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Premium Hot + Cold Immersion

Deep, comfortable immersion. Cleaner water with 4-way filtration. Schedule 37°–104°F from your phone.
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5,000+ sold
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Free Delivery
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1-Year warranty
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0% interest for 12-mo
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Trusted by professional athletes, teams, doctors, and trainers in the NFL, NBA, NHL, MLB, UFC, and Olympic Games alike.

Your Perfect Cold Plunge

Spire Elite
Deep immersion and an ergonomic reclined seat, crafted in premium red cedar and stainless steel.
In Stock Soon
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Features

  • 0.8HP 37°F to 104°F cooling + heating
  • Ergonomic reclined seat
  • Quad filtration + ozone
  • Premium cedar + stainless build

Who is it for

  • Ideal for advanced users & extreme climates
  • Residential & full-commercial use
  • Deep for submersion
Spire Apex
True ice-making cedar plunge and an ergonomic reclined seat, crafted in premium red cedar and stainless steel.
In Stock Soon
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Features

  • 1HP 32°F ice-making mode & 104°F heating
  • Ergonomic reclined seat
  • Quad filtration + ozone
  • Premium cedar + stainless build

Who is it for

  • Ideal for advanced users & extreme climates
  • Residential & full-commercial use
  • For maximum health benefits
Inergize Cold Plunge: Elite Tub
The Inergize Elite is a dual-temperature plunge with fast cooling and heating, app control, 4-step filtration, and a durable matte black CNC build.
Ships in 1 Day
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Features

  • 0.8HP cooling & heating (37°F & 105°F)
  • Fast cooling (7-9°F/hr) & ​4-Step Filtration
  • CNC Build: Matte black, powder-coated.
  • App & control panel for precise adjustments

Who is it for

  • Ideal for advanced users & extreme climates
  • Residential & full-commercial use
  • 30" Deep for full-body submersion

Featured On

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Unlock the Power of Cold Water Therapy

Faster Recovery

Elevate Mood

Boost Energy

Increase Focus

Build Discipline

Optimize Hormones

Sleep Deeper

Boost Metabolism

0% Financing for up to 12 months

Flexible financing with Affirm™ lets you dive into wellness now and pay over time. Terms apply.
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12 Month Warranty Included
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Includes a 1-year warranty on the chiller and tub, with optional 3-year extensions. Our U.S.-based support team has you covered.

Eligible for HSA & FSA
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Use your HSA/FSA benefits for hassle-free reimbursement through TrueMed at checkout.  

Zero Cost Delivery 
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Zero-cost delivery with no hidden fees. In-stock units ship within 1 business day.

0% Interest for 12-months
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Get your Inergize Cold Plunge with 0% APR for 12 months through Affirm, flexible payment plans, and instant approval at checkout—without impacting your credit

Why Inergize?

Engineered to Last

Founded by a Master’s-level engineer, Inergize is built with industrial-grade compressors and premium materials—so you get fast, powerful cooling that stays consistent for the long haul.

Support That Has Your Back

You’re not just buying a tub—you’re backed by real people. Our US-based team includes expert engineers who offer rapid video troubleshooting and hands-on support whenever you need it.

America’s Most Trusted Brand

We’re not just another startup. Inergize is the longest-running portable cold tub company in the USA, with 3X more 5-star reviews than anyone else. We launched with crowdfunding on Indiegogo in 2022, but now we’re the go-to choice for serious high-performers.

More Than Just a Cold Tub 

With your purchase, you’ll unlock our 27-page Cold Plunge Blueprint, bi-weekly insights straight from our founder, and exclusive access to IRL cold plunge events with the Inergize community.

Why High Performers Trust Inergize

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Callum Walsh

WBC Super Lightweight Champion (31-0)

Callum Walsh

WBC Super Lightweight Champion (31-0)
"In the relentless pursuit of excellence, recovery isn’t optional—it’s essential. The Inergize Cold Plunge keeps me at my peak, helping me train harder, recover."
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Tabatha Ricci 

UFC Fighter | Brazilian Jiu-Jitsu Black Belt

Tabatha Ricci 

UFC Fighter | Brazilian Jiu-Jitsu Black Belt
"From grueling training sessions to fight night, my body takes a beating. Nothing comes close to Inergize for reducing inflammation, accelerating muscle recovery, and keeping me strong, flexible, and injury-free. It’s my secret weapon in the Octagon."
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Brendan Donovan

Professional Baseball Player | St. Louis Cardinals

Brendan Donovan

Professional Baseball Player | St. Louis Cardinals
"At 6’1”, I need a plunge that lets me fully submerge—and Inergize delivers. The depth, consistent temperature, and powerful cooling make a huge difference in my recovery. My body feels fresh, my mind is sharp, and I’m always ready for the next game."
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Austin Johnson

Professional Golf Caddie | Brother of Dustin Johnson

Austin Johnson

Professional Golf Caddie | Brother of Dustin Johnson
"I travel the country with my Inergize Cold Plunge. After walking 18+ miles a day, it’s the ultimate tool for reducing inflammation, relieving lower back pain, and keeping my legs fresh. My focus and endurance on the course have never been better."
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Bobby Maximus

Named "Top 100 Fittest Men of All Time" by Men’s Health

Bobby Maximus

Named "Top 100 Fittest Men of All Time" by Men’s Health
"Strength, endurance, and mental toughness—they all start with recovery. The Inergize Cold Plunge is part of my daily routine because it optimizes recovery, builds resilience, and keeps my body in peak condition."

Watch How Athletes, CEOs, & Biohackers Use Inergize

From Burnout to Breakthrough: The Story Behind Inergize

Exhausted and stuck in burnout, I needed a reset. Three freezing minutes changed everything. The energy, clarity, and resilience I had been chasing were finally within reach. But DIY plunges were a hassle—so I built a better one. Now, thousands of high performers trust Inergize to push their limits, recover faster, and unlock their full potential.
Watch Story Here