








Medical Frozen 4 Cold Plunge

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- Model Comparison
Frozen 4 – Full-Body Cold Plunge Tub with Smart Temperature Control for Recovery & Inflammation Relief
The Frozen 4 Cold Plunge is your ultimate cold therapy solution for elite recovery, athletic performance, and inflammation relief. Designed by the team at Medical Saunas, this plunge delivers ultra-cold temperatures down to 37°F with whisper-quiet cooling power and energy efficiency.
Crafted for both indoor and outdoor use, the Frozen 4 features a commercial-grade design, easy-clean filtration, and intuitive controls that let you set and hold your perfect chill. Whether you’re a high-performance athlete or a wellness enthusiast, this plunge helps reduce muscle soreness, improve circulation, and activate your nervous system—on demand.
Key Features:
✔️ Cools Rapidly to 37°F for Instant Cold Therapy
✔️ Doctor-Designed for Recovery, Inflammation & Circulation
✔️ Digital Control Panel with Precision Temp Settings
✔️ Ultra-Quiet Operation with Energy-Efficient Cooling
✔️ Outdoor-Ready with Durable, Weather-Resistant Build
✔️ Fast-Flow Filtration for Clean, Clear Water
✔️ Ergonomic Tub Design for Full-Body Immersion
✔️ Ideal for Homes, Gyms, and Recovery Studios
✔️ Easy Drain & Maintenance System
✔️ Backed by 3-Year Limited Warranty
Model: Frozen 4™ Cold Plunge
Cooling Range: As low as 37°F
Pump System: Built-In All-in-One
Filtration: Dual Chiller + Advanced Filtration
Purification: Separated Water Sanitation
Exterior: Military-Grade Shell with UV Protection
Interior Tub: Stainless Steel
Insulation: FoamSeal™ Military Grade
Voltage: 120V Plug & Play
Indoor/Outdoor: Yes – Weatherproof
Accessory Features: Bar Counter, 500 lb Step
Technician Network: 581 Nationwide (US & Canada)
X-Large Dimensions (WDH): 80" x 34" x 35"
X-Large Dry Weight: ~579 lbs
X-Large Filled Weight: ~1544 lbs
Warranty: 3-Year Limited Warranty
We have all models available from this chart
Feature / Model | Frozen 4™ | Frozen 5™ + Accessories | Frozen 6™ + Aromatherapy & Steam |
---|---|---|---|
Built-in All-in-One Pump System™ | ✓ | ✓ | ✓ |
Healthy & Safe 37 Freezing™ | ✓ | ✓ | ✓ |
Frozen Energy Shock™ | ✓ | ✓ | ✓ |
Dual Chiller & Advanced Filtration™ | ✓ | ✓ | ✓ |
Separate Water Purification | ✓ | ✓ | ✓ |
Military Grade Exterior Shell™ | ✓ | ✓ | ✓ |
UV Protected Exterior | ✓ | ✓ | ✓ |
FoamSeal™ Insulation | ✓ | ✓ | ✓ |
20 Ultra Micron Filter™ | ✓ | ✓ | ✓ |
Indoor & Outdoor Use | ✓ | ✓ | ✓ |
No Plumbing Needed | ✓ | ✓ | ✓ |
120V Plug & Play | ✓ | ✓ | ✓ |
US & Canada Technician Support | ✓ | ✓ | ✓ |
Rapid Internal Cooling™ | ✓ | ✓ | |
Energy Efficient Cooling™ | ✓ | ✓ | |
Bar Counter for Accessories | ✓ | ✓ | |
Heavy-Duty 500 lb Step | ✓ | ✓ | |
Essential Oil Infuser & Steam Generator | ✓ | ||
Natural Aromas Included | ✓ | ||
Hybrid Plunge & Hot Tub | ✓ | ||
Stainless Steel Tub™ | ✓ | ||
Extra Energy Efficient Cooling | ✓ | ||
Extra-Rapid Cooling System | ✓ | ||
Standard Dimensions (WDH) | 70" x 33" x 35" | 70" x 33" x 35" | 80" x 33" x 35" |
Standard Dry Weight | ~405 lbs | ~452 lbs | ~475 lbs |
Standard Filled Weight | ~1169 lbs | ~1219 lbs | ~1229 lbs |
X-Large Dimensions (WDH) | 80" x 34" x 35" | 80" x 34" x 35" | 90" x 34" x 35" |
X-Large Dry Weight | ~535 lbs | ~579 lbs | ~635 lbs |
X-Large Filled Weight | ~1461 lbs | ~1544 lbs | ~1560 lbs |
FREE Insulated Cover Promo | ✓ | ✓ | ✓ |