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. Chilly GOAT Alpine Glacier costs $1,404 less — about 12% — so the question is whether what Renu Therapy Cold Stoic 3.0 adds is worth that to you. They separate most on price (Chilly GOAT Alpine Glacier), 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; Chilly GOAT Alpine Glacier for buyers who want hot-tub-grade construction and comfort features.
| 2 products | ![]() Chilly GOAT Chilly GOAT Alpine Glacier | ![]() Renu Therapy Renu Therapy Cold Stoic 3.0 |
|---|---|---|
| Price | $9,995 | $11,399 |
| Overall score | 8.1 | 8.4 |
| Minimum temperature (°F) | 40 °F | 37 °F |
| Chiller (HP) | 2.1 HP self-contained chiller | 0.5 HP |
| Capacity (people) | 1 person (seated) | 1 person |
| Water volume (gal) | 120 gal (455 L) | 95 gal |
| Filtration | High-efficiency pressure filter with 24-hour circulation pump | Dual-stage filtration |
| Sanitation | Advanced UV water purification | Ozone |
| Noise (dB) | — | ~54 dB |
| Electrical | 120V / 15A | 110V / 20A |
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Chilly GOAT
Best for Buyers who want hot-tub-grade construction and comfort features
Renu Therapy
Best for Design-led buyers who want a long warranty