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Head-to-head · Best Cold Plunge Tubs

Plunge All In vs Sun Home Cold Plunge Pro

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Sun Home Cold Plunge Pro comes out ahead by a narrow margin (4.0 vs 4.2). The gap is mostly about serious athletes seeking authentic 32°F ice baths — read the strengths below before deciding.

Plunge All In
Ranked #4 in Best Cold Plunge Tubs
Plunge All In
2 sources$7,990as of Aug 1

The Plunge All-In Gen 2 bills itself as the world's smartest cold plunge, with a plug-and-plunge setup that needs no plumbing. Experts noted it cools 31% faster using 50% less energy, and it includes ozone sanitation with double filtration. The app sets temperature and tracks sessions. It is designated for residential use only and carries a premium price of $7,990. Home users who want a high-end, smart cold plunge are the fit; commercial or budget-conscious buyers are not.

Strengths
  • — 31% faster cooling using 50% less energy than previous models
  • — Ozone sanitation with double the filtration system
  • — Plug-and-plunge setup with no plumbing required
Watch-outs
  • — Residential-only model, not suitable for commercial use
  • — High price point at $7,990 USD
$7,990 · Buy at plunge.comFull review →
Sun Home Cold Plunge Pro
Higher ratedRanked #2 in Best Cold Plunge Tubs
Sun Home Cold Plunge Pro
4 sources$13,999as of Aug 1

The Sun Home Cold Plunge Pro gets to a real ice bath, with an advanced cooling system that builds thick floating ice down to 32°F. Caine Wilkes, an Olympian and weightlifting coach, reviewed it and praised the whisper-quiet operation and smartphone connectivity. The premium pricing and power requirements will put it out of reach for some. Serious athletes who want high-performance cold therapy are the fit; casual users may find alternatives more cost-effective.

Strengths
  • — Next-gen ice generator creates thick floating ice that reaches 32°F for authentic ice bath experience
  • — WhisperChill technology enables chiller operation at minimal decibel levels
  • — Intuitive drainage system allows easy emptying with or without hose
Watch-outs
  • — High price point with premium features
  • — Requires 120V, 12A power supply which may limit placement options
$13,999 · Buy at sunhomesaunas.comFull review →

How they stack up

Plunge All In

The Plunge All In stands out as the most energy-efficient and fastest-cooling unit compared to the Sun Home Cold Plunge Pro, while offering a plug-and-play setup that avoids the plumbing complexity of the Plunge Evolve Air Pro Chiller + Heater. Although it is residential-only and pricey, it provides a smarter, more integrated experience than the basic Cold Pod XL.

Sun Home Cold Plunge Pro

The Sun Home Cold Plunge Pro distinguishes itself by reaching a true 32°F with floating ice, a feat unmatched by the Plunge Original or Plunge All In which top out at higher temperatures. While it shares app connectivity with the Plunge All In, it offers a more authentic ice-bath feel than the inflatable Hydragun Supertub, though it demands a dedicated 120V power supply unlike the portable Cold Pod XL.

Specs side-by-side

SpecPlunge All InSun Home Cold Plunge Pro
Dimensions73" x 47" x 27" (XL model) or 67" x 43" x 24" (Standard)34" x 78" x 33" inches
Temperature RangeUp to 104°F (with heater option), cools to 37°FAmbient - 28F
MaterialAcrylic and fiberglass316-grade stainless steel
Chiller Type31% fasterIntegrated 1HP chiller with copper cooling coils
FiltrationOzone with double filtration3-step system: 20 micron sediment filter, ozone injection, and UV sterilization
Weight270 lbs (without water)345 lbs
Included AccessoriesInsulated cover, filtration system, ozone sanitizer—
Capacity—150 Gallons
← See the full ranking of best cold plunge tubs