Powered plunge (chiller built in)
Renu Therapy
The short version
Beautiful, whisper-quiet Cold Stoic tubs with the best warranty of the powered set. The chiller is on the slow side.
We earn nothing from this link. Prices are public ranges as of 2026 and change often, confirm current pricing on the brand's site.
Line-up & pricing
| Cold Stoic 2.0 | ~$9,699 | Powered, filtration |
| Cold Stoic 3.0 | $11,999 | 5-year body warranty |
Cold Stoic 2.0 ~$9,699; 3.0 from ~$11,999. Re-verify current pricing.
Best for
A buyer who values craftsmanship, quiet operation, and the longest body warranty, and holds temperature rather than dropping it fast.
Not for
Anyone who wants rapid cooldowns or a roomy interior.
What it does well
- +5-year body warranty
- +Whisper-quiet
- +Craftsmanship and finish
Where it falls short
Sourced, not our opinion. This is the part the brand's own page leaves off.
Testers measured roughly 1F per hour cooldown; not built for fast on-demand chilling.
Source: Garage Gym Reviews
No nooks to rest arms or head, per testers.
Source: Garage Gym Reviews
The spa light is a $350 add-on on a ~$10k tub.
Source: Plunge Advisor
Frequently Asked Questions
How much is a Renu Therapy cold plunge?
Cold Stoic 2.0 ~$9,699; 3.0 from ~$11,999. Re-verify current pricing.
Does Renu Therapy include a chiller?
Included (1-year chiller warranty). Cools slowly at roughly 1F per hour.
What is Renu Therapy's warranty?
5-year body / 1-year chiller (industry-leading on the body)
Who is Renu Therapy best for?
A buyer who values craftsmanship, quiet operation, and the longest body warranty, and holds temperature rather than dropping it fast.
Who should skip Renu Therapy?
Anyone who wants rapid cooldowns or a roomy interior.
Sources
Before you commit, run your real all-in number and read the safety page.