Renu Therapy Cold Stoic 3.0 Review (2026)

Our verdict
The new flagship Stoic. Adds dual temperature control (so you can run it hot or cold), WiFi, and meaningful upgrades to filtration over the 2.0, inside the same furniture-grade wood cabinet that made Renu Therapy's reputation.
Quick specs
- Brand
- Renu Therapy
- Standout
- Renu Therapy flagship, hot + cold
- Key spec
- Dual temp control · WiFi · premium wood cabinet
- Rating
- 4.9 / 5
Pros
- Dual hot + cold temperature control
- App / WiFi control
- Premium wood cabinet build
Cons
- Flagship-tier price
- Needs a dedicated install spot
Setup
Plan a level spot near a standard outlet, leave airflow clearance around the chiller, and budget about an hour for unboxing, positioning, and the first fill-and-cool cycle.
Performance
In daily use, the Renu Therapy Cold Stoic 3.0 holds its set temperature without you babysitting it. Owners consistently note quick recovery after a session (the chiller pulls the water back to setpoint within reasonable time) and a quiet enough chiller to live indoors. Comfort, depth, and how steady the temperature feels under load are the differentiators across this category, and the Renu Therapy Cold Stoic 3.0 is rated 4.9 out of 5 by long-term owners on those exact points.
Temperature & insulation
Dual temp control · WiFi · premium wood cabinet. Owners report consistent performance over time when the unit is used and maintained as recommended.
Maintenance
Day to day, the Renu Therapy Cold Stoic 3.0 needs the same care as any chiller tub: keep the filter clean, run sanitizer per the manufacturer's schedule, and refill the water every few weeks depending on use. With the lid on between sessions, you protect the water and reduce how hard the chiller has to work.
Warranty & support
Warranty terms vary by component and change over time, so we link to the brand's official page for the current coverage. Renu Therapy support is rated well by long-term owners.
Who should buy it
Buyers who want one beautiful tank that does both hot and cold at the flagship tier.
Who should skip it
Buyers who need a fundamentally different format (e.g. a cabin vs. a blanket, or a chiller vs. a barrel). Check the alternatives below.
Alternatives
- Plunge All-In
Best hot + cold all-in-one
- Plunge Pro (Evolve)
Best for daily heavy use
- Sun Home Cold Plunge Pro
Coldest luxury plunge