When adding cold therapy to a home or gym setup, a reliable cold plunge chiller can transform a standard bathtub into a spa-grade recovery station. The right unit delivers fast cooling, quiet operation, and durable construction—without the need for constant ice. Below are five top options that pair well with standard bathtubs and deliver consistent cold therapy for athletes, fitness enthusiasts, and wellness seekers.
| Product | Brand | Capacity | Notable Feature | Link |
|---|---|---|---|---|
| Ice Bath Chiller & Cold Plunge tub Kit | 1stplunge | 148 gal | Smart touchscreen control, external filter & pump | See product section |
| AS ColdPlunge Ice Bath Water Chiller | AS ColdPlunge | Up to 79 gal | Built-in metal filter, fast cooling | See product section |
| XXL Ice Bath Tub | AudaciaGo | 216 gal | XL size with insulated lid | See product section |
| AS ColdPlunge Ice Bath Chiller & Tub Kit XXL | AS ColdPlunge | 148 gal | Insulated lid, upgraded ice pod | See product section |
| Fox Plunge Ice Bath Chiller | Fox plunge | Varies by tub | Remote control, external filter & hoses | See product section |
Ice Bath Chiller & Cold Plunge Tub Kit

All-in-One Cold Plunge Kit – This system combines a 1/3 HP chiller with an external filter and pump and a 148-gallon insulated tub. The touchscreen control lets users set and save preferred temperatures for repeatable, professional-grade cold therapy at home or outdoors.
The unit cools rapidly to 42°F and maintains precise temperatures. It operates quietly at about 40 dB, enabling use in indoor spaces without disruption. The setup is designed for quick installation with insulated hoses and all necessary fittings.
Compatibility and ease of use are emphasized: connect to a tub via built-in ports, or use a submersible pump for bathtubs without ports. This flexibility supports both new builds and retrofits in varied environments.
AS ColdPlunge Ice Bath Water Chiller

Efficient Cooling with Low Maintenance – This 1/3 HP chiller cools up to 79 gallons down to 42°F, delivering dependable cold therapy for recovery and inflammation reduction. A built-in metal filter helps keep water clear with minimal upkeep.
Cleaner Water with a Built-In Filter – The included metal filter traps debris, reducing filter replacements. It’s easy to rinse and reinsert, helping maintain peak performance without frequent cartridge changes.
Leaky-Guard Hoses – Upgraded insulated hoses minimize temperature loss, speeding up cooling and reducing the chance of leaks. Pre-fitted, leak-proof connectors simplify setup for reliable, ongoing use.
XXL Ice Bath Tub

COMPATIBLE WITH CHILLERS – This XXL tub connects via inlet and outlet ports to a water chiller (not included), allowing automatic temperature maintenance. It works with or without a chiller for flexible use.
PROFESSIONAL-GRADE COLD PLUNGE – Constructed from reinforced fiberglass and PVC with a tear-resistant outer layer, this tub is designed for durable cold therapy sessions. It’s portable yet sturdy enough for dedicated recovery routines.
EXTRA-LARGE CAPACITY – At 216 gallons, the oval tub provides ample immersion space for full-body recovery. Its size supports users of varying heights and body types, and the included accessories aid setup and comfort.
AS ColdPlunge Ice Bath Chiller & Tub Kit XXL

Complete Cold Plunge Recovery Kit – This bundle includes a 1/3HP chiller and an upgraded 148-gallon insulated oval ice bath tub. It eliminates the need for ice bags and provides reliable temperature control for home, gym, or outdoor use.
Rapid Cooling with Smart LED Control – The chiller lowers water to 42°F and maintains it automatically. The LED touchscreen enables easy temperature adjustments to suit daily recovery needs.
Upgraded XXL Oval Ice Bath Tub – Built for stability with a stronger frame, insulated lid, and durable materials. The lid helps lock in cold for extended sessions and protects the water from debris.
AS ColdPlunge Ice Bath Chiller & Tub Kit

Complete Cold Plunge Recovery Kit – No ice bags needed with a 1/3HP chiller and upgraded 148-gallon insulated oval tub. Set your temperature and enjoy consistent, professional-grade recovery outdoors or indoors.
Rapid Cooling with Smart Temperature Control – The chiller cools up to 79 gallons to 42°F and maintains it automatically. The LED touchscreen makes temperature management straightforward for daily use.
Upgraded XXL Oval Ice Bath Tub – Stronger frame and an insulated lid protect the cold and add stability for extended sessions. The lid keeps dust out and helps maintain temperature during downtime.
Buying Guide: Key Purchase Considerations And Comparisons
Purpose and use case: Decide whether you want a compact, tub-only setup or a full kit with a chiller, pump, and filter. Larger tubs (e.g., 148–216 gallons) suit taller users or groups; smaller round tubs are better for solo sessions.
Cooling performance: Look for a chiller rated to reach around 42°F and maintain that temperature. Consider the gallon capacity it supports and the duty cycle for continuous use without overheating.
Noise and energy: A quieter unit (around 40 dB) is preferable for indoor setups. Energy-efficient models reduce running costs for daily use and long recovery sessions.
Filtration and water quality: Built-in or external filters help maintain water clarity and reduce maintenance. Check filter micron size and ease of replacement.
Installation and compatibility: Ensure the tub dimensions and inlet/outlet ports match the chiller kit. Some kits include hoses, fittings, and a submersible pump for bathtubs without ports.
Portability and durability: For gym or outdoor use, prioritize rugged construction, reinforced materials, and wheels or handles for easy transport. Look for weather resistance and UV stability for outdoor setups.
Maintenance schedule: Regularly clean filters, inspect hoses for leaks, and monitor temperatures daily. A kit with clear maintenance steps saves time and extends system life.
Warranty and support: Check product warranties and the availability of customer support or replacement parts to ensure long-term reliability.