PlungeFit 1 HP Cold Plunge Chiller
#4 in Over 1/2 HPFull review
A no-frills 1 HP kit that fits almost any tub, including a home bathtub.
Amazon $829$829
The PlungeFit 1 HP Cold Plunge Chiller is the better cold plunge chiller overall, rated 3.4 to 3.1. The PlungeFit 1 HP Cold Plunge Chiller leads on value. The Beyond Marina 1 HP Hot and Cold Chiller wins on sanitation. The PlungeFit 1 HP Cold Plunge Chiller costs $470.99 less ($829 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 PlungeFit 1 HP Cold Plunge Chiller for value ($829 per HP ($829, 1 HP) vs $1,300 per HP ($1,299.99, 1 HP)).
- 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 | PlungeFit 1 HP Cold Plunge Chiller | Beyond Marina 1 HP Hot and Cold Chiller |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 30% | 80 $829 per HP ($829, 1 HP) | 62 $1,300 per HP ($1,299.99, 1 HP) |
| Coldest 15% | 100 down to 37 °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% | 50 noise rating not published (neutral score used) | 0 65 dBA |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| PlungeFit 1 HP 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 | 37 °F | - |
| Heats | - | Yes |
| Largest tub | 230 gal | - |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | - | Ozone |
| App or wifi | - | Yes |
| Noise | - | 65 dBA |
| Warranty | 1 year | 1 year |