Renu Therapy · Cold plunge
Cold Stoic 3.0
Renu Therapy's flagship cold plunge, handcrafted in Southern California with dual hot and cold temperature control. Includes a 0.5 HP chiller, dual-stage filtration with ozone, and app controls.
Key features
- Dual temperature control from 37 F to 104 F
- 0.5 HP chiller with dual-stage filtration and ozone purification
- WiFi app plus touchscreen controls
- 70"L x 33"W x 35"H with 4" insulation; 91-104 gallon capacity
How Cold Stoic 3.0 is used in recovery
The modalities this equipment supports. Tap any for the full guide — the science, who it's for, and verified studios that run it.
Related equipment
Cold plungeRenu Therapy
Aurelius Laydown Cold Plunge
A spacious full-length cold plunge tank built for reclining immersion. The large-capacity model combines dual hot/cold temperature control with premium insulation, filtration and ozone purification.
Cold plungeRenu Therapy
Cold Stoic 2.0
A handcrafted cold-therapy plunge for dedicated cold exposure, with upgraded insulation and an efficient integrated chiller that cools to 39 F with minimal maintenance.
Cold plungePlunge
Pro Chiller Gen 2
A residential chiller designed to pair with Plunge cold plunge tubs, holding consistent cold water temperatures with ozone sanitation and a 20-micron filter.
Cold plungeSun Home Saunas
Sun Home Cold Plunge - Horizontal
The Cold Plunge Horizontal is a portable, horizontal inflatable cold plunge with a 1HP smart chiller that both cools and heats, plus ozone sanitation and mobile app control.
Cold plungeSun Home Saunas
Sun Home Cold Plunge Pro
The Cold Plunge Pro is a stainless-steel cold plunge with an internally integrated chiller that cools water to 32 F, plus automatic filtration/sanitization and smartphone app control.
Cold plungePlunge
The Plunge
The original Plunge cold plunge tub, an acrylic and fiberglass design that pairs with the Pro Chiller for fast, app-guided cold immersion. Residential-only model that fits users up to 6'8".
For equipment makers
Are you Renu Therapy?
Claim your brand page on Praxium, manage your product listings, and reach the studios and buyers searching for cold plunge.
Not sure which protocol is right for you?
Take the 60-second Protocol Match and get a goal-based recovery plan — which modality, in what order, how often.