Renu Therapy Cold Stoic 3.0 edges ahead on our weighted scoring, but only by 0.3 of a point — close enough that the specifics below matter more than the ranking. Aquavoss AV-1 Cold Plunge costs $5,899 less — about 52% — so the question is whether what Renu Therapy Cold Stoic 3.0 adds is worth that to you. They separate most on price (Aquavoss AV-1 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; Aquavoss AV-1 Cold Plunge for design-focused buyers who value quiet, integrated hardware and a strong warranty.
| 2 products | ![]() Aquavoss Aquavoss AV-1 Cold Plunge | ![]() Renu Therapy Renu Therapy Cold Stoic 3.0 |
|---|---|---|
| Price | $5,500 | $11,399 |
| Overall score | 8.1 | 8.4 |
| Minimum temperature (°F) | 39 °F | 37 °F |
| Chiller (HP) | — | 0.5 HP |
| Capacity (people) | 1-2 persons (one comfortably, space for two) | 1 person |
| Water volume (gal) | ~180 gal (derived from 400 lb empty / 1,900 lb filled weights) | 95 gal |
| Filtration | Triple filtration: 20-micron pleated filter + metal mesh cap | Dual-stage filtration |
| Sanitation | Self-cleaning ozone | Ozone |
| Noise (dB) | 48 dB | ~54 dB |
| Electrical | Standard 110V outlet | 110V / 20A |
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Aquavoss
Best for Design-focused buyers who value quiet, integrated hardware and a strong warranty
Renu Therapy
Best for Design-led buyers who want a long warranty