Maker-built · Owner-direct
One outlet. Full immersion. 37°F.
Mortise-joined mahogany around a full-immersion bathing basin, with the chiller built into the surround. It runs at 37°F on a standard 120V / 15A GFCI outlet.
Mahogany Cold Plunge, in detail.
Cold at 37°F
The chiller is built into the surround and keeps the bathing basin at 37°F for a deliberate full-immersion practice.
One standard outlet
The built-in chiller runs on a standard 120V / 15A GFCI outlet.
Mahogany, joined to last
The bathing basin is wrapped in mortise-joined mahogany, fitted by hand in the Yutori shop.
Why cold therapy
What cold can support.
Deliberate cold exposure is one of the most-studied recovery practices of the last decade. The research is promising and still maturing — bodies differ, and outcomes are never guaranteed. We keep the claims careful on purpose.
Recovery
Cold immersion is widely used after hard training to manage soreness and help the body settle.
Alertness
The plunge drives a sharp rise in norepinephrine — part of why the first cold minute feels so awake.
Mood
A lasting lift in mood is one of the most consistent effects people report after deliberate cold.
Resilience
Staying calm in cold water is a daily practice in controlling your stress response on purpose.
Circulation
Cold constricts the vessels, then they reopen as you warm — a flush the body repeats every session.
Inflammation
Cold-water immersion is studied for its effect on swelling and inflammatory markers after exertion.
Metabolism
Cold activates brown fat and asks the body to spend energy holding its core temperature.
Adaptation
Cold gets easier with repetition as your body learns to meet the shock and breathe through it.
Research-informed
What the science says — and doesn’t.
The research on cold immersion is encouraging, not definitive. Different people respond differently, and timing matters. We build the plunge to make a hard practice repeatable — not to promise an outcome.
Cold
- Norepinephrine rises sharply and can feel alerting
- Brown-fat activation is part of active cold research
- Cold tolerance and autonomic control build with repetition
Contrast
- Pairs directly with sauna heat for a full hot-cold cycle
- Rapid shifts between warm and cold are the heart of the ritual
- Often reported as more mood-elevating than cold alone
Recovery
- Long used to manage soreness after hard effort
- Evidence is strongest for how recovered you feel
- Best kept away from right after strength training if muscle growth is the goal
Caution
- The cold-shock response is real — ease in
- Never plunge alone while you are still new to it
- Check with a provider first if you have a heart condition
Yutori cold plunges are general wellness products. We always recommend discussing substantial routine changes with your healthcare provider.
Questions, answered.
- Can a cold plunge really run on a standard outlet?
- Yes. The built-in chiller runs on a standard 120V / 15A GFCI outlet.
- How cold does it get?
- The public temperature is 37°F, maintained by the built-in chiller.
- What setup details are confirmed before a quote?
- Drainage, filtration, sanitation, access, hardware, cover, steps, delivery, and setup are confirmed for the specific build before they are quoted.
- How many people does it fit?
- One adult, seated and fully immersed in a deep bathing basin inside the mortise-joined mahogany surround.
- What's the surround made of?
- The surround is mortise-joined mahogany, fitted around a full-immersion bathing basin.
- How much does the cold plunge cost?
- Pricing is shared in conversation, not posted. Book a tour, plunge in the working unit, then we'll talk specifics.
Pair it with.
Heat, then cold, then rinse. Experience the working sequence together, see how the contrast ritual works.
Come stand in it before you decide.
Every build leaves one shop in Graham, Washington — see how it’s built and meet the makers.
Visit the ShopSpecifications
- Basin
- Full-immersion bathing basin
- Surround
- Mortise-joined mahogany
- Cold
- Built-in chiller · 37°F
- Power
- 120V / 15A GFCI · standard outlet
- Capacity
- 1 adult, full-immersion seated
Current configuration, availability, and pricing are confirmed in conversation after you tour the working setup.