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764 reviews

OOLER Sleep System with Chili Cool Mesh™

The OOLER is our most advanced and most luxurious sleep system with a hydro-powered thermal range that operates from 55-115°F (13-46°C). It includes a reversible hydronic pad, control unit(s) and OOLER app for sleep schedules. Enjoy upgraded features to not only improve your sleep but to optimize it for one or two sleepers.


Free Shipping & Returns


30 Night Sleep Trial


2 Year Warranty

Over 500+ 5 Star Reviews!

full-star full-star full-star full-star half-star
764 reviews

OOLER Sleep System with Chili Cool Mesh™

The OOLER is our most advanced and most luxurious sleep system with a hydro-powered thermal range that operates from 55-115°F (13-46°C). It includes a reversible hydronic pad, control unit(s) and OOLER app for sleep schedules. Enjoy upgraded features to not only improve your sleep but to optimize it for one or two sleepers.

STEP 1 • WE VS ME question-mark


just for you



made for two

STEP 2 • SELECT BED SIZE question-mark


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STEP 3 • CHOOSE ADD ONS dark-arrow-down

Take 25% off your sleep system!

Add our 15lb weighted blanket to your order and save 25% off both the weighted blanket and your sleep system. *To use chiliBLANKET + Chili Cool Mesh simultaneously, a separate control unit is needed.

View Offer

$329 $246.75
chiliBLANKET 15lb / none
chiliBLANKET 15lb
$749 $561.75
chiliBLANKET 15lb + OOLER Control Unit / me
chiliBLANKET 15lb + OOLER Control Unit





Monthly payments as low as 0% APR financing.


Monthly payments using your credit card at 0% interest.

In Stock: Ships in 1-2 business days

Disclaimer: Core Items and Accessories Ship Separately


Free Shipping & Returns


30 Night Sleep Trial


2 Year Warranty

Why Choose OOLER?

Why Choose OOLER?s

Comfort for every sleeper

OOLER matches your body’s heat load to vastly improve sleep quality + comfort.

Pre-cool or Pre-warm

Set your ideal temperature range from 55°-115°F to sleep in any season


Because water is more efficient at heating and cooling, we harness its power to bring you the ultimate, customizable sleep cocoon.

The Components of Cooling Comfort

The Components of Cooling Comforts

Chili Cool Mesh™ pad

Provides a soft, hydro-powered layer that’s as comfy as it is customizable. Set your temperature and the pad gets warmer or cooler based on your preference.

OOLER Control Unit

Your control unit boasts auto-dimming, warm awake (no alarm necessary), and manual temperature control if needed.

App Friendly

Advanced ChiliSleepers love the power of OOLER’s app-scheduling. Set temperature based on when you go to bed, wake up, and more so your bed is never too hot or cold.

Elevate Your Deep Sleep Experience

Elevate Your Deep Sleep Experiences

The OOLER is chili's most powerful sleep unit. With adjustable noise levels, and a sleek, bedside & under-bed friendly design, a comfortable night's sleep is never far away.



Happy ChiliSleepers

What Customers are saying

Jen V.
Verified Buyer

Lovin the Ooler

My husband and I have had our ooler for about two weeks. I measure my HRV and sleep cycles with Oura so I can tell I'm getting very good deep and rem sleep which was my goal. My husband doesn't monitor his sleep but often woke up at 3 and 4 am and could not go back to sleep. Now he's sleeping till his alarm goes off and sleeping in on Saturday. This was exactly what I wanted for him to create better energy and longevity. We know how important good sleep is to health and longevity!

Chrissy A.
Verified Buyer

Wish I bought this a year ago!

I wasn’t sure this would work but after a year of getting so hot at night and my relatively new mattress just holding in heat I was about to drop thousands of dollars on a new mattress. Then I found this product and it has worked so well for a fraction of what I was going to pay. It also have the versatility to do heat and cold. After a full week of finally getting some sleep I am hooked. I only wish I knew about it sooner.

Frequently Asked Questions

How do I set up the OOLER? dark-arrow-down

Need some help getting your bed ready? Here’s the basic order of operations we generally recommend for new users: 

1. Mattress as base

2. Attach Cool Mesh mattress pad (connecting tubes can go at the head or foot of the bed) 

3. Put on Fitted sheet over Cool Mesh pad

4. Blanket or duvet on top (think of it as a refrigerator: if the door is left open, all the cold air will be let out; using a top layer traps the air to regulate your temperature preference!)

Place the control unit under the bed or beside the bed, making sure to leave a clearance of at least 18 inches around the unit to facilitate air exchange and circulation.

Do I have to use it with the app? dark-arrow-down

It’s totally up to you. You can use it manually or with your smartphone. Here are some of the key benefits to using the OOLER’s app: 

+ Set the perfect temperature from your phone.

+ Set sleep schedules for automatic and precise temperature changes throughout the night. 

+ Use the Warm Awake feature as an alarm clock replacement (imagine waking up by having a gently warmed bed trigger your body's natural wake response!). 

Can I use the OOLER on just half of our bed? dark-arrow-down

Yes! The OOLER is available in Me & We, Queen, King, and Cal King sizes. “Me” sizes are designed for one sleeper (one control unit) and cover half of the mattress; “We” sizes are designed for two sleepers (two control units) and cover the entire mattress. Even better, if you purchase the We unit, you and your partner get two control units so that you can each find your ideal sleep temperature, night after night.

How do I wash the the Chili Cool Mesh Mattress Topper? dark-arrow-down

To wash the Chili Cool Mesh mattress pad, we recommend a front-loading washer (or a top loader without an agitator). Secure the pad tubes with the included wash strap or a thick rubber band, rope, etc. Wash with cold water on a delicate cycle. To dry the pad, keep the pad tubes secured and dry on a delicate cycle with no heat. Do not bleach, do not iron, and do not dry-clean the pad. Make sure the pad is completely dry before reconnecting to a power source.

Can the OOLER help me burn fat while sleeping? dark-arrow-down

Many factors will determine fat loss, of course, but science says deep sleep can play a key role in burning fat. The key to unlocking the deepest sleep lies in temperature regulation. When you use the OOLER, water is pumped through the pad, letting you adjust the temperature to choose what works for you. 

Will the OOLER boost my testosterone levels? dark-arrow-down

Again, many factors are at play with hormone levels. But we know that testosterone is at its highest levels during REM sleep (restorative sleep that occurs mostly late in the nightly sleep cycle). Deep sleep also stimulates a natural boost in human growth hormone. Plus, when the body is well-rested, it’s able to replenish glycogen stores, reduce inflammation, and boost motor skill development.

Can my environment effect the peak performance of the sleep system? dark-arrow-down

Peak performance is dependent on multiple factors such as ambient temperature, individual body mass and humidity and may not be suitable to replace conventional A/C.

What is your shipping and return policy? dark-arrow-down

Fast and free standard shipping and returns. Will be shipped the same or next business day.

Do I also clean the control unit? dark-arrow-down

Yes, we recommend cleaning the system once per month. Add one packet of the chiliPAD cleaning solution to your cube, ensuring it’s connected to your pad so the solution can clean the tubes inside your pad as well. You can purchase packets of the solution when you add your sleep to the cart.

Does the OOLER get good reviews? dark-arrow-down

Yes! For two years in a row now, Consumer Reports has included the OOLER in its review of best cooling mattress pads. The OOLER has earned a lot of well-deserved praise in other leading publications:

+ A review in GQ says “the OOLER effortlessly sloughed the molten heat off my body” and recommends ChiliSleep’s general premise, which is that instead of cooling all the air in your home, “maybe it’s easier to just cool the thing you’re laying on.”

+ Mashable calls the OOLER “no ordinary mattress pad” and “worth the splurge” because it keeps you cool all night long, with water flowing in its ⅛” silicone tubes spread throughout the pad. 

+ praises the OOLER as the Most Innovative cooling mattress pad, perfect for “people who want precise control over the temperature of the bed” and “those who want a mattress pad that can be paired with a smartphone app.”

+ Good Housekeeping gushes that finally “you can bring your AC into your bed” with precise temperature control “from an application on your smartphone for super easy use.”

+ Matt Blackburn Host of Mito Life "I started with the Original Chilipad which is awesome its just a little more work....But now I have the OOLER which is their newest system and that one is incredible, self cleaning, with ultraviolet light, which I'm so obsessed with purple light so that's cool too but it really works and I go to bed cold and then I wake up warmer because you can set the time that you gotta go to bed and wake up with your phone and again, there is no  EMFs'. they thought about all that and they are ware of all that."

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