A cold-reaching 1/2 HP unit with app control for a covered patio tub. Add your own filter.
Amazon $699.99The Beyond Marina 1/2 HP WiFi Chiller is the better cold plunge chiller overall, rated 3.2 to 3.1. The Beyond Marina 1/2 HP WiFi Chiller leads on coldest. The Poafamx 1/2 HP Ice Bath Chiller wins on value. The Poafamx 1/2 HP Ice Bath Chiller costs $200 less ($499.99 vs $699.99).
A plain 1/2 HP kit for tubs up to about 130 gallons.
Amazon $499.99Prices 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 Beyond Marina 1/2 HP WiFi Chiller for coldest (down to 37.4 °F vs down to 40 °F).
- Choose the Poafamx 1/2 HP Ice Bath Chiller for value ($1,000 per HP ($499.99, 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 | Beyond Marina 1/2 HP WiFi Chiller | Poafamx 1/2 HP Ice Bath Chiller |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 30% | 59 $1,400 per HP ($699.99, 1/2 HP) | 72 $1,000 per HP ($499.99, 1/2 HP) |
| Coldest 15% | 95 down to 37.4 °F | 62 down to 40 °F |
| Sanitation 10% | 50 filter and sanitizer not stated (neutral score used) | 50 filter |
| Heating 10% | 50 heating not stated (neutral score used) | 50 heating not stated (neutral score used) |
| Noise 10% | 80 49 dBA | 50 noise rating not published (neutral score used) |
| Warranty 25% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Beyond Marina 1/2 HP WiFi Chiller | Poafamx 1/2 HP Ice Bath Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1/2 HP | 1/2 HP |
| Cooling capacity | 4,094 Btu/h | - |
| Lowest temperature | 37.4 °F | 40 °F |
| Largest tub | 250 gal | 132 gal |
| Refrigerant | - | R290 |
| Water and build | ||
| Filter | - | Yes |
| App or wifi | Yes | - |
| Noise | 49 dBA | - |
| Warranty | 1 year | 1 year |
