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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 #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 Portable Cold Plunge
Ranked #3 in Best Cold Plunge Tubs
Sun Home Portable Cold Plunge
3 sources$3,999as of Aug 1

The Sun Home Portable Cold Plunge reaches 32°F with a next-generation cooling system, creating thick floating ice. Forbes named it the best cold plunge tub overall, calling it 'A Durable, Inflatable Tub That Maintains Itself.' Business Insider called it 'the best cold plunge we've tested.' Smart app-controlled cooling system keeps it quiet, components are integrated internally for performance, and it connects to a smartphone. Its 345 lbs weight and 120V power requirements will limit portability and placement options.

Strengths
  • — Next-gen cooling system reaches 32°F to create thick floating ice for authentic ice bath experience
  • — WhisperChill technology enables chiller operation at minimal decibel levels
  • — Internally integrated chiller ensures maximum performance and protection
Watch-outs
  • — Requires 120V, 12A power supply which may limit placement options
  • — Tub weight of 345 lbs makes it quite heavy to move despite industrial-grade casters
$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 delivers comparable integrated cooling performance at a fraction of the cost, reaching temperatures suitable for floating ice. 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)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% faster1HP smart chiller
FiltrationOzone with double filtration20 micron filter, ozone, and UV light
Weight270 lbs (without water)345 lbs
Included AccessoriesInsulated cover, filtration system, ozone sanitizerInsulated protective tub cover, repair kit, smart hand pump, and carrying case
Capacity—150 Gallons
← See the full ranking of best cold plunge tubs