Architectural Excellence. Elite Performance.

While standard consumer tubs rely on molded acrylic plastic surfaces, R3 engineered a higher benchmark. Built entirely from stainless steel, our cold plunges are designed as permanent architectural statements for elite commercial facilities, wellness spaces, and high-performance environments.

Thermodynamic Response

Rapid, precise cooling and thermal regulation engineered for high-traffic, continuous use.

Clinical-Grade Hygiene

An inherently non-porous surface that resists biofilm accumulation and pathogens, ensuring effortless sanitation.

Industrial Longevity

Uncompromising material integrity that eliminates cracking, surface wear, and UV degradation permanently.

RE/SET

RE//COVER

RE///CHARGE

Stainless Steel vs. Acrylic Plastic Cold Plunges

When comparing a stainless steel cold plunge to an acrylic plastic alternative, the differences come down to long-term durability, hygiene, thermal efficiency, and overall aesthetics. Stainless steel offers substantial advantages, especially for high-use or commercial environments.

Top 5 Benefits of Stainless Steel vs. Acrylic Plastic

1. Superior Hygiene and Sanitation

Stainless Steel: Stainless steel is inherently non-porous. This means it completely resists the penetration of bacteria, mold, algae, and biofilms. Because there are no microscopic pores or scratches for pathogens to hide in, it is incredibly easy to clean and sanitize. This is why stainless steel is the mandatory standard in commercial kitchens and medical environments.
Acrylic/Plastic: Plastic is softer and porous by nature. Over time, microscopic scratches from cleaning or regular use create breeding grounds for bacteria and biofilm. Acrylic can also develop a slimy texture if the water chemistry isn't perfectly maintained, requiring more aggressive chemical treatments and frequent scrubbing.

2. Extreme Durability and Longevity

Stainless Steel: It is virtually indestructible. It will not crack, warp, chip, or puncture. For an investment that holds hundreds of pounds of shifting water weight and handles constant temperature changes, metal provides structural integrity that lasts a lifetime. It is also completely immune to UV degradation if kept outdoors.
Acrylic/Plastic: Acrylic is prone to cracking, crazing (fine surface cracks), and chipping under stress or impact. Over time, exposure to sunlight (UV rays) and fluctuating water temperatures causes plastic to degrade, become brittle, fade, or turn yellow.

3. Resistance to Corrosion and Chemical Wear

Stainless Steel: High-quality stainless steel is exceptionally resistant to corrosion, rust, and the harsh sanitizing chemicals (like chlorine or ozone) commonly used in water filtration systems.
Acrylic/Plastic: While plastic itself doesn't rust, the resins and gloss coatings on acrylic can be degraded or dulled by heavy exposure to ozone and sanitizing chemicals. Furthermore, if the acrylic is backed by fiberglass or wood for structural support, any hairline crack in the plastic can allow water to seep through, causing rot or structural failure underneath.

4. Thermal Performance and Insulation

Stainless Steel: Metal is an excellent conductor, which means it quickly transfers the energy from a chilling unit uniformly throughout the tub walls, helping to drop water temperatures fast. When paired with proper external insulation, a stainless steel tub retains cold exceptionally well, reducing the workload and energy consumption of the chiller.
Acrylic/Plastic: Plastic is a natural insulator but lacks the rapid thermal conductivity needed to quickly drop temperatures evenly when a chiller is active. Without heavy insulation, cheap plastic tubs sweat excessively and lose cold air rapidly.

5. Premium Aesthetics and Value Retention

Stainless Steel: It offers a sleek, modern, industrial aesthetic that looks premium and high-end. It maintains its finish for decades and commands a much higher resale or asset value.
Acrylic/Plastic: Acrylic has a consumer-appliance look. It loses its luster as it accumulates fine scratches, scuffs, chips and stains, and rapidly ages in commercial use.

Make a Statement

Transform your space into modern luxury

An all-new, stainless steel design built from the ground up for unmatched reliability, performance, and ease of use.

R3 commercial grade cold plunge. Stainless steel shipped from our warehouse.

R3 Standard Features

While other brands promote their premium models made of acrylic plastic, R3 sets a higher standard offering a full stainless steel body —inside and out—for unmatched durability, performance, and elegance.
Engineered for performance, our 1 HP chiller effortlessly brings water temperatures down to as low as 3°C (37°F), all automatically—so you can forget about ice bags and focus on the experience.
The R3 is true plug-and-play luxury—just connect to power, fill with water, and you’re ready to unwind. No specialized plumbing or custom electrical setup required.
The R3 features a state-of-the-art touchscreen interface, giving you intuitive control over temperature and settings—all at your fingertips.
Equipped with an advanced 3-stage filtration system, it keeps your water crystal-clear for longer. A 20-micron filter, mesh filter and integrated ozone technology work seamlessly to deliver peak purity and performance. Contact our sales team for additional water maintenance options.
The R3 commercial-grade chiller features integrated heating, seamlessly transitioning from an invigorating ice bath to a soothing hot tub experience—with water temperatures reaching up to 42°C (108°F) for the ultimate in relaxation and recovery.
Control your temperature remotely using a mobile app.

Ample Space for One Perfectly Sized for Two

Two fitness coaches in a cold plunge at an F45 gym, with fitness equipment on the floor to the left and large windows during a Hyrox event.

Cools to as low as 3°C (37°F), all automatically, no ice required
Touch screen display & mobile App-controlled for temp and time
Continuously circulates water
Works in outdoor temps of 1°-48°C (32°-120°F)
Designed in Canada

Your Questions, Answered

79 (L) x 34 (W) x 30 (H) inches
R3 cold plunge is ETL certified for USA and Canada, and CE certified for Europe.
For Australia and New Zealand, R3 is certified under SAA, AS/NZS and RCM.
When we say plug & plunge, we mean it!
Standard outlet for United States and Canada, 120V 60Hz.
For Europe, R3 also uses a standard outlet 220-240V 50hz/60hz.
R3 uses a commercial grade pump that flows 33 liters of water per minute. This means all water turns over (passed through our 3 step filtration system (mesh filter, micron filter and ozone) every 12 minutes.
Yes, chlorine, pH down, pH up, clarifiers and oxidizers are all able to be used in the R3 stainless steel cold plunge.
Please contact us for our water maintenance guide.
Ozone (O3): kills bacteria, algae, and biofilms instantly (within seconds). Ozone in water acts quickly to kill known viruses, including E.coli and is 50% stronger than chlorine.
Mesh filter: acts as crucial pre-filter to trap sediment, hair, and debris to avoid damaging the water pumps and chiller.
Paper Filter: provides higher-precision filtration capturing fine debris and particles.