Cold plunge
Cold Stoic 3.0
The iconic dual-temp flagship. Cold and heat, 37 to 104°F.
From $12,799













Siberian Pro at home
Cold recovery that fits into your everyday routine.
Part of the ritual
A plunge you will want to step into, morning or night.
1-year warranty
Built for heavy, commercial use and backed by our 1-year warranty.
A powerful chiller
A 0.8 HP chiller holds a steady 37 degrees under heavy use.
Simple, precise control
Set your temperature on a clean thermostat-style control.
Set the mood
Add optional ambient lighting to the breathwork-ready deck.
Handcrafted hardwood
A handcrafted hardwood breath deck and step, built to endure.
Weather-ready finish
A weather-resistant exterior in ten color combinations.
Simple filter care
Rinse or replace the filter on a simple rhythm to keep the water clear.
Clean water, naturally
Integrated ozone and an XL 50-micron filter keep water clear.
No plumbing to install
Fill and drain with a standard garden hose, no plumber needed.
Plug in and go
Into a standard outlet, set your temperature, and you are ready to plunge.
Our largest plunge
The roomiest interior we build, fitting users up to 6 foot 8 tall.
Outside Tank 80” × 34.375” × 37”
Inside Step 48” × 24” × 30”
Empty ~650 lbs
Filled ~1,500 lbs
Filled 120 gallons
Cooling 600 watts
58 dB from ~3 ft
Outside Tank 80” × 34.375” × 37”
Inside Step 48” × 24” × 30”
Empty ~650 lbs
Filled ~1,500 lbs
Filled 120 gallons
Cooling 600 watts
58 dB from ~3 ft
How you like to take the cold, cold only or hot and cold, and how much room you want. We point you to the plunge that fits.
Question 1 / 5
How do you like to take the cold?
Question 2 / 5
Just cold, or cold and heat in one?
Question 3 / 5
How much room do you want inside?
Question 4 / 5
Which style fits you?
Question 5 / 5
What matters more?
Reveal match
Most plunges cut corners—on design, performance, and support. Renu doesn’t. If you’ve been hunting for a plunge that checks every box, this is the one.
With advanced features and upgrades, this product sets a new standard for performance, convenience, and durability in cold/hot water exposure.
Don’t just take it from us