Dren KTrain 1HP Hot and Cold Chiller
#1 in Over 1/2 HPFull review
A quiet 1 HP hot and cold chiller, if you can live without a stated warranty.
Amazon $1,199$1,199
The Dren KTrain 1HP Hot and Cold Chiller is the better cold plunge chiller overall, rated 3.9 to 3.4. The Dren KTrain 1HP Hot and Cold Chiller leads on noise and sanitation. The Dren KTrain 1HP Hot and Cold Chiller costs $801 less ($1,199 vs $2,000).
X-Vitalis 1.5HP Cold Plunge Chiller
#8 in Over 1/2 HPFull review
A heavy 1.5 HP hot and cold unit, but at this price the listing leaves too much unsaid.
Amazon $2,000$2,000
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 Dren KTrain 1HP Hot and Cold Chiller for noise (46 dBA vs 65 dBA) and 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 | Dren KTrain 1HP Hot and Cold Chiller | X-Vitalis 1.5HP Cold Plunge Chiller |
|---|---|---|
| Overall rating | 3.9/5 | 3.4/5 |
| Value 30% | 65 $1,199 per HP ($1,199, 1 HP) | 61 $1,333 per HP ($2,000, 1 1/2 HP) |
| Coldest 15% | 50 lowest temperature not published (neutral score used) | 50 lowest temperature not published (neutral score used) |
| Sanitation 10% | 85 filter and ozone | 50 filter |
| Heating 10% | 100 heats as well | 100 heats as well |
| Noise 10% | 95 46 dBA | 0 65 dBA |
| Warranty 25% | 50 warranty not published (neutral score used) | 50 warranty not published (neutral score used) |
Specifications
| Dren KTrain 1HP Hot and Cold Chiller | X-Vitalis 1.5HP Cold Plunge Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 1/2 HP |
| Cooling capacity | 9,212 Btu/h | 9,000 Btu/h |
| Heats | Yes | Yes |
| Pump flow | - | 10.6 gpm |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | Ozone | - |
| App or wifi | Yes | Yes |
| Noise | 46 dBA | 65 dBA |