A no-frills 1 HP kit that fits almost any tub, including a home bathtub.
Amazon $829The PlungeFit 1 HP Cold Plunge Chiller is the better cold plunge chiller overall, rated 3.4 to 3.2. The PlungeFit 1 HP Cold Plunge Chiller leads on value. The SaunaSpa Gale 1 HP Chiller and Heater wins on sanitation. The PlungeFit 1 HP Cold Plunge Chiller costs $1,795.25 less ($829 vs $2,624.25).
A powerful hot and cold unit for a large tub, with ozone and app control. The short warranty in the manual is the catch.
SaunaSpa $2,624.25Prices 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 PlungeFit 1 HP Cold Plunge Chiller for value ($829 per HP ($829, 1 HP) vs $2,624 per HP ($2,624.25, 1 HP)).
- Choose the SaunaSpa Gale 1 HP Chiller and Heater for 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 | PlungeFit 1 HP Cold Plunge Chiller | SaunaSpa Gale 1 HP Chiller and Heater |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 30% | 80 $829 per HP ($829, 1 HP) | 33 $2,624 per HP ($2,624.25, 1 HP) |
| Coldest 15% | 100 down to 37 °F | 100 down to 37 °F |
| Sanitation 10% | 50 filter | 85 filter and ozone |
| Heating 10% | 50 heating not stated (neutral score used) | 100 heats to 104 °F |
| 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
| PlungeFit 1 HP Cold Plunge Chiller | SaunaSpa Gale 1 HP Chiller and Heater | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 HP |
| Cooling capacity | - | 10,407 Btu/h |
| Lowest temperature | 37 °F | 37 °F |
| Heats | - | Yes |
| Highest temperature | - | 104 °F |
| Largest tub | 230 gal | - |
| Refrigerant | - | R32 |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | - | Ozone |
| App or wifi | - | Yes |
| Voltage | - | 120 V |
| Warranty | 1 year | 1 year |
