Renu Therapy Cold Stoic 3.0 leads on our weighted scoring by 0.6 points over Sun Home Cold Plunge Vertical. Sun Home Cold Plunge Vertical costs $7,600 less — about 67% — so the question is whether what Renu Therapy Cold Stoic 3.0 adds is worth that to you. They separate most on price (Sun Home Cold Plunge Vertical), overall score (Renu Therapy Cold Stoic 3.0) and minimum temperature (Sun Home Cold Plunge Vertical) — those are the rows worth reading closely. In short: Renu Therapy Cold Stoic 3.0 for design-led buyers who want a long warranty; Sun Home Cold Plunge Vertical for small-space owners who want the coldest water under $4,000.
| 2 products | ![]() Sun Home Saunas Sun Home Cold Plunge Vertical | ![]() Renu Therapy Renu Therapy Cold Stoic 3.0 |
|---|---|---|
| Price | $3,799 | $11,399 |
| Overall score | 7.8 | 8.4 |
| Minimum temperature (°F) | 32 F (ice-making mode) | 37 °F |
| Chiller (HP) | 1 HP smart chiller | 0.5 HP |
| Capacity (people) | 1 person | 1 person |
| Water volume (gal) | — | 95 gal |
| Filtration | Replaceable 10" x 2.5" cartridge filter (swap every 2-4 weeks) | Dual-stage filtration |
| Sanitation | Ozone injection | Ozone |
| Noise (dB) | — | ~54 dB |
| Electrical | 120V / 11A GFCI, NEMA 5-15P plug | 110V / 20A |
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Sun Home Saunas
Best for Small-space owners who want the coldest water under $4,000
Renu Therapy
Best for Design-led buyers who want a long warranty