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Sun Home Cold Plunge™ Smart-Chiller
Standalone smart chiller for any cold plunge tub
Last updated May 7, 2026
Key Features
- ✓Compatible with most cold plunge tubs
- ✓Precise smart temperature control
- ✓No ice required
- ✓Filtration system
- ✓HSA/FSA eligible
- ✓Free shipping included
- ✓Optional 3, 5, or 7-year protection plan
Specifications
Built-in Chiller
Yes
Electrical
110V
Warranty
Optional 3–7 year plan
Pros & Cons
- Upgrades any tub into a chiller-equipped plunge
- Eliminates ongoing ice costs
- HSA/FSA eligible — save ~30%
- Sun Home build quality and support
- Requires electrical hookup
- Tub sold separately
Our Take
The Sun Home Smart-Chiller is a standalone chiller unit that connects to any cold plunge tub. Delivers and maintains precise temperatures without buying ice. HSA/FSA eligible with free shipping and optional 3–7 year product protection.
At $3,599, the Sun Home Cold Plunge™ Smart-Chiller sits in the mid-range of our cold plunge rankings. Upgrades any tub into a chiller-equipped plunge, and eliminates ongoing ice costs.
How does it compare? The Sun Home Cold Plunge Vertical ($3,799 · our take) reaches true freezing at 32°f, while The Plunge All-In ($4,990 · our take) set-and-forget temperature control. See our full comparison for a detailed breakdown.
However, it's worth noting that requires electrical hookup, and tub sold separately. Not sure if this is the right fit? Our 2-minute quiz can help you narrow it down.
Our Verdict
The Sun Home Cold Plunge™ Smart-Chiller is a solid option at $3,599.
★ 4.5/5 from 4 verified reviews
You'll also need
Accessory
Floating Pool Thermometer
$12
BuySun Home Cold Plunge™ Smart-Chiller FAQ
The Sun Home Cold Plunge™ Smart-Chiller costs $3,599. See how it compares in our Cold Plunge rankings. For alternatives, check out Sun Home Cold Plunge Vertical and Plunge All-In.
Yes, the Sun Home Cold Plunge™ Smart-Chiller includes a built-in chiller for automatic temperature control. See all cold plunges with chillers.
The Sun Home Cold Plunge™ Smart-Chiller comes with a Optional 3–7 year plan warranty. Compare warranty coverage across all options on our Cold Plunge rankings page.
At $3,599, the Sun Home Cold Plunge™ Smart-Chiller is a solid option among the 12 cold plunges we've vetted. Upgrades any tub into a chiller-equipped plunge. If you're still deciding, Sun Home Cold Plunge Vertical and Plunge All-In are worth comparing. Or take our 2-minute quiz to get a personalized pick.
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