Healcryo Pro MAX 1.5 HP Chiller
#2 in Over 1/2 HPFull review
For large tubs, shared plunges or hot climates, at a price close to many 1 HP units.
Amazon $989.95$989.95
The Healcryo Pro MAX 1.5 HP Chiller is the better cold plunge chiller overall, rated 3.8 to 3.6. The Healcryo Pro MAX 1.5 HP Chiller leads on sanitation. The GRAT 1.5HP Cold Plunge Chiller wins on value. The GRAT 1.5HP Cold Plunge Chiller costs $190.95 less ($799 vs $989.95).
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.
GRAT 1.5HP Cold Plunge Chiller
#4 in Over 1/2 HPFull review
The cheapest way here to a big cooling number, for large tubs in warm places.
Amazon $799$799
Which should you buy?
- Choose the Healcryo Pro MAX 1.5 HP Chiller for sanitation (filter and ozone vs filter).
- Choose the GRAT 1.5HP Cold Plunge Chiller for value ($533 per HP ($799, 1 1/2 HP) vs $660 per HP ($989.95, 1 1/2 HP)).
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 | Healcryo Pro MAX 1.5 HP Chiller | GRAT 1.5HP Cold Plunge Chiller |
|---|---|---|
| Overall rating | 3.8/5 | 3.6/5 |
| Value 30% | 89 $660 per HP ($989.95, 1 1/2 HP) | 97 $533 per HP ($799, 1 1/2 HP) |
| Coldest 15% | 95 down to 37.4 °F | 100 down to 36 °F |
| Sanitation 10% | 85 filter and ozone | 50 filter |
| Heating 10% | 100 heats to 104 °F | 50 heating not stated (neutral score used) |
| Noise 10% | 50 55 dBA | 50 noise rating not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| Healcryo Pro MAX 1.5 HP Chiller | GRAT 1.5HP Cold Plunge Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1 1/2 HP | 1 1/2 HP |
| Cooling capacity | 12,000 Btu/h | 10,500 Btu/h |
| Lowest temperature | 37.4 °F | 36 °F |
| Heats | Yes | - |
| Highest temperature | 104 °F | - |
| Largest tub | 200 gal | - |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | Ozone | - |
| App or wifi | Yes | Yes |
| Noise | 55 dBA | - |
| Warranty | - | 1 year |