tub capability for roughly half the price of hard-shell rivals.
$3,899
$3,999
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Last reviewed Jun 20, 2026
What we like
- ✓Excellent value with a chiller included
- ✓Holds shape well thanks to double-walled marine vinyl
- ✓Strainer + filter + ozone keeps water clean
- ✓Free electric pump, ~5-minute setup
- ✓Heats and cools (hot tub mode)
Trade-offs
- −Inflatable rather than a rigid shell
- −0.6 HP base may cool slowly in hot climates
- −0.8 HP version jumps to $3,999
- −Chiller sits beside the tub
Best for
Value-focused buyers who want a chiller-equipped tub that also heats, with strong filtration and an included electric pump.
Avoid if
You prefer a rigid acrylic or steel tub, or live in a hot climate and need the largest chiller for rapid cooldowns.
The three lenses
How we grade →- 7.9/10
Value & Longevity · Eran Yorkovsky
- 7.2/10
Design & Fit · Michal Zucker
- 8.0/10
Health & Environment · Dr. Yocheved Yorkovsky
Score breakdown
- value9.0/10
- temperature range8.5/10
- size fit8.0/10
- maintenance filtration8.0/10
- cooling performance7.0/10
- build durability6.5/10
Specs
- Setup
- Inflates to 10 PSI in ~4-5 min with included electric pump
- Cooling
- 0.6 HP or 0.8 HP chiller to ~37F
- Heating
- Yes, doubles as a hot tub
- Capacity
- Single-person inflatable
- Material
- Double-walled military-grade marine vinyl (SGS-tested, ISO-certified)
- Filtration
- Strainer + water filter + ozone generator
How we know
High confidenceLast checkedGarage Gym Reviews tested the Supertub and highlights its strong value, noting the double-walled military-grade marine vinyl held its shape remarkably well versus other inflatables. Reviewers praise the included ozone generator and filter, the free electric pump enabling 4-5 minute setup, and cooling down to ~37F. The main trade-offs are inflatable construction and that the cheaper 0.6 HP chiller may struggle to cool quickly in hot climates.
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YouTube — Hydragun Supertub Cold Plunge Review
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