A low-cost way to keep a small one-person tub cold with ozone included.
Amazon $496.95The Healcryo 0.5 HP Ozone Chiller is the better cold plunge chiller overall, rated 3.4 to 3.2. The Healcryo 0.5 HP Ozone Chiller leads on value. The Healcryo 0.5 HP Ozone Chiller costs $203.04 less ($496.95 vs $699.99).
A cold-reaching 1/2 HP unit with app control for a covered patio tub. Add your own filter.
Amazon $699.99Prices 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 Healcryo 0.5 HP Ozone Chiller for value ($994 per HP ($496.95, 1/2 HP) vs $1,400 per HP ($699.99, 1/2 HP)).
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 | Beyond Marina 1/2 HP WiFi Chiller |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 30% | 72 $994 per HP ($496.95, 1/2 HP) | 59 $1,400 per HP ($699.99, 1/2 HP) |
| Coldest 15% | 88 down to 38 °F | 95 down to 37.4 °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) | 80 49 dBA |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Healcryo 0.5 HP Ozone Chiller | Beyond Marina 1/2 HP WiFi Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1/2 HP | 1/2 HP |
| Cooling capacity | 4,000 Btu/h | 4,094 Btu/h |
| Lowest temperature | 38 °F | 37.4 °F |
| Largest tub | 52 gal | 250 gal |
| Water and build | ||
| Filter | Yes | - |
| Sanitizer | Ozone | - |
| App or wifi | No | Yes |
| Voltage | 120 V | - |
| Noise | - | 49 dBA |
| Warranty | 1 year | 1 year |
