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.

The short answer

Sun Home Portable Cold Plunge comes out ahead by a narrow margin (4.0 vs 4.3). The gap is mostly about users prioritizing max cooling over portability — read the strengths below before deciding.

Ranked #4 in Best Cold Plunge Tubs

Plunge All In

4.0

The Plunge All-In Gen 2 is described as the world's smartest cold plunge, featuring a plug-and-plunge setup with no plumbing required. Experts noted it cools 31% faster using 50% less energy, and includes ozone sanitation with double filtration. The device is app-controlled for temperature setting and session tracking. However, it is designated for residential use only and carries a premium price of $7,990. This makes it best suited for home users seeking a high-end, smart cold plunge experience, rather than commercial or budget-conscious buyers.

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

Buy at plunge.com Full review →

Higher ratedRanked #3 in Best Cold Plunge Tubs

Sun Home Portable Cold Plunge

4.3

The Sun Home Cold Plunge™ Pro delivers an authentic ice bath experience with its next-generation cooling system that reaches 32°F, creating thick floating ice. Forbes Magazine called it a 'Formidable And Durable Powerhouse That's Fit For Olympians.' Business Insider noted it's 'the best cold plunge we've tested.' The unit features WhisperChill™ technology for quiet operation, internally integrated components for performance, and smartphone connectivity. However, its 345 lbs weight and 120V power requirements may 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

Buy at sunhomesaunas.com Full 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 Sun Home model mirrors the cooling power of the Sun Home Cold Plunge Pro, reaching 32°F with floating ice, but is significantly heavier and less portable than the inflatable Hydragun Supertub. It offers more integrated performance than the shell-only Plunge Evolve, though its weight and power requirements make it less flexible than the compact Cold Pod XL.

Specs side-by-side

Spec	Plunge All In	Sun Home Portable Cold Plunge
Dimensions	73" x 47" x 27" (XL model) or 67" x 43" x 24" (Standard)	34" x 78" x 33" inches
Temperature Range	Up to 104°F (with heater option), cools to 37°F	Ambient - 28F
Material	Acrylic and fiberglass	316-grade stainless steel
Chiller Type	31% faster	1HP smart chiller
Filtration	Ozone with double filtration	20 micron filter, ozone, and UV light
Weight	270 lbs (without water)	345 lbs
Included Accessories	Insulated cover, filtration system, ozone sanitizer	Insulated protective tub cover, repair kit, smart hand pump, and carrying case
Capacity	—	150 Gallons

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