Renu Therapy Cold Stoic 3.0 leads on our weighted scoring by 0.5 points over Cryospring Barton Cold Plunge. Cryospring Barton Cold Plunge costs $7,400 less — about 65% — so the question is whether what Renu Therapy Cold Stoic 3.0 adds is worth that to you. They separate most on price (Cryospring Barton Cold Plunge), overall score (Renu Therapy Cold Stoic 3.0) and minimum temperature (Renu Therapy Cold Stoic 3.0) — those are the rows worth reading closely. In short: Renu Therapy Cold Stoic 3.0 for design-led buyers who want a long warranty; Cryospring Barton Cold Plunge for households wanting a rigid, insulated two-person tub without premium pricing.
| 2 products | ![]() Cryospring Cryospring Barton Cold Plunge | ![]() Renu Therapy Renu Therapy Cold Stoic 3.0 |
|---|---|---|
| Price | $3,999 | $11,399 |
| Overall score | 7.9 | 8.4 |
| Minimum temperature (°F) | 39 °F | 37 °F |
| Chiller (HP) | 1/2 HP with power boost | 0.5 HP |
| Capacity (people) | Up to 2 adults | 1 person |
| Water volume (gal) | 150 gal | 95 gal |
| Filtration | Cryopure 50-micron high-capacity filtration, 1,200 GPH flow | Dual-stage filtration |
| Sanitation | Ozone (100 mg/hr generator) | Ozone |
| Noise (dB) | — | ~54 dB |
| Electrical | Standard 110V outlet; max 620W / 6.9A | 110V / 20A |
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Cryospring
Best for Households wanting a rigid, insulated two-person tub without premium pricing
Renu Therapy
Best for Design-led buyers who want a long warranty