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Cold plunge by Renu Therapy

Cold Stoic 3.0

Cold to 37°F. Hot to 104°F. Set it from the touchscreen or your phone.

$12,099(shipping included)

Ask about the plunge
Renu Cold Stoic 3.0 in Meterous Black with a Composite Natural Teak breath deck and step stool
  • Cools to 37°F (2.7°C) and heats to 104°F (40°C).
  • Touchscreen on the tub. Wi-Fi app control from anywhere.
  • Two-stage filtration with ozone purification.
  • Breath deck and matching step stool in six colors.
  • All-weather spa cover with child safety locks.
  • Programmable lighting.
  • Renu’s 5-year limited warranty: 5 years on the body, 1 year on the chiller. Claims go through Renu, and we help you through the process.
Ask about the plunge
Man leaning on a black Cold Stoic 3.0 with a teak deck, beside an infinity pool

Built for performance.

Engineered to last.

  • 4 inof insulation

  • 6breath deck colors

  • 37–104°Fcold and hot

  • 0.5 HPquiet chiller

Specifications

Specifications and dimensions

Drawing
Line drawing of the Cold Stoic 3.0: 70 in long, 33 in wide, 35 in high

Dimensions

Outside
70 × 33 × 35 in
Inside tank
40 × 25 × 31 in

Weight

Empty
About 365 lb
Filled
About 1,155 lb

Water capacity

Filled
95 gallons
Max
134 gallons

Power

Cooling
518 W
Heating
1,013 W

Connectivity

Control
Touchscreen and Wi-Fi app
Lighting
Programmable

Noise level

Chiller
58 dB at about 3 ft

Effortless ownership
and thoughtful features

  • Man kneeling on a lawn, sliding a filter into the side of a black Cold Stoic

    Dual filtration

    Cleaner water, less effort

    An external and an internal filter catch debris and fine particles. Filters swap without tools. Comes with 1 reusable primary filter and 2 XL secondary filters.

  • Woman sitting in clear, cold water in the plunge

    Ozone purification

    Clean water, fewer chemicals

    A built-in ozone generator reduces bacteria and organics, so the water stays fresh with fewer chemicals.

  • Man crouching to use the touchscreen on the side of the plunge

    Technology

    Control from anywhere

    Set the temperature, mode and lighting from the touchscreen, or from the app over Wi-Fi.

  • Woman in the plunge beside a display reading 37°F to 104°F

    Performance

    Built to hold temperature

    37°F to 104°F from a quiet 0.5 HP chiller and thick-wall insulation, year-round.

  • Woman standing beside a black Cold Stoic with a teak deck on an outdoor deck

    Design

    Minimal upkeep

    Wood or composite decks, and a mechanics bay that hides the equipment.

Woman sitting on the edge of a black Cold Stoic on a deck above a valley

Contact Us

Order a Cold Stoic.

Tell us where you are. We’ll call to confirm colors and delivery.