Spa Accessories Hot Spring® Accessories Hot Spring® CoolZone™ Hot Tub Cooling System

Hot Spring CoolZone Hot Tub Cooling System

Warm or Cool – It’s Your Choice

With the CoolZone™ System, you can heat and cool the water — something that is not possible with most spas. Enjoy a cool dip during the day and warm soak later that night. The CoolZone system works with your spa’s heater to efficiently raise the temperature in just a few hours.

*CoolZone installation requires a certified HVAC technician. Please contact your dealer for more information.

CoolZone System: Year-Round Comfort and Performance

Turn your hot tub into a true all-season retreat with the CoolZone™ system. On hot days, chill the water for a refreshing dip or a safe play area for kids. When temperatures drop, switch back to warm for relaxing soaks and recovery. The system can cool water down to 60°F—ideal for athletes seeking cold therapy—and helps reduce heater runtime for greater energy efficiency and potential savings. Perfect for families, fitness enthusiasts, and anyone in warmer climates, CoolZone lets you enjoy your spa more often, all year long.

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