Compare the top models
| Model | Type | Key spec | Size | Price | Rating | |
|---|---|---|---|---|---|---|
| Penguin Chillers 1/4 HP Cold Therapy | Budget water chiller (tub not included) | Cools to ~37°F in a small tub | Best for tubs up to ~100 gal | ~$1,099 | 4.4 ★ | Price → |
| Polar Monkeys 1HP Chiller | Water chiller + filter for any tub | Cools down to 37°F | Pairs with tubs up to ~150 gal | ~$1,890 | 4.5 ★ | Price → |
Guides
Chillers
Best Cold Plunge Chillers (2026): Do You Need One?
A water chiller turns any tub into a set-and-forget cold plunge - no ice. We cover how to size one, running costs, and our budget and performance picks.
Read the guide →