A cheap, quiet 1/2 HP kit for a large inflatable tub where 41 F is cold enough.
Amazon $449.95
A cold-reaching 1/2 HP unit with app control for a covered patio tub. Add your own filter.
- 1/2 HPSize
- 4,094 Btu/hCooling
- 37.4 °FColdest
Price checked November 2, 2026. As an Amazon Associate we earn from qualifying purchases.
- Reaches 37.4 F, colder than most 1/2 HP units
- Wifi app control
- IPX4 for covered outdoor spots
- No filter or sanitizer listed
- About 4,100 Btu/h, modest for the price
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | QG-1/2HP |
|---|---|
| Cooling | |
| Compressor | 1/2 HP |
| Cooling capacity | 4,094 Btu/h |
| Lowest temperature | 37.4 °F |
| Largest tub | 250 gal |
| Water and build | |
| App or wifi | Yes |
| Noise | 49 dBA |
| Warranty | 1 year |
Alternatives in this size
A simple small chiller for owners of Ice Pod tubs who want cold water without ice.
Amazon $569An entry-level chiller for a small one-person tub, best kept indoors.
Amazon $269.95Compare
Compare the Beyond Marina 1/2 HP WiFi Chiller with any other cold plunge chiller →
More from Beyond Marina: every Beyond Marina product ranked.