Fox Plunge 1HP Cold Plunge Chiller
#2 in Over 1/2 HPFull review
A low-priced 1 HP chiller for a big tub, without the sanitizer or app of pricier units.
Amazon $669.95$669.95
The Fox Plunge 1HP Cold Plunge Chiller is the better cold plunge chiller overall, rated 3.4 to 3.1. The Fox Plunge 1HP Cold Plunge Chiller leads on value and noise. The Beyond Marina 1 HP Hot and Cold Chiller wins on sanitation. The Fox Plunge 1HP Cold Plunge Chiller costs $630.04 less ($669.95 vs $1,299.99).
Beyond Marina 1 HP Hot and Cold Chiller
#9 in Over 1/2 HPFull review
A hot and cold 1 HP unit with ozone and wifi, but other 1 HP units cool more for less.
Amazon $1,299.99$1,299.99
Prices 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 $1,300 per HP ($1,299.99, 1 HP)) and noise (50 dBA vs 65 dBA).
- Choose the Beyond Marina 1 HP Hot and Cold Chiller for sanitation (filter and ozone vs filter).
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 | Beyond Marina 1 HP Hot and Cold Chiller |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 30% | 88 $670 per HP ($669.95, 1 HP) | 62 $1,300 per HP ($1,299.99, 1 HP) |
| Coldest 15% | 75 down to 39 °F | 50 lowest temperature not published (neutral score used) |
| Sanitation 10% | 50 filter | 85 filter and ozone |
| 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 1-year warranty |
Specifications
| Fox Plunge 1HP Cold Plunge Chiller | Beyond Marina 1 HP Hot and Cold Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 HP |
| Cooling capacity | - | 8,206 Btu/h |
| Lowest temperature | 39 °F | - |
| Heats | - | Yes |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | - | Ozone |
| App or wifi | - | Yes |
| Voltage | 120 V | - |
| Noise | 50 dBA | 65 dBA |
| Warranty | 1 year | 1 year |