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Our pick for a bed colder than the room

Sleepme Chilipad 2.0

One Sleeper (single zone), Half Queen: Dock, Hydrolayer, cover and nightstand remote

$1,699US price, checked Oct 13, 2026

Water cooling and heating for one side of the bed, with a remote and no subscription

Check price at Sleepme Full review →

Mattress cooling system

Sleepme Chilipad Cube

One Sleeper (single zone), Half King: Cube control unit, Cool Mesh Pad and remote

$719US price, checked Oct 13, 2026

Entry-level single-zone water cooling pad with no subscription

Check price at Sleepme Full review →

Criterion	Sleepme Chilipad 2.0	Sleepme Chilipad Cube
US price	$1,699Checked Oct 13, 2026 · Price details in the review	$719Checked Oct 13, 2026 · Price details in the review
Three-year ownership estimate	$1,699 Incomplete known subtotal. Not included: annual consumables, energy use.	$719 Incomplete known subtotal. Not included: annual consumables, energy use.
Choose if	You want to cool or heat your half of a 10 to 16 inch mattress from a bedside remote, with no subscription and no need for Wi-Fi.	One sleeper who wants active cooling and heating on their half of a King bed, without an app, Wi-Fi or membership.
Main trade-off	The $1,699 kit covers one side only, neither the Two Sleepers option nor the add-on Companion system showed a price, and power draw, noise and running costs are unpublished.	Cooling depends on room temperature, the standard warranty is only 1 year, and the product page doesn't publish power, noise or maintenance details.
Key specifications	Temperature range: 55°F to 115°F (cools or heats) Zones in this kit: One zone, for one side of the bed. You can add a Companion system later for the other side Mattress fit: Mattresses 10 to 16 in tall. Works with adjustable and split-adjustable bases Controls and sensing: Nightstand remote with two USB-C ports (one for power, one for charging accessories) and a free app. Optional presence sensing can start the sleep schedule when you get into bed early. Works with or without Wi-Fi Water: Needs distilled water. Sleepme says the redesigned Dock has a higher-capacity reservoir so you refill less often, but it gives no volume Subscription: None required Power draw and noise: Not stated by the manufacturer (no wattage or decibel figure published)	Temperature range: 60°F to 115°F, per the page's meta description. The visible copy says "as low as 60°F," and the FAQ says the Cube lowers bed temperature by about 10°F from room air. The visible page text gives no separate heating maximum. Zones and sizes: One Sleeper (one temperature-controlled zone) comes in Half Queen, Half King and Half Cal King. A Two Sleepers option (two zones) is also listed, but its sizes and prices weren't shown. Sleepme says you can add a second single-zone system later for dual-zone control. Controls: Buttons on the unit or the included remote (batteries included). No Wi-Fi, Bluetooth or app account Under-bed clearance: Sleepme says the Cube fits under bed frames with 8 in or more of clearance Subscription: None. The product page says "No Subscription Fees" Power draw, water capacity, noise: Not stated by the manufacturer on the product page
Exact variant	One Sleeper (single zone), Half Queen: Dock, Hydrolayer, cover and nightstand remote	One Sleeper (single zone), Half King: Cube control unit, Cool Mesh Pad and remote
Dimensions	Not stated by the manufacturer. The product page shows no dimensions or weights for the Dock or the Half Queen Hydrolayer. The system fits mattresses 10 to 16 inches tall.	Sleepme says the Cube fits any mattress and fits under bed frames with 8 in or more of clearance. It doesn't state pad or control-unit dimensions or weights on the product page. The page's "Specs" tab and "See Size Chart" link were empty.
Installation	You set it up yourself. Stretch the cover and anchor band over the mattress like a fitted sheet, then place the Hydrolayer inside and secure it with S-hooks. Connect the water hose and power cord, and add the included System Cleaner packet. Then fill the Dock with distilled water until the screen shows the Hydrolayer is full. It works on adjustable and split-adjustable bases. Sleepme doesn't recommend it for a top-split mattress if both sides need to raise and lower independently.	The pad goes on top of your existing mattress, and Sleepme says any mattress works. It calls the Cube "plug-and-play" and lists "Easy Installation." The control unit fits under bed frames with 8 in or more of clearance. Sleepme says the Chilipad works with adjustable and split-adjustable beds. It recommends two single-zone systems for a split-adjustable bed and suggests putting the control units at the foot of the bed. You don't need Wi-Fi, Bluetooth or an app account. Sleepme doesn't state electrical requirements on the product page.
Materials	The Hydrolayer is a water-filled membrane with ultra-thin internal channels. The cover is breathable and machine-washable, with built-in waterproof protection, but Sleepme doesn't give its fabric composition. Sleepme says the core electronics are designed and assembled in the USA, and the soft goods are made by partners in Asia.	The Cool Mesh Pad is water-based, and Sleepme says it has no electrical connections or wires. The page describes the Cube as a dual-sided topper ("Cool or Comfy"). It lists "Machine-Washable & Dryable" among the system's features but doesn't say which parts that covers. Sleepme doesn't state the fabric composition or the control unit's materials on the product page.
Warranty	Two-year limited warranty, with an option to extend it. The product page doesn't show the extension's price or terms.	The Cube has a 1-year limited warranty, with an option to extend coverage. Sleepme's warranty terms give 1 year on the Cube control unit and 1 year on sleep pads. Exclusions include cleaning or maintaining the control unit, or washing the pad, in a way that doesn't follow Sleepme's instructions. They also include improper voltage or power supply, use outside the intended uses, and commercial use such as hotels or hospitals. Neither the product page nor the warranty page states the length or price of the extension (the Protection Plan).
Returns	You get a 30-night sleep trial with free returns. A return starts with a Return Authorization, and refunds are issued within 30 days of receipt. Outside the contiguous US, you pay return shipping. Sleepme can't process returns for items bought through third-party retailers. Orders placed November 4 to December 25 get an extended trial through January 25 of the following year.	There's a 30-night sleep trial with free returns. Sleepme's warranty terms say the trial runs 30 days from delivery, and you must request a return within that period. Sleepme must then receive the product within 30 days of the request. Returns within the first 30 days aren't charged shipping and handling, but expedited shipping fees aren't refunded. If you buy from an authorized dealer, the dealer's return policy applies. Sleep-system purchases made November 4 through December 25 get an extended trial through January 25 of the following year. The pages checked don't state refund timing, minimum nights or packaging requirements.
Unresolved questions	Dock power draw and yearly electricity cost Measured noise level, since Sleepme says only that the 2.0 Dock is quieter than earlier generations Dock and Half Queen Hydrolayer dimensions and weight System Cleaner price and replacement schedule Price and terms of the extended warranty Prices for the Two Sleepers option and the Companion system Long-term durability and leak resistance of the Hydrolayer	Average power draw, nightly run time and noise level Water reservoir capacity, water type, and the refill or cleaning schedule The cost of any maintenance supplies Pad and control-unit dimensions and weights What's in the box: the set is labeled "Cube + Cool Mesh Pad" and the FAQ says a remote with batteries is included, but the What's Included heading has no list Which parts are machine-washable and dryable Protection Plan (extended warranty) length, price and terms Refund timing, minimum nights and packaging requirements for trial returns Regulatory status, since FDA databases weren't checked for this review

These comparisons use published specifications, not head-to-head tests. Prices and terms are dated. Unknown costs are not zero. Check the exact variant before you buy.