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Inergize Cold Plunge Tub
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Inergize Cold Plunge Tub

Inergize Cold Plunge Tub

5.0
Rated 5.0 out of 5 stars
99 Reviews
Regular price $3,899 Sale price $3,399 Save $500
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The Inergize Cold Plunge Tub is portable, self-cleaning, and offers both cold and hot immersion.

  • 37°F chilling in 4 hrs — No ice needed
  • 105°F Hot immersion available — Recovery & relaxation
  • Compact 4ft footprint — Fits any space, indoors or out
  • 30" deep — Full-body submersion (up to 6'5"
  • App-controlled — Align with your schedule anywhere

Cold Only is in stock and ships in 1 business day. Hot & Cold has a delivery date of March 6th.

Add to cart for $800 Value Off

  • $500 Off
  • Free Maintenance Kit
  • Free Electric Pump
  • 1-Year of Filters Included
Cold Plunge Chiller Type

Ships in 1 business day!

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.

Exceptional Support, Guaranteed Peace of Mind.

Trusted by Thousands, Backed by Experts

Reliability You Can Trust

Transform Your Life—Join the Inergize Community

15-Minute Installation

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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.

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.
5.0
Rated 5.0 out of 5 stars
Based on 99 reviews
Total 5 star reviews: 98 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
99%would recommend this product
Slide 1 selected
99 reviews
  • BT
    Brian T.
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    5 days ago
    BEST COLD PLUNGE ON THE MARKET!

    The Inergize Cold Plunge is AMAZING! And … In addition to an amazing cold plunge experience, you get FIRST CLASS customer service, and incredible value with Inergize website, newsletters, etc.

    The Inergize Cold Plunge and the Inergize team have completely transformed my life, and I am now living and feeling better every day.

    I am truly living at peak performance both mentally and physically.

  • JP
    Jean Pierre M.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    5 Stars (But Wish I Could Give 4.5)

    After a lot of research, I ultimately decided to go with Inergize because they offered the best combination of quality and price compared to other cold plunge options. Overall, I’m really happy with my purchase—the tub gets used a lot by both me and my wife, and it’s been a great addition to our routine.

    Pros:

    ✔ Quality Build & Performance – The tub itself is well-made, holds temperature well, and feels durable.

    ✔ Chiller Works Well & Easy to Use – The cooling system does its job efficiently, and getting set up was pretty straightforward.

    ✔ Great Value – After comparing multiple brands, Inergize struck the right balance between affordability and quality.

    Cons:

    • Customer Service Needs Improvement – I had an issue with a rattling noise coming from the chiller, and while it eventually resolved itself, the company was slow to respond when I reached out for support.

    • Filters Get Dirty Quickly – I frequently have to clean out the inner filter because it fills with lint and debris more often than expected.

    • App Could Be More User-Friendly – While the chiller works well, the app interface could be improved for easier control and monitoring.

    • Temperature Precision Could Be Better – I set my target temp to 44°F, but it usually hovers around 44.5 - 45°F, which isn’t a huge issue but worth noting.

    • Price Dropped Right After Purchase – Unfortunately, I bought the tub right before a sale, which was frustrating.

    Despite these minor drawbacks, I’m still very happy with the…

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