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Head-to-head · Best Cold Plunge Tubs

Plunge All In vs Sun Home Portable Cold Plunge

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

Plunge All In and Sun Home Portable Cold Plunge score essentially the same (4.0 vs 4.0). Pick the one whose trade-offs match your priorities — the strengths and watch-outs below are where they actually differ.

Plunge All In
Ranked #3 in Best Cold Plunge Tubs
Plunge All In
2 sources$7,990as of Sep 25

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, per BarBend
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 Portable Cold Plunge
Ranked #4 in Best Cold Plunge Tubs
Sun Home Portable Cold Plunge
2 sources$3,999as of Sep 25

The Sun Home Portable Cold Plunge pairs an inflatable, puncture-resistant tub with a standalone chiller that Sun Home rates down to 32°F (and up to 104°F for warm soaks). Forbes named Sun Home the best cold plunge tub overall, calling the Portable 'A Durable, Inflatable Tub That Maintains Itself,' and found its 1HP chiller took water from hose temperature to sub-50 degrees in three hours. App control over Wi-Fi, ozone sanitation and a 20-micron filter keep upkeep light. It needs a dedicated 15-amp GFCI circuit, and the chiller only runs when ambient temperatures are above 40°F.

Strengths
  • — Standalone chiller rated from 32°F up to 104°F, so it doubles as a warm soak
  • — Inflatable tub sets up in about 20 minutes with no tools and deflates for storage, per Sarah Beth Yoga
  • — Ozone injection plus mesh and 20-micron filters keep the water fresh for weeks between changes
Watch-outs
  • — Needs a standard 120V outlet on a dedicated 15-amp GFCI circuit
  • — Chiller only runs when ambient temperatures are above 40°F
$3,999 · 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 Portable Cold Plunge

This affordable alternative to the Sun Home Cold Plunge Pro pairs an inflatable tub with a standalone chiller rated to 32°F at a fraction of the cost. It is significantly more budget-friendly than the $13,999 Pro while offering similar smart app control and portability features compared to heavier competitors like the Hydragun Supertub.

Specs side-by-side

SpecPlunge All InSun Home Portable Cold Plunge
Dimensions73" x 47" x 27" (XL model) or 67" x 43" x 24" (Standard)—
Temperature RangeUp to 104°F (with heater option), cools to 37°F32°F to 104°F
MaterialAcrylic and fiberglassPuncture-resistant inflatable tub
Chiller Type31% fasterStandalone 1HP chiller
FiltrationOzone with double filtrationMetal mesh filter, 20-micron paper filter, ozone injection
Weight270 lbs (without water)15.5 lbs tub, 88 lbs chiller
Included AccessoriesInsulated cover, filtration system, ozone sanitizerInsulated protective tub cover, repair kit, smart hand pump, and carrying case
Capacity—128 gallons
← See the full ranking of best cold plunge tubs