A low-priced 1 HP chiller for a big tub, without the sanitizer or app of pricier units.
Amazon $669.95The Fox Plunge 1HP Cold Plunge Chiller is the better cold plunge chiller overall, rated 3.4 to 2.9. The Fox Plunge 1HP Cold Plunge Chiller leads on value and noise. The Fox Plunge 1HP Cold Plunge Chiller costs $1,330.05 less ($669.95 vs $2,000).
A heavy 1.5 HP hot and cold unit, but at this price the listing leaves too much unsaid.
Amazon $2,000Prices were last checked November 2, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Fox Plunge 1HP Cold Plunge Chiller for value ($670 per HP ($669.95, 1 HP) vs $1,333 per HP ($2,000, 1 1/2 HP)) and noise (50 dBA vs 65 dBA).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every over 1/2 HP cold plunge chiller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Fox Plunge 1HP Cold Plunge Chiller | X-Vitalis 1.5HP Cold Plunge Chiller |
|---|---|---|
| Overall rating | 3.4/5 | 2.9/5 |
| Value 30% | 88 $670 per HP ($669.95, 1 HP) | 61 $1,333 per HP ($2,000, 1 1/2 HP) |
| Coldest 15% | 75 down to 39 °F | 50 lowest temperature not published (neutral score used) |
| Sanitation 10% | 50 filter | 50 filter |
| Heating 10% | 50 heating not stated (neutral score used) | 100 heats as well |
| Noise 10% | 75 50 dBA | 0 65 dBA |
| Warranty 25% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Fox Plunge 1HP Cold Plunge Chiller | X-Vitalis 1.5HP Cold Plunge Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 1/2 HP |
| Cooling capacity | - | 9,000 Btu/h |
| Lowest temperature | 39 °F | - |
| Heats | - | Yes |
| Pump flow | - | 10.6 gpm |
| Water and build | ||
| Filter | Yes | Yes |
| App or wifi | - | Yes |
| Voltage | 120 V | - |
| Noise | 50 dBA | 65 dBA |
| Warranty | 1 year | - |
