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0% interest for 12-months

As Low as $17/mo*

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Add to cart for $800 Value Off

$500 Off + Free Maintenance Kit + Free Electric Pump +
1-Year of Filters Included

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0% interest for 12-months

As Low as $ $17/mo*

Learn more

Get the Cold Plunge Buyer's Guide

Download our free guide for product specs, what's included, and more.

Ships in 1 Business Day - In Stock

Free Delivery*
30-Day Guarantee
1-year Warranty
100% U.S.-Based Customer Support
  • What’s included with my inergize tub?
    • Inflatable & Insulated Cover: Provides 5 inches of air insulation, a lockable code system, for a debris-free, child safe setup.
    • Garden Hose Drainage: Can be used to extend the blue water hose by enabling the attachment of a garden hose for more control during drainage. Very useful for indoor applications.
    • Initial Sanitizer Kit: Bromine-free, chlorine-free solution designed to keep water sparkling clear and sanitary, with no chlorine odor or dry skin. Kit includes: (1) 32oz bottle of Sirona Simply Oxidizer (1) 16oz bottle of Sirona Simply Sanitizer (1) 25 pack of Test Strips (1) Measuring spoon (1) 20 micron water filter.
    • Backpack: Easily pack up, transport and carry your cold plunge tub to experience cold water therapy on the go.
    • Dual Action Hand Pump: Inflate your cold plunge Tub in under 15 minutes.
    • Hand Skimmer Net Scoop out any floating debris.
    • Cold Plunging PDF Blueprint Book
    • Weekly Founder-Led Video Insights via Newsletter
  • Powerful features

    Chiller Specs

    • Power: 0.8 HP
    • Cooling Rate: 5-8°F/hr
    • Cooling/Heating Time: 4-5 hours from fill up (at 65°F ambient)
    • Cooling Capacity: 5,903 BTU/hr (1730W)
    • Heating Capacity: 8,189 BTU/hr (2400W)
    • Temperature Range: 37°F - 105°F
    • Flow rate: 309 gallons per hour (GPH)
    • Input Power: 700W
    • Controls: Front Control Panel & App
    • Dimensions: 24”x12”x18”
    • Outdoor Rated: IPX4
    • Minimum ambient
    • temperature: 35°F
    • Weight: 60 lbs
    • Noise Level: 60dB
    • Electrical Requirements: A grounded 120V/60 HZ power supply on 15A circuit is required.

    Tub Dimensions & Weight

    • Tub Exterior: 51 x 27.5 x 30 in
    • Tub Interior: 43.3 x 20.8 x 30 in
    • Tub Weight: 25 lbs. empty and 800 lbs. full of water
    • Volume: 80 gallons
    • If you’re placing it on a deck or balcony, make sure it can support the weight 800 lbs.
  • Do you have financing?

    Yes! We offer 12, 24 or 36 month financing available through Affirm with 0% APR financing offers. At the Payment step at checkout scroll down and choose Affirm (blue logo) below entry of credit card details.

  • What is lead time?

    Current lead time: shipping in 1-2 business days. Free shipping to all lower 48 states in the US. We ship to Canada and Mexico for an additional fee. Please contact us for other international shipping inquiries.

Frequently Asked Questions about Cold Plunge Tub

  • Maintaining your cold plunge tub involves replacing the 20 micron filter bimonthly/monthly (depending on usage). Videos are here. 
  • Clean the strainer once per week. 
  • Sanitize the water weekly.

Yes, you can use the Inergize Cold Plunge Tub outdoors. It's rated IPX4 which states “Protects from splashing water”. We recommend placing it in shade/shelter as it will cool more efficiently and increase the longevity of the unit.

The Inergize Cold Plunge Tub is drop stitch polyester fabric is the same material used in inflatable paddle boards/kayaks providing rock-solid rigidity and can support 200 pounds on its edge without bending or spilling. It’s as strong and rigid as any acrylic bath tub, yet it can be rolled into a duffle bag for travel.

A cold plunge tub offers numerous benefits including improved muscle recovery, enhanced circulation, reduced inflammation, and better mental clarity. Regular use can also help reduce stress and boost your immune system.

Featured Reviews

Best Mix of Features With Price
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“Inergize has a smaller footprint, portability, less expensive yet still very high-quality. Set it up in 30 minutes and control it through an app, so you can be ready to plunge anytime.”

Ryan C.

Our Whole Family Loves It!
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“My spouse and I use Inergize 4-5 times per week, and our young kids even enjoy their cold dips. It has helped with our inflammation, physical recovery, mental clarity, and sleep.”

Catherine C.

Works Great in Texas Summers
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“I live in Texas, and the chiller works even in our intense heat, and the water is always cold and just right.”

Chad M.

Perfect Plunge For Big Guys & Gals
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“I love the depth of this tub! I’m 6'2" tall weighing 265 lbs, and I can fully submerge to the base of my skull without water overflowing.”

Todd Y.

Addictive Cold Plunge Tub!
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“I’ve used various cold plunges, and I am MORE than happy with my Inergize plunge. It is easy to maintain, works very efficiently, and doesn't take up much room.”

Mark W.

Can’t Believe It’s As Good As The Hype
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“I can’t believe how much it improves my mood and overall well-being. I had an issue getting started, but the team at Inergize got right back to me, and after we got it going, the owner even reached out to see if I wanted to chat with him.”

Justin B.

It So Portable
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“I winter in AZ, and I packed my tub and took it with me. There is no other tub that can do that. Ciaran is great to work with. I highly recommend this product.”

Stephen N.

Best Cold Tub For Home Use!
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“I spent the last two years looking for the perfect cold plunge option for my home, and finally I pulled the trigger on getting the Inergize plunge. I couldn't have made a better decision; the tub fits perfectly in my home office.”

James D.

Game-Changing Health Benefits
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“Doing things that are uncomfortable but safe and return immense health benefits is hard to come by. Plunging in the Inergize is one of them!”

Michael S.

Best Choice For Tall Users
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“Being 6’- 4”, I STILL totally fit in the tub, all the way to my chin, without needing to do a yoga pose to fit. Inergize is the perfect balance of high-spec features and convenience.”

Ian R.

Plunge Life!
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“I bought this unit from Ciaran because all the other plunge companies' tubs were too big and not deep enough. Living in the city, homes aren’t big, and the compact size and the 30” depth is everything I was looking for and fits my space perfectly!

Erwin Q.

Fantastic Cold Plunge
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“I wasn’t a believer in the benefits of cold plunging until I actually tried it. I plunge for 10 minutes every morning at 41 degrees, allowing me to start every day feeling awake, alert, calm, and energized!”

Ray G.

Love It!! 10/10
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“I was one of the lucky people to get my hands on the Inergize Cold Plunge early on. It is amazing! I can't exaggerate enough how crucial it has been for my recovery after long days at hockey practice."

Carl S.

Great Choice After Research
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“I did extensive research and looked at temps all the way through to the length and height of the majority of the top products. I also appreciate the communication from the team even after the initial sale. Top-notch job, guys.”

Adam P.

Great addition to my home office
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“I spent the last two years looking for the perfect cold plunge option for my home, and finally I pulled the trigger on getting the Inergize plunge. I couldn't have made a better decision; the tub fits perfectly in my home office.”

James D.

Exceptional Support, Guaranteed Peace of Mind.

At Inergize, your wellness journey is our top priority. From customer service hotline to rapid video troubleshooting by our expert team of engineers, we’re here to ensure your experience is seamless and stress-free. With our 30-day money-back guarantee, you can explore the Inergize difference completely risk-free. Experience a level of care and commitment unmatched in the industry.

Trusted by Thousands, Backed by Experts

Since May 2022, Inergize has set the gold standard in the cold plunge industry, earning 100+ 5-star reviews and partnering with health leaders. Trusted by elite high performers, our US-based team delivers products that enhance recovery, boost focus, and transform wellness routines. Join the thousands who trust Inergize to unlock their peak potential.

Reliability You Can Trust

Built with industrial-grade compressors and premium materials, Inergize cold plunges deliver consistent, worry-free performance every time. Designed to outlast the competition, our products ensure your recovery routine is never interrupted, no matter the environment. Backed by a founder with a master’s in mechanical engineering, Inergize delivers confidence, reliability, and peace of mind for years to come.

Transform Your Life—Join the Inergize Community

Inergize isn’t just a product—it’s a movement of high performers dedicated to health, resilience, and personal growth. Connect with exclusive access to our 27-page Inergize Blueprint Book, weekly founder-led insights, and transformational in-person events. Unlock your potential with a community that empowers you to thrive.

The Inergize Difference

The Inergize Cold Plunge Tub offers dual hot and cold functions in a deep 30-inch design, ensuring critical neck submersion for full cold therapy benefits. With energy-saving insulation, sturdy connections, and a padded floor, it ensures reliability and comfort.

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Cold Plunge Tub

$4,490

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0.8 HP

30"- Neck Deep

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Stainless Steel

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4" Inflatable

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51" x 27.5" x 30"

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Legacy

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$4,490

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0.8 HP

24"- Chest Deep

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Plastic

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0.08" Fabric

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test

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52" x 33" x 24"

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Elite

$5,490

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1 HP

24"- Chest Deep

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Plastic

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0.08" Fabric

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63" x 37" x 24"

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Evolve Air

$5,090

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1 HP

28"- Chest Deep

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Plastic

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4" Inflatable

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61" x 32" x 28"

15-Minute Installation

Take cold water therapy with you. Perfect if you frequently move home, road trip or host events. The take down is a breeze with the lightweight 25 lbs tub, dual-action hand pump, garden hose drainage, quick-fit hoses and duffel bag.

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Powerful Features

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Full-Body Immersion in Small Spaces & For Tall People

Our tub, compact at 4.3ft, transforms any space into your wellness center. With 30 inches of depth and padded support, enjoy full-body immersion without water spillage, even for those up to 6ft 4”

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Powerful Chiller Keeps Water Cold (or Hot)

Effortlessly switch between hot and cold modes with our powerful 0.8HP compressor, reaching 37°F or 105°F in 4-5 hours. With a fast flow rate it feels colder. It can withstand outdoor conditions down to 35°F and it has a waterproof rating.

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Clean Water for Low Maintenance

The filtered, sanitized water requires less frequent replacement so you can plunge more often without the dread of emptying it every 2 weeks. Includes a 20-micron pleated PET filter, stainless steel strainer, and 4-month sanitizer supply.

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Durable Military-Grade Tub

Our tub, crafted with military-grade drop-stitch material, inflates to 10 PSI and supports up to 330 pounds. Stainless steel connections guarantee durability. The cover provides 4 inches of air insulation, prevents rain water accumulation, and includes a lockable code system for outdoor setup, ensuring both comfort and safety.

Flexible Financing Available
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Discover a range of financing options to suit your budget, including an option for 0% APR over 12 months* with Affirm at checkout.

12 Month Warranty Included
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Every purchase includes a 12 month warranty, with the option to extend by an additional 3 years.

Eligible for HSA & FSA
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TrueMed gives you the ability to use your HSA or FSA for hassle-free reimbursement for your Inergize Cold Plunge. 

Zero Cost Delivery 
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Free delivery across the lower 48 states, ships within 24 hours for unmatched speed.

Included Bonus Items

Each Inergize Cold Plunge includes $500 in free accessories

Inflatable & Insulated Cover
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4 inches of air insulation and lockable buckles, enjoy debris-free, child-safe setup—without any rainwater collection.
Initial Sanitizer Kit
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Includes a filter and chlorine-free, bromine-free solutions, and test strips for clean & clear water.
Backpack
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Easily transport and carry your cold plunge tub anywhere.
Dual Action Hand Pump
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Inflate your tub in under 15 minutes with our double action pump.
Hand Skimmer Net
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Quickly remove any unwanted debris.
Garden Hose Drainage
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Simplified drainage with extended control using this garden hose attachment.

As Featured In…

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"It has a oval, short, deep design that has a small footprint and doesn’t take up as much space as other tubs."
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“Inergize is the best portable cold plunge. Its water lasts up to 6-months with just 5 min of maintenance per week.” 
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“More portable, powerful and 2 degrees colder than other plunges at higher price points.”
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“This is one of our favorite cold plunges on the market. High-quality and works well in tight spaces.”
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“Inergize Ice bath is the optimal mix of portability, style, and cutting-edge technology.”

Specifications

Dimensions & Requirements

Tub Dimensions & Weight

  • Tub Exterior: 51 x 27.5 x 30 in
  • Tub Interior: 43.3 x 20.8 x 30 in
  • Tub Weight: 25 lbs. empty and 800 lbs. full of water
  • Volume: 80 gallons (If you’re placing it on a deck or balcony, make sure it can support the weight 800 lbs.)

Chiller Specs

  • Power: 0.8 HP
  • Cooling Rate: 5-8°F/hr
  • Cooling/Heating Time: 4-5 hours from fill up (at 65°F ambient)
  • Cooling Capacity: 5,903 BTU/hr (1730W)
  • Heating Capacity: 8,189 BTU/hr (2400W)
  • Temperature Range: 37°F - 105°F
  • Flow rate: 309 gallons per hour (GPH)
  • Input Power: 700W
  • Controls: Front Control Panel & App
  • Dimensions: 24”x12”x18”
  • Outdoor Rated: IPX4
  • Minimum ambient temperature: 35°F
  • Weight: 60 lbs
  • Noise Level: 60dB
  • Electrical Requirements: A grounded 120V/60 HZ power supply on 15A circuit is required.

Maintenance

  • Replace 20 micron filter bimonthly/monthly (depending on usage). Videos are on the support page here.
  • Sanitize the water weekly.
  • Clean the strainer once per week.

US VS THEM

VS

Competitors/Knockoffs

Thickest insulationon the market with sub zero technology

High strength UV-resistant nylon fabric

Larger than competitors and fits people up to 6ft7 (or 300lbs) comfortably

Free from BPA, phthalates & any other harmful chemical traces

Ships from theUSA

Covered by warranty, 30 days return policy

Inventors of the Original Portable Ice Bath

Chiller compatible with quick connect valves

Very little or no insulation

Poor quality material, deterioates & and leaks after a few uses

Small size where you can't fit comfortably

Cheap plastics containing BPA & Phthalates

May ship from china, long shipping time

No warranty coverage or support

Low quality knockoff product

Not chiller compatible

The Quality & performance of Chiller Pro

  • What’s included with my inergize tub?
  • Powerful features
  • Do you have financing?
  • What is lead time?