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 3.0. The PlungeFit 1 HP Cold Plunge Chiller leads on value. The PlungeFit 1 HP Cold Plunge Chiller costs $330 less ($829 vs $1,159).
Active Aqua Chiller with Boost 1 HP
#10 in Over 1/2 HPFull review
A bare 1 HP chiller for a DIY build with your own pump and filter.
Amazon $1,159$1,159
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 $1,159 per HP ($1,159, 1 HP)).
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 | Active Aqua Chiller with Boost 1 HP |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 30% | 80 $829 per HP ($829, 1 HP) | 66 $1,159 per HP ($1,159, 1 HP) |
| Coldest 15% | 100 down to 37 °F | 50 lowest temperature not published (neutral score used) |
| Sanitation 10% | 50 filter | 50 filter and sanitizer not stated (neutral score used) |
| Heating 10% | 50 heating not stated (neutral score used) | 50 heating not stated (neutral score used) |
| Noise 10% | 50 noise rating not published (neutral score used) | 50 noise rating not published (neutral score used) |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| PlungeFit 1 HP Cold Plunge Chiller | Active Aqua Chiller with Boost 1 HP | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 HP |
| Lowest temperature | 37 °F | - |
| Largest tub | 230 gal | - |
| Water and build | ||
| Filter | Yes | - |
| Warranty | 1 year | 1 year |