Hot Tub Chiller System

HotSpring® Spas CoolZone Hot Tub Cooling System

“We absolutely love it! It allows us to use our spa all year long here in Arizona and allows us to change temperature often when the weather gets hotter or cooler.” — Hot Spring Owner

CoolZone™ is perfect for families that live in hot climates, or for those that just want to escape the heat of summer. It’s ideal for parents or grand parents who want a fun way to entertain younger children. Its also a great place for active adults and athletes who are looking for effective cold water therapy.

Desert Hot Tubs will offer you the opportunity to cool your new HotSpring® Spa or Caldera® Spa Hot Tub with our all new CoolZone® Hot Tub CHILLER technology. Enjoy the benefits of your new hot tub this summer with the added advantage of being able to cool the water down to as low as 60 degrees, all with the energy efficiency you would expect from a hot tub from HotSpring, the #1 Selling Hot Tubs Worldwide!!

Just visit one of our four showrooms today and ask what this is all about, and be one of the first homes in the US to have this technology in your very own backyard.


Just say “I WANT TO COOL MY JETS” and we will show you how.

Read What Some Of Our Test Group Said About Our Hot Tub Chiller:

General Comments:

“We absolutely love it, it allows us to use our spa all year long here in Arizona and lets us change temperature often when the weather gets hotter or cooler.”

“Really worth it. Money well spent”

” I like it a ton as it truly helps me use it more in the summer very hot months where I live.”

“My husband liked that the water was cool when he wanted to cool off after work. I liked that I could bump up the temperature very quickly and enjoy the spa as well.”

“Great performance, very energy efficient”

“Very versatile for all weather use.”

“Would hate my hot tub if I had no chiller/heater.”

Product Performance:

Q) Was there a noticeable change in the energy consumption of the spa?

A) “I did not see a significant change and I used the chiller pretty frequently”

A) “Not much of a noticeable change”

A) “We have seen a dramatic drop in the heating portion of the hot tub power bill”

Special Note: FYI, the chiller is a heat pump so it also provides the heat in the winter instead of using the hot tub’s heater…

Q) Does the time required to cool the water meet your expectations?

A) ” Very fast and exceeded my expectations”

A) ” It starts creating cold water very quickly!”

A) “We love the ability here in Phoenix to be able to cool and then cool even lower.”

A) “Better than met our expectations. Can’t believe how well it works.”

Q) Is the noise level of the Heat Exchange/Chiller system acceptable?

A) “Cannot even hear it. I have to actually get close to the unit to realize the fan is running”

A) “Very quiet”

Introducing CoolZone™, a highly efficient and innovative system that can heat or cool the water in your spa. With a range of 60 to 104 degrees Fahrenheit. The CoolZone™ option is professionally installed and easily controlled through your hot tubs control panel.