GALUBUBU 1HP Ice Bath Chiller
#1 in Over 1/2 HPFull review
A strong-value 1 HP hot and cold unit with ozone and a two-year warranty.
Amazon $899.99$899.99
The GALUBUBU 1HP Ice Bath Chiller is the better cold plunge chiller overall, rated 4.1 to 3.6. The GALUBUBU 1HP Ice Bath Chiller leads on warranty and sanitation. The GRAT 1.5HP Cold Plunge Chiller wins on value. The GRAT 1.5HP Cold Plunge Chiller costs $100.99 less ($799 vs $899.99).
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 GALUBUBU 1HP Ice Bath Chiller for warranty (2-year warranty vs 1-year warranty) and 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 $900 per HP ($899.99, 1 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 | GALUBUBU 1HP Ice Bath Chiller | GRAT 1.5HP Cold Plunge Chiller |
|---|---|---|
| Overall rating | 4.1/5 | 3.6/5 |
| Value 30% | 76 $900 per HP ($899.99, 1 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 as well | 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% | 50 2-year warranty | 0 1-year warranty |
Specifications
| GALUBUBU 1HP Ice Bath Chiller | GRAT 1.5HP Cold Plunge Chiller | |
|---|---|---|
| Cooling | ||
| Compressor | 1 HP | 1 1/2 HP |
| Cooling capacity | 9,554 Btu/h | 10,500 Btu/h |
| Lowest temperature | 37.4 °F | 36 °F |
| Heats | Yes | - |
| Largest tub | 230 gal | - |
| Refrigerant | R410A | - |
| Water and build | ||
| Filter | Yes | Yes |
| Sanitizer | Ozone | - |
| App or wifi | Yes | Yes |
| Voltage | 120 V | - |
| Warranty | 2 years | 1 year |