Choose your own parts
Outdoor 1/2 HP High Efficiency Water Chiller
Build it your way. Choose your own compatible pump, filter, tubing, and fittings around this outdoor-rated chiller.
From $1,499.99
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Find your cold plunge system
Build Your Cold Plunge System
Answer two quick questions and we’ll match you with the right outdoor-rated cold plunge chiller, Ice Barrel package, or complete plunge.
Tennessee-made chillers
Outdoor-rated options
Knoxville support
Our flagship complete plungeMake room for Summit →
Step 1 of 2
Do you already have a tub or barrel?
Start with the tub you have—or find a complete setup for your space.
Step 2 of 2
How would you like to set up your tub?
Choose the option closest to your setup.
Step 2 of 2
What matters most in your complete plunge?
Summit is our top pick for the complete all-in-one experience. Choose the style that fits your space.
✓ Your best match
*Subject to eligibility and lender approval. See available terms at checkout.
Compare every route
Cold plunge chillers and complete systems
Whether you are converting a stock tank, connecting an Ice Barrel, or choosing a finished cold plunge tub, Penguin offers an outdoor-rated path built around dependable water cooling.
Personal DIY
Cold Therapy Chiller
The simplest bring-your-own-tub route, with a built-in pump, 7,500 BTU/hr cooling, and quick-connect fittings.
From $1,949.99
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Ice Barrel setup
Barrel Chiller Cold Therapy Package
A chiller and connection kit for compatible Ice Barrel models. The barrel and wrap pictured are not included.
From $2,199.99
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Portable complete plunge
Journey Inflatable Cold Plunge
An insulated inflatable plunge for home, travel, training, and events, paired with Penguin cooling technology.
From $2,999.00
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Premium home plunge
Pursuit Acrylic Cold Plunge
A refined insulated acrylic tub with an external chiller for modern homes, gyms, and wellness rooms.
From $4,999.99
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Our top complete system
Summit All-in-One Cold Plunge
Our top pick for a complete plunge: an integrated chiller, stainless tub, filtration, and insulated cover in one finished setup.
From $6,999.99
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Starting at $339.41/mo or 0% APR options available*
*Subject to eligibility and lender approval. See terms at checkout.What about Penguin’s standard 1/2 HP and 1 HP water chillers? They can be used for indoor cold plunge builds, but the standard line is not outdoor rated. This builder prioritizes the outdoor-rated models and complete systems Penguin normally recommends for cold plunging. Outdoor-rated equipment must still be disconnected and fully drained when ambient temperatures reach freezing.
Cold plunge buying guide
How to choose a cold plunge chiller
Start with your tub, then decide whether you want to choose your own parts, use a chiller with a built-in pump, or buy a complete system. A complete personal cold plunge needs dependable water flow, appropriate filtration, safe electrical protection, and enough cooling capacity for the tub volume, insulation, sun exposure, ambient temperature, and frequency of use.
Which Penguin chiller is easiest for a DIY cold plunge?
The Cold Therapy Chiller is the easiest general DIY recommendation because it combines 7,500 BTU/hr cooling with a built-in pump and quick-connect fittings. Its optional install and filter kit can supply the core tubing, bulkheads, and washable filtration for compatible thin-wall tubs.
When should I choose the Outdoor 1/2 HP HE Water Chiller?
Choose it when you want to pick your own compatible pump, filter, tubing, and fittings. It delivers 5,750 BTU/hr of cooling and uses an external pump that you supply. Contact Penguin before purchasing if you are unsure about pump head pressure or system design.
Can these cold plunge systems stay outdoors?
The products featured in this builder are outdoor rated for ambient temperatures above 32°F / 0°C. Insulation, shade, and outdoor temperature still affect performance. Disconnect and completely drain the chiller before freezing weather to prevent damage.
Which complete cold plunge is best?
Summit is our top recommendation for a complete all-in-one cold plunge, combining an integrated chiller, stainless tub, filtration, and insulated cover. Journey is the portable inflatable choice, and Pursuit is the premium acrylic option with an external chiller.