Plunge All-In (Gen 2) vs Sun Home Cold Plunge Pro
The quick verdict
This is a $9,000 question. The Sun Home Pro justifies its price with a true 32°F floor (five degrees colder than the Plunge), a 316 stainless basin, double the capacity, and UV on top of ozone — genuinely commercial-grade hardware. But 37°F is already colder than most people ever plunge, and the Plunge All-In delivers it with heat mode for around a third of the price. Buy the Sun Home for a facility or a no-compromise home spa; buy the Plunge for actual daily cold practice.
Choose the Plunge All-In (Gen 2) if…
- You want to spend less ($4,990)
Choose the Sun Home Cold Plunge Pro if…
- You want the better water capacity (150 gal vs 75 gal)
- You want the better lowest temperature (32°F vs 37°F)
- You need UV Sanitation
Full spec comparison
| Specification |  Plunge Plunge All-In (Gen 2) Check price |  Sun Home Sun Home Cold Plunge Pro Check price |
|---|---|---|
| Essentials | ||
| Price | $4,990 | $13,999 |
| Type | All-in-one tub | All-in-one tub |
| Water Capacity | 75 gal | 150 gal |
| Temperature | ||
| Lowest Temperature | 37°F | 32°F |
| Highest Temperature | 104°F | 104°F |
| Chiller Included | ||
| Chiller Power | 0.9 HP | |
| Heat / Hot-Tub Mode | ||
| Water Quality | ||
| Filtration | ||
| Ozone Sanitation | ||
| UV Sanitation | ||
| Convenience | ||
| App Control | ||
| Portable / Packable | ||
| Placement | Indoor / outdoor | Indoor / outdoor |
| Insulated | ||
| Build & Warranty | ||
| Material | Acrylic over fiberglass | 316 stainless steel |
| Footprint | 68" × 32" | 72" × 33" |
| Warranty | 1 year (extendable) | Limited lifetime (shell) |
Frequently asked questions
Is the Plunge All-In (Gen 2) more expensive than the Sun Home Cold Plunge Pro?
At $4,990, the Plunge All-In (Gen 2) is $9,009 cheaper than the Sun Home Cold Plunge Pro ($13,999).
What does the Sun Home Cold Plunge Pro have that the Plunge All-In (Gen 2) doesn't?
The Sun Home Cold Plunge Pro offers UV Sanitation, which the Plunge All-In (Gen 2) lacks.
Should I buy the Plunge All-In (Gen 2) or the Sun Home Cold Plunge Pro?
It depends on your priorities. This is a $9,000 question. The Sun Home Pro justifies its price with a true 32°F floor (five degrees colder than the Plunge), a 316 stainless basin, double the capacity, and UV on top of ozone — genuinely commercial-grade hardware. But 37°F is already colder than most people ever plunge, and the Plunge All-In delivers it with heat mode for around a third of the price. Buy the Sun Home for a facility or a no-compromise home spa; buy the Plunge for actual daily cold practice.
Verdicts on this page are generated from the manufacturer-published specifications in the table above. See our methodology.