Healcryo 0.5 HP Ozone Chiller
#1 in Up to 1/2 HPFull review
A low-cost way to keep a small one-person tub cold with ozone included.
Amazon $496.95$496.95
The Healcryo 0.5 HP Ozone Chiller is the better cold plunge chiller overall, rated 3.4 to 3.1. The Healcryo 0.5 HP Ozone Chiller leads on coldest. The Healcryo 0.5 HP Ozone Chiller costs $52.05 less ($496.95 vs $549).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
PlungeFit Chiller Pro 1/2 HP Drop-in
#6 in Up to 1/2 HPFull review
The easiest setup here for someone without a ported tub. Plan on cleaning the water yourself.
Amazon $549$549
Which should you buy?
- Choose the Healcryo 0.5 HP Ozone Chiller for coldest (down to 38 °F vs down to 39 °F).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/2 HP cold plunge chiller; a clear win is highlighted. How we rank explains each one.
| Factor weight | Healcryo 0.5 HP Ozone Chiller | PlungeFit Chiller Pro 1/2 HP Drop-in |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 30% | 72 $994 per HP ($496.95, 1/2 HP) | 68 $1,098 per HP ($549, 1/2 HP) |
| Coldest 15% | 88 down to 38 °F | 75 down to 39 °F |
| Sanitation 10% | 85 filter and ozone | 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
| Healcryo 0.5 HP Ozone Chiller | PlungeFit Chiller Pro 1/2 HP Drop-in | |
|---|---|---|
| Cooling | ||
| Compressor | 1/2 HP | 1/2 HP |
| Cooling capacity | 4,000 Btu/h | - |
| Lowest temperature | 38 °F | 39 °F |
| Largest tub | 52 gal | - |
| Water and build | ||
| Filter | Yes | - |
| Sanitizer | Ozone | - |
| App or wifi | No | Yes |
| Voltage | 120 V | - |
| Warranty | 1 year | 1 year |