BAOSHISHAN 1/3 HP Cold Plunge Chiller
#8 in Up to 1/2 HPFull review
A plain indoor chiller for a ported one-person tub.
Amazon $266.80$266.80
The BAOSHISHAN 1/3 HP Cold Plunge Chiller is the better cold plunge chiller overall, rated 3.1 to 2.9. The BAOSHISHAN 1/3 HP Cold Plunge Chiller leads on value. The BAOSHISHAN 1/3 HP Cold Plunge Chiller costs $132.20 less ($266.80 vs $399).
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.
AS ColdPlunge 1/3 HP Chiller
#12 in Up to 1/2 HPFull review
A compact all-in-one small chiller for a one-person tub.
Amazon $399$399
Which should you buy?
- Choose the BAOSHISHAN 1/3 HP Cold Plunge Chiller for value ($808 per HP ($266.80, 1/3 HP) vs $1,209 per HP ($399, 1/3 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 | BAOSHISHAN 1/3 HP Cold Plunge Chiller | AS ColdPlunge 1/3 HP Chiller |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 30% | 81 $808 per HP ($266.80, 1/3 HP) | 64 $1,209 per HP ($399, 1/3 HP) |
| Coldest 15% | 38 down to 42 °F | 38 down to 42 °F |
| Sanitation 10% | 50 filter | 50 filter |
| 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
| BAOSHISHAN 1/3 HP Cold Plunge Chiller | AS ColdPlunge 1/3 HP Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1/3 HP | 1/3 HP |
| Lowest temperature | 42 °F | 42 °F |
| Refrigerant | R290 | - |
| Water and build | ||
| Filter | Yes | Yes |
| Warranty | 1 year | 1 year |