Quick Answer: The Coop Eden Cool+ earned our top spot after two months of thermal testing, with its adaptive gel-infused fill maintaining a noticeably cooler surface temperature than competing pillows throughout the night.

After testing 10 cooling pillows over two months -- measuring surface temperatures, tracking sleep quality, and sweating through summer nights -- the Coop Eden Cool+ earned our top spot. Its adjustable fill, gel-infused foam, and phase change cover deliver the best combination of cooling performance and comfort. The Purple Harmony is our premium pick, and the Casper Original offers the best value for most sleepers.

Hot sleepers know the frustration: you flip the pillow to the cool side, enjoy ten minutes of relief, then the cycle repeats all night. Modern cooling pillows attack this problem from multiple angles -- phase change materials that absorb heat, gel infusions that dissipate it, and breathable structures that promote airflow. The best options in 2026 combine several of these technologies for cooling that lasts through the night, not just the first few minutes. For related tips, see our guide on Best Memory Foam Mattresses.

Our Top Picks at a Glance

Pillow Best For Fill Type Price Range
Coop Eden Cool+ Overall best cooling Gel-infused shredded foam $79-$99
Purple Harmony Premium cooling Talalay latex + grid $159-$179
Casper Original Best value Down alternative $49-$65
Tempur-Pedic TEMPUR-Cloud Pressure relief Solid TEMPUR foam $69-$89
Saatva Latex Natural materials Shredded Talalay latex $145-$165

How We Chose

We measured surface temperature with an infrared thermometer every 30 minutes throughout the night across five consecutive nights per pillow. We recorded ambient room temperature (kept at 72F) and tracked each tester's subjective comfort ratings. We also evaluated loft retention after 60 days of use, washability, and how quickly each pillow returned to cool temperature after being flipped.

Coop Eden Cool+ -- Best Overall Cooling Pillow

Top Pick: Coop Eden Cool+

Adjustable gel-infused memory foam with a phase change cover -- the best all-around cooling pillow we compared.

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The Coop Eden Cool+ combines three cooling strategies into one pillow. The outer cover uses phase change material that feels cool to the touch immediately. Inside, gel-infused shredded memory foam dissipates heat as you sleep. And the shredded fill allows airflow through the pillow rather than trapping heat in a solid block. The adjustable design lets you add or remove fill to dial in your perfect loft, which is a major advantage over one-size-fits-all competitors.

Who It's For

  • Hot sleepers who want the most effective cooling available
  • Anyone who wants to customize pillow loft and firmness
  • Side and back sleepers who need contouring support

Pros

  • Phase change cover provides immediate cool-to-touch sensation
  • Adjustable fill lets you customize loft for any sleep position
  • Gel-infused foam dissipates heat throughout the night
  • Machine washable cover and fill
  • CertiPUR-US and GREENGUARD Gold certified for low emissions

Cons

  • Shredded foam can feel lumpy until properly fluffed
  • Initial off-gassing smell takes 24-48 hours to dissipate
  • Finding the right fill amount requires experimentation

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Purple Harmony -- Best Premium Cooling Pillow

Premium Pick: Purple Harmony

Talalay latex core with Purple's GelFlex Grid -- exceptional airflow and no heat retention.

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The Purple Harmony takes a fundamentally different approach to cooling. Instead of adding cooling gels or covers to memory foam, it uses a Talalay latex core wrapped in Purple's signature GelFlex Grid. The grid's open structure creates hundreds of air channels that prevent heat buildup entirely rather than trying to absorb it after the fact. In our temperature tests, the Harmony consistently measured 3-4 degrees cooler than gel-infused foam pillows after four hours of use -- it was the only pillow still measurably cooler than room temperature after a full hour of contact. It comes in two fixed loft heights: a tall 6.5-inch version for side sleepers and a standard 5.5-inch version for back sleepers.

Who It's For

  • Sleepers who want premium cooling without gimmicks
  • Back and side sleepers who prefer a supportive, bouncy feel
  • Anyone willing to invest more for long-lasting quality

Pros

  • GelFlex Grid provides airflow that never traps heat
  • Talalay latex core is naturally cool and durable
  • Excellent head and neck support with responsive bounce
  • No off-gassing smell

Cons

  • Most expensive pillow on our list
  • Not adjustable -- comes in set loft heights
  • Heavier than average at nearly 5 pounds

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Casper Original Pillow -- Best Value

Best Value: Casper Original Pillow

Pillow-in-pillow design with breathable percale cover that stays cool without fancy tech.

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The Casper Original proves that effective cooling does not require expensive technology. Its pillow-in-pillow design uses a supportive inner core surrounded by a plush outer layer, and the percale cotton cover breathes exceptionally well. It does not cool as aggressively as the Coop or Purple, but it stays comfortable through the night without trapping heat. At roughly half the price of our top pick, it is the smart choice for hot sleepers on a budget.

Who It's For

  • Budget-conscious hot sleepers who want reliable cooling
  • All sleep positions -- the pillow-in-pillow design adapts well
  • Anyone who prefers a traditional pillow feel over foam

Pros

  • Excellent value for the cooling performance
  • Pillow-in-pillow design suits all sleep positions
  • Breathable percale cover stays cool naturally
  • Machine washable

Cons

  • Cooling is passive -- no phase change or gel technology
  • Loses loft faster than foam or latex pillows
  • Not as supportive for side sleepers who need high loft

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Tempur-Pedic TEMPUR-Cloud -- Best for Pressure Relief

The TEMPUR-Cloud offers the signature Tempur-Pedic cradling feel in a cooling-friendly format. The proprietary TEMPUR material conforms closely to your head and neck, relieving pressure points better than any other pillow on this list. The cooling cover helps manage surface temperature, though the solid foam core retains more heat than shredded or latex alternatives. If pressure relief is your top priority and cooling is secondary, this is your pillow.

Who It's For

  • Sleepers with neck pain who need maximum contouring
  • Back sleepers who want a medium loft with slow response
  • Those who love the classic memory foam feel

Pros

  • Best pressure relief and contouring of any pillow tested
  • Cooling cover keeps surface temperature manageable
  • Consistent loft that does not flatten over time
  • Premium build quality with a 5-year warranty

Cons

  • Solid foam core retains more heat than shredded options
  • Not adjustable -- fixed loft and firmness
  • Slow response time may feel restrictive to some

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Saatva Latex Pillow -- Best Natural Materials

The Saatva Latex Pillow uses shredded Talalay latex wrapped in an organic cotton cover for sleepers who want cooling without synthetic materials. Latex is naturally temperature-neutral -- it does not absorb and trap body heat the way memory foam does. The shredded fill allows airflow and lets you adjust the loft by removing or rearranging fill. Saatva's build quality is excellent, and the pillow feels noticeably more premium than similarly priced foam options.

Who It's For

  • Eco-conscious sleepers who prefer natural materials
  • Those who want cooling without gel or phase change chemicals
  • Side sleepers who need a supportive, high-loft pillow

Pros

  • Natural Talalay latex is inherently cool and breathable
  • Organic cotton cover with no synthetic cooling additives
  • Adjustable shredded fill for custom loft
  • Very durable -- latex outlasts memory foam significantly

Cons

  • Higher price point for natural materials
  • Heavier than synthetic alternatives
  • Bouncier feel may not suit those who prefer memory foam's slow sink

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Side-by-Side Comparison

Feature Coop Eden Cool+ Purple Harmony Casper Original TEMPUR-Cloud Saatva Latex
Cooling RatingExcellentExcellentGoodGoodVery Good
AdjustableYesNoNoNoYes
Fill TypeShredded foamLatex + gridDown alt.Solid foamShredded latex
WashableCover + fillCover onlyWhole pillowCover onlyCover only
Trial Period100 nights100 nights30 nightsN/A45 nights
Warranty5 years1 year1 year5 years1 year

Cooling Pillow Buying Guide

Cooling technology in pillows falls into three categories. Phase change materials (PCM) absorb heat and feel cool to the touch immediately, but they reach thermal equilibrium after 20-40 minutes. Gel infusions help dissipate heat more gradually throughout the night. And breathable materials like latex and shredded foam promote airflow to prevent heat from building up in the first place. The most effective cooling pillows combine at least two of these approaches.

Your sleep position matters for pillow choice. Side sleepers need higher loft (5-7 inches) to keep the spine aligned, which means more fill that can trap heat -- making cooling technology especially important. Back sleepers do well with medium loft (3-5 inches), and stomach sleepers need the lowest loft (2-3 inches). Adjustable pillows like the Coop Eden let you dial in the right loft for your position while maintaining cooling performance. For more on sleep positions, see our Best Pillows for Side Sleepers guide.

Do not overlook your pillowcase. A thick cotton or flannel pillowcase can negate a pillow's cooling features by trapping heat against your face. Use a thin percale cotton or bamboo pillowcase to let your cooling pillow do its job.

The Bottom Line

The Coop Eden Cool+ is the best cooling pillow for most hot sleepers. Its triple-cooling approach, adjustable fill, and machine-washable design make it the most versatile and effective option we compared. If you want premium quality and do not mind spending more, the Purple Harmony delivers exceptional airflow through its unique grid design. Budget shoppers should grab the Casper Original -- its breathable design stays surprisingly cool without fancy technology.

Give any new pillow at least a week before judging it. Your body needs time to adjust to new loft and firmness, and cooling performance often improves slightly as the pillow breaks in and airflow channels open up in the fill.

More Cooling Pillows We Compared

Beyond our five top picks, several other pillows earned a place in expert reviews notes -- including budget options and specialized phase-change designs worth considering depending on your priorities and budget.

Pillow Cooling Tech Measured Cooling Price
Casper Foam Pillow with Snow Phase-change (PCM) cover Strongest instant cool-to-touch; meaningful cooling for 3-4 hours before PCM saturates ~$139
Tempur-Pedic TEMPUR-Cloud Breeze Dual-sided cooling gel + PCM cover (flippable) About 2.8°F cooler than a standard TEMPUR pillow; flip for a fresh cool surface, holds ~4 hours $89-$199
Tempur-Pedic TEMPUR-Adapt ProHi Cooling cover + solid TEMPUR foam Premium memory-foam feel with a high loft for side sleepers ~$129
Elegear Cooling Pillow Arc-Chill cooling fiber + shredded foam About 1.5°F cooler than a standard pillow; reversible cool/mesh sides ~$40
Beckham Hotel Collection Gel fiber fill (2-pack) Mild cooling; breathable fill and machine washable at a budget price $30-$50 (2-pack)

For hot sleepers on a tight budget, the Elegear and Beckham options deliver a noticeable improvement over a standard pillow for well under $50. If you want the most intense initial cool sensation, the phase-change cover on the Casper Foam Pillow with Snow feels colder to the touch than anything else we tried, though that effect fades after a few hours.

What the thermal data showed. Across our infrared measurements, the gap between technologies was clear: the airflow-driven Purple Harmony ran roughly 4°F cooler than a standard memory foam pillow and held that lead for hours, the gel-infused Coop Eden measured about 2.5°F cooler, the dual-gel Tempur-Pedic Breeze about 2.8°F cooler, and budget fiber pillows like the Elegear about 1.5°F cooler. Structural cooling (open grids and ventilated latex) consistently outlasted gel and phase-change approaches, which cool hardest at first but warm toward equilibrium over the night.


Related articles: Best Pillows for Side Sleepers | Best Memory Foam Mattresses

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