Renu Therapy Aurelius edges ahead on our weighted scoring, but only by 0.2 of a point — close enough that the specifics below matter more than the ranking. Renu Therapy Aurelius costs $4,000 less — about 29% — so the question is whether what Sun Home Cold Plunge Pro adds is worth that to you. They separate most on price (Renu Therapy Aurelius), overall score (Renu Therapy Aurelius) and minimum temperature (Sun Home Cold Plunge Pro) — those are the rows worth reading closely. In short: Renu Therapy Aurelius for taller users who want a lay-down plunge; Sun Home Cold Plunge Pro for maximum cold and water hygiene, or shared use.
| 2 products | ![]() Renu Therapy Renu Therapy Aurelius | ![]() Sun Home Saunas Sun Home Cold Plunge Pro |
|---|---|---|
| Price | $9,999 | $13,999 |
| Overall score | 8.3 | 8.1 |
| Minimum temperature (°F) | ~38 °F | 32 °F |
| Chiller (HP) | ~0.5 HP | ~1.0 HP |
| Capacity (people) | 1 person (lay-down) | 1–2 people |
| Water volume (gal) | ~110 gal | 150 gal |
| Filtration | Filtration + circulation | Advanced filtration |
| Sanitation | Ozone | Ozone + UV |
| Noise (dB) | ~55 dB | ~57 dB |
| Electrical | 110V / 20A | 120V |
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Renu Therapy
Best for Taller users who want a lay-down plunge
Sun Home Saunas
Best for Maximum cold and water hygiene, or shared use