Cold Plunge Tubs & Spas for Sale
These are complete cold plunge systems: an insulated tub with a built-in chiller, circulation pump, filter and sanitation, ready to fill and plug in. Set the temperature on the control panel and the water stays there — no ice, no guesswork.
Compare interior dimensions (a 6-foot user needs about 60 inches of interior length to sit chest-deep), water volume, chiller horsepower, lowest achievable temperature, insulation and cover, and whether the unit is rated for outdoor placement. Many tubs also heat, which allows hot-tub or contrast use from the same unit.
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More About Cold Plunge Tubs & Spas
Acrylic or composite shells with foam insulation hold temperature efficiently and are easy to clean; stainless-steel tubs look striking but conduct heat and need more chiller capacity. A hard cover keeps debris out, reduces chiller run time and is essential outdoors. Integrated ozone or UV sanitation keeps the water clear and reduces chemical use.
For commercial installs, consider ease of draining and refilling, an accessible filter for weekly cleaning, and a step or handrail for safe entry. Placement should be on a level surface that can carry the filled weight — a 100-gallon tub weighs over 1,000 lb when full.
Frequently Asked Questions
Can I put a cold plunge tub outdoors?
Outdoor-rated models can be placed on a deck or patio under cover. Chillers should be protected from direct sun and rain, and the tub should be covered when not in use.
How much power does a plunge tub use?
Most home units plug into a 120 V / 15–20 A outlet and draw 700–1,200 W while the chiller runs. Well-insulated tubs cycle only a few hours a day.
How long does it take to cool the water?
From tap temperature to 45°F, typically 12–24 hours depending on chiller size and room temperature. Once cold, the tub maintains temperature continuously.