Latest news with #testing
Associated Press
9 hours ago
- Business
- Associated Press
Aehr Test Systems to Announce Fiscal 2025 Fourth Quarter and Full Year Financial Results on July 8, 2025
FREMONT, CA / ACCESS Newswire / June 30, 2025 / Aehr Test Systems (NASDAQ:AEHR), a worldwide supplier of semiconductor test and burn-in equipment, today announced that it will report financial results for its fiscal 2025 fourth quarter and full year ended May 30, 2025 on Tuesday, July 8, 2025 following the close of the market. The Company will host a conference call and webcast at 5:00 p.m. Eastern time to discuss the results. About Aehr Test Systems Headquartered in Fremont, California, Aehr Test Systems is a leading provider of test solutions for testing, burning-in, and stabilizing semiconductor devices in wafer level, singulated die, and package part form, and has installed thousands of systems worldwide. Increasing quality, reliability, safety, and security needs of semiconductors used across multiple applications, including electric vehicles, electric vehicle charging infrastructure, solar and wind power, computing, advanced AI processors, data and telecommunications infrastructure, and solid-state memory and storage, are driving additional test requirements, incremental capacity needs, and new opportunities for Aehr Test products and solutions. Aehr has developed and introduced several innovative products including the FOX-PTM families of test and burn-in systems and FOX WaferPakTM Aligner, FOX WaferPak Contactor, FOX DiePak® Carrier and FOX DiePak Loader. The FOX-XP and FOX-NP systems are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize a wide range of devices such as leading-edge silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets, and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The FOX-CP system is a low-cost single-wafer compact test solution for logic, memory and photonic devices and the newest addition to the FOX-P product family. The FOX WaferPak Contactor contains a unique full wafer contactor capable of testing wafers up to 300mm that enables IC manufacturers to perform test, burn-in, and stabilization of full wafers on the FOX-P systems. The FOX DiePak Carrier allows testing, burning in, and stabilization of singulated bare die and modules up to 1024 devices in parallel per DiePak on the FOX-NP and FOX-XP systems up to nine DiePaks at a time. Acquired through its acquisition of Incal Technology, Inc., Aehr's new line of high-power packaged part reliability/burn-in test solutions for Artificial Intelligence (AI) semiconductor manufacturers, including its ultra-high-power Sonoma family of test solutions for AI accelerators, GPUs, and high-performance computing (HPC) processors, position Aehr within the rapidly growing AI market as a turn-key provider of reliability and testing that span from engineering to high volume production. For more information, please visit Aehr Test Systems' website at # # # SOURCE: Aehr Test Systems press release
Washington Post
2 days ago
- Washington Post
We tested more travel neck pillows. A newcomer wins.
Trying to get some shut-eye while you're cramped and sitting upright is an uphill battle. Cue the neck pillow. While they can look goofy, they can also be a huge help for getting some sleep in transit — particularly in economy. Fortunately, the internet is a bottomless pit of neck pillows. Unfortunately, most of them aren't worth your time, money or carry-on space. So we've been testing them for you for years to report back on the good ones. Because the travel pillow market seems to be ever-evolving, that work is never done.
Yahoo
3 days ago
- Business
- Yahoo
MDA SPACE REOPENS OPERATIONS AT DAVID FLORIDA LABORATORY
Ensures critical sovereign satellite and space systems integration and testing capabilities remain available to all industry in Canada BRAMPTON, ON, June 27, 2025 /CNW/ - MDA Space Ltd. (TSX: MDA), a trusted mission partner to the rapidly expanding global space industry, today announced it has taken over operation of the David Florida Laboratory (DFL) in Ottawa, ensuring this world-class testing facility remains open to industry and under sovereign Canadian control. The facility houses essential infrastructure that enables the assembly, integration and testing of entire spacecraft and satellite systems and subsystems to ensure their ability to operate in the harsh conditions of space. No other facility of its kind is commercially available in Canada. Owned and operated by the Canadian Government since the 1970s, DFL has been a strategic national asset and integral part of Canada's national and industrial end-to-end space capability for decades, supporting the development of space technology and critical missions for both the government and private sector. The facility has played a pivotal role in establishing Canada's world-leading national and industrial space capabilities including critical components of the James Webb Space Telescope, all Canadarm space robotics, the RADARSAT family of Earth observation satellites, and multiple generations of essential communications satellites that support every aspect of the daily lives of Canadians. MDA's stewardship of the facility underscores its commitment to advancing the nation's space ambitions while ensuring Canadian companies have the resources they need to succeed in a growing and commercializing global space industry. "The David Florida Laboratory is an irreplaceable national asset and the operational transfer to industry at a time of rapid commercialization of the global and domestic space industry is a natural evolution," said Mike Greenley, CEO of MDA Space. "We are honoured to take on this responsibility to ensure DFL remains open to all industry for the long term, preserving Canada's sovereign space capabilities and helping to foster innovation and growth across the Canadian space sector." The David Florida Laboratory will continue to support a range of assembly, integration and test (AI&T) requirements including Electromagnetic Compatibility (EMC), thermal vacuum, antenna and vibration test services. MDA Space is committed to providing fair and equitable access to all industry partners to test and validate their advanced technologies on a competitive fee-for-services basis. Details of integration and testing services offered at DFL are available on the MDA Space LaunchPad portal or by contacting DFL@ ABOUT MDA SPACE Building the space between proven and possible, MDA Space (TSX:MDA) is a trusted mission partner to the global space industry. A robotics, satellite systems and geointelligence pioneer with a 55-year+ story of world firsts and more than 450 missions, MDA Space is a global leader in communications satellites, Earth and space observation, and space exploration and infrastructure. The MDA Space team of more than 3,400 space experts in Canada, the US and the UK has the knowledge and know-how to turn an audacious customer vision into an achievable mission – bringing to bear a one-of-a-kind mix of experience, engineering excellence and wide-eyed wonder that's been in our DNA since day one. For those who dream big and push boundaries on the ground and in the stars to change the world for the better, we'll take you there. For more information, visit SOCIAL MEDIALinkedIn: X: Facebook: YouTube: Instagram: View original content to download multimedia: SOURCE MDA Space View original content to download multimedia: Error in retrieving data Sign in to access your portfolio Error in retrieving data Error in retrieving data Error in retrieving data Error in retrieving data
Motor Trend
3 days ago
- Automotive
- Motor Trend
The Best Jump Starters with Tire Inflators for 2025
Editor's Note: We test and review every product we recommend. Read how MotorTrend tests products here . The article reviews portable jump starters with tire inflators, highlighting the Clore Automotive JNCAIR 1700 as the best overall and the NOCO Boost Air AX65 as the best compact option. Both were tested for power, inflation speed, and additional features like USB ports and flashlights. This summary was generated by AI using content from this MotorTrend article Read Next Don't let a dead battery suck the juice out of your morning. With a little bit of preparation, you can be back on the road in minutes even if the kids left the dome light on overnight. And the best part? The solution isn't a tangled mess of ancient jumper cables. Portable jump starters can squeeze an incredible amount of power into a package the size of a lunch box. The best ones will hold a charge for months so they're at the ready in case of an emergency. And their utility doesn't stop at reviving dead cars. Every product we tested also functions as a tire inflator and many come equipped with LED work lights and power ports to charge your electronics on the go. I started this test by scouring the Internet for the most popular and best-reviewed jump starter/tire inflator combos and narrowed my field down to six. I took careful notes while unboxing each product and got a real-world feel for carrying, charging, and stowing them around the shop and in the car. Next came more than 50 hours in the MotorTrend test garage where I rigorously tested just how well each device could inflate tires and jump start vehicles with dead batteries. Because it's hard to get accurate, repeatable results jumping cars, I even used an AutoMeter BVA-34 Battery Tester to stress test and accurately measure the output of each jump box. When the dust (and smoke) settled, one product stood out as the most rugged, simple, and cost-effective cure for dead batteries and deflated tires: the Clore Automotive Jump-N-Carry JNCAIR 1700 What I Looked For I designed the tests for this review and selected products with the goal of finding the best jump starter and tire inflator combos. That means products that are reliable, easy to use, and budget-friendly. Among the popular products on the market, six stood out as the most promising. I put them to the test with the following criteria in mind: The more amperage and the more vehicle starts a jump box can deliver, the more likely it'll get you back on the road quickly Tire inflators should be able to top up all four tires on a single charge Built-in pressure gauges should be accurate A tire inflator that works quickly is more convenient The pump should be able to inflate tires to 80 psi to accommodate the high pressures needed for heavy-duty pickup trucks When stowed in its carrying case, the unit should be compact enough to keep in a vehicle Additional features such as a flashlight, a USB port for charging a phone, and adapters for filling balls, pool rafts, and air mattresses are nice to have but not mandatory Specifications and Test Results for the Best Jump Starter and Tire Inflators Jump Starter & Tire Inflator Reviews Best Overall Jump Starter & Tire Inflator: Clore Automotive Jump-N-Carry JNCAIR 1700 Pros Life-proof rubberized design Long and rugged cables Good for 30+ jump starts Cons Very heavy No LED light No USB ports In our test: The JNCAIR 1700 is like a 30-pound dumbbell that can inflate four of your tires and then jump start every car in your neighborhood. Inside the grippy rubber and plastic housing is a lead-acid battery and air compressor built to handle dead batteries and flat tires in all kinds of conditions. On the front of the device, you'll find a cigarette-lighter-style 12-volt outlet to power your portable electronics in an emergency and a dial indicating the power level of the jump starter's battery. Out back there's an analog dial indicating air pressure, and the inflator hose is tightly coiled and mounted to the unit. I connected the JNCAIR 1700 to the AutoMeter BVA-34 load tester to see how close I could get to the claimed 1,700 peak amps. The battery tester indicated a maximum current of 463 amps, the second-highest of any product in this test. Again, after fully charging the JNCAIR 1700, I used the BVA-34 to simulate repeated jump starts. It maintained 9.6 volts for more than 50 starts. To be sure there was power remaining, I disconnected the battery from my 2017 Jeep Wrangler, and the Clore jumped it without issue. The final test was attempting to start my stone-cold 1986 M1028 CUCV army and its fossilized 6.2-liter V-8 diesel engine. The JNCAIR 1700 was the only product that not only cranked over the big diesel but also allowed the dormant engine to fire up. To evaluate the integrated tire inflator, I ran the same tests I developed for my review of the best portable tire inflators. The JNCAIR 1700 inflated four tires from 25 to 35 psi in just over three minutes per tire with barely any drop on the analog battery level gauge. I suspect at least three more cars' worth of tires could be topped off on one charge. Next, the JNCAIR 1700 refilled a flat 33-inch tire in 11 minutes and 17 seconds, the second-fastest time across all products I've tested. Again, this task barely affected the charge level. The machine also did not appear overly hot or overworked at any point during inflation. To finish the inflation tests, the JNCAIR 1700 filled my high-pressure air tank from 40 to 80 psi in 3 minutes and 48 seconds with ease. The only frustration with the JNCAIR 1700 was unfurling the plastic inflator hose. The instructions claim it is 12 feet, but the hose is molded in such a way that you feel like you're about to break it if you stretch it past 5 feet. The solution? I know it's heavy, but just pick it up and carry it over to the next tire. Bottom Line: When it comes to batteries jumped and tires inflated per dollar, you can't beat the power of this stout unit as long as you can lift it and don't mind its larger size. Best Compact Jump Starter and Tire Inflator: NOCO Boost Air AX65 Pros Wicked-quick inflation Sturdy construction Reliable jump starts Cons Deceptively heavy Stubby jumper cables Quick to discharge its battery In our test: Despite its weight and a couple flaws, the NOCO Boost Air AX65 will impress you with its versatility and ferociously fast inflation. As you heft the 9.8-pound unit from the box, you'll notice the absence of a carrying case. Instead, there's a dainty velvety drawstring sack. The built-in inflator hose wraps neatly around the unit, and the jumper clamps can be stored separately in the carrying sack and plugged in when necessary. Also in the box is a 24-inch USB-C charging cable, a needle adapter, Presta valve adapter, and an inflatable toy adapter. Finally, there's a built-in 100-lumen LED work light. NOCO claims the Boost Air AX65 can deliver 2,000 amps to a dead battery during a jump start. When I connected the AX65 to our AutoMeter BVA-34 Battery Load Tester, I observed an output of 371 amps. While not anywhere close to the peak amperage on the box, this is more than sufficient to jumpstart a modern car, truck, or SUV. Next, I charged up the NOCO using the 24-inch USB-C cord (and my own wall adapter because that's not included) and simulated the power draw of a traditional jump start. The NOCO Boost Air AX65 had enough juice for five jump starts before the device showed a heat fault and a low-battery warning. When the unit cooled down from this test, enough power remained to jumpstart the 2017 Jeep Wrangler sitting dormant in my garage. Finally, I again recharged the NOCO and clamped it to the incredibly dead battery of my 1986 M1028 CUCV. It is challenging to arrange the short cables while clamping to the battery terminals without the device itself tumbling into the depths of the engine bay. Once connected, the NOCO cranked the 6.2-liter diesel over several times but did not start the truck. The NOCO Boost Air AX65 blew away the competition in my inflation tests. The mighty machine took a 33-inch tire from empty to 35 psi in 5 minutes and 30 seconds, breaking a record held by the Viair 88P (from my best tire inflator comparison). It also needed 1 minute and 53 seconds to take a slightly deflated 25-psi tire up to 35 psi, the quickest time out of all the inflator and jump starter combos I tested. The NOCO also had no issue filling a tire (or in my case, a 5-gallon air tank) up to 80 psi to simulate a high-pressure truck or bicycle tire. While I can't discredit the speed of the NOCO Boost Air AX65, let's hope you only have two slightly flat tires to top off—because the 32-watt-hour lithium-ion battery only made it halfway through the third tire. Bottom Line: The NOCO Boost Air AX65 is a potent jump starter and lightning-quick tire inflator with a dazzling LED work light and on-the-go USB power. We just wish they could pack more energy into its battery. Other Tire Inflators I Tested DeWalt DXAEJ14 Portable Power Station Jump Starter and Compressor: Consider this a 'lite' version of the JNCAIR 1700 with a digital screen. Slightly cheaper, a little less powerful, and it has USB ports. Stanley J5C09 Portable Power Station Jump Starter and Compressor: Although it looked promising with a tough design and plenty of features, this device would not hold a charge and could not be tested. Viking Jump Starter and Power Pack with Air Compressor: Following its initial charge-up, I was able to charge one mobile device from the Viking's USB port—once. After that, neither the power port, jumper cables, nor the air compressor showed any signs of life, and testing was aborted. Trekure 10-In-1 Car Battery Jump Starter and Air Compressor: This device delivered the strongest peak amperage of the test but failed almost every inflation exercise, often overheating and producing smoke. Between purchasing it and publishing this story, it has been removed from Amazon. How I Tested the Jump Starter Tire Inflator Combos Each jump starter went through a decathlon of tests to make sure it could inflate tires just as well as it could start vehicles with dead batteries. I tested each product in the garage and in the driveway, using them just like you will. Max Current Test: Check the packaging on these devices and you'll be smothered with extravagant claims of four-digit 'peak amps.' While some might disregard these figures, of course we had to test 'em. We hooked each jump starter to an AutoMeter BVA-34 carbon pile load tester to see how much power we could squeeze out and whether that number matched the claim on the box. We were not surprised when none of the devices matched the alleged peak amp claims. Jump Start Gauntlet: I used the AutoMeter BVA-34 battery tester to simulate the power draw of one jump start and repeated that test until the jump starter's voltage dropped below 9.6V. This gave me an estimate of how many successful jump starts each device can perform on one charge. When the jump starter dropped below 9.6 volts, I hooked each one up to my 2017 Jeep Wrangler to see if the remaining power was enough for one last start. Dead Battery Test: So, your car battery is dead. Like, dead dead. Well, my 1986 Chevy M1028 CUCV has a 6.2-liter diesel engine, two very dead batteries, and hasn't turned over in almost a year. Can any of these jump starters zap some life into this old army truck? If it can make this heavy Chevy power up, I reckon it'll help you out in a pinch. Four-Tire Top-Up Test: Imagine you find all four of your car's tires a little low on air in the morning before work. You need an inflator that can fill all four tires from 25 psi (visibly low on air) to 35 psi (common operating air pressure in a passenger vehicle tire). This testmeasured how quickly these inflators could get you back on the road. We also checked for accuracy at the end using a calibrated air pressure gauge. Flat Tire Test: Uh oh, your day just got worse! There's a completely flat tire standing between you and daycare pickup. Can the inflator get you from empty to full in one session? I timed how long each inflator took to pressurize a tire from 0 psi to 35 psi. Maximum Pressure Test: Finally, I ran each inflator through the high-pressure gauntlet. This test validated that each pump has the muscle to deliver high pressures. While it's unlikely that you'll need to put more than 100 psi into a car tire or pool raft, there are some bicycle tires and heavy-duty pickup truck tires that could require a healthy dose of air pressure. This test involved using each inflator to raise the pressure in a five-gallon air canister from 40 to 80 psi. Test Equipment: I tested these jump starters using both lab equipment and vehicles. The AutoMeter BVA-34 Battery Tester allowed me to measure peak output and perform consistent, repeatable tests across the different units. I also hooked them up to my 2017 Jeep Wrangler (with the battery disconnected) and my 1986 Chevy M1028 CUCV with a very dead battery to experience how they work in the real world. The tire inflators were tested using the 33-inch Goodyear Wrangler Territory MT tires on MotorTrend 's long-term 2024 Chevrolet Colorado ZR2 midsize pickup truck. A Smittybilt valve stem puller was used to deflate the tires, a calibrated Longacre Pro Digital Tire Pressure Gauge verified the accuracy of the built-in gauges, and a Harbor Freight five-gallon air tank was used to test inflators up to 80 psi. Why Trust Us The MotorTrend staff has lifetimesof experience working in and around cars in the garage, at the track, and on every bit of road and trail in between. If we're recommending a product, we take that responsibility seriously—our team picks the best tools for the job, and we take pride in doing the dirty work so you don't have to. We shopped for these jump starter/tire inflator combos and purchased them just like you would to make sure the products we tested are the same units you'll find at the store. You can trust us to bring you the whole story, from every product that started the test to the ones that survived to the finish line. Who Needs a Jump Starter With a Tire Inflator? A jump starter is an insurance policy and, when you need it, a huge time saver. Instead of summoning help from a tow service, you could be back on the road in no time at all if you keep a jump box in your vehicle. Buying a jump starter with an air compressor built in guarantees you'll get use out of the device, since everyone needs to regularly check and top up their tires. Having a good tire inflator in your garage or, even better, in your vehicle makes this routine task easy enough that you won't put it off. A portable pump can also be a godsend if you get a flat. When everything goes sideways, a reliable tire inflator along with some basic tools and know-how can spell the difference between stranded and a minor setback. And who knows, it might not even be you that needs the jump! The person blocking you into the driveway at the next holiday party might need a little boost or air in their tires, too. What to Consider Carry the most versatile and reliable tool that you can afford and store in your vehicle. If cost and storage space are no object, a larger jump starter will have the power for multiple jump starts and the grunt to fill several tires in a hurry. If you need peace of mind that you can recharge and stow in a small space, consider one of the more compact jump starter/inflator combos. FAQ What are signs of a dead car battery? Turning the key and hearing that dreaded clicking sound—instead of your engine starting—is the telltale sign of a dead battery. Other things to watch out for include slow cranking when you attempt to start the vehicle, dim headlights or instrument panel displays, or even the check engine light illuminated on the dash. What does peak amps mean? The peak amperage touted for many portable jump starters can be confusing and misleading because there isn't a universal method for measuring this output. Companies will often inflate this number for marketing purposes. Instead of peak amps, look for 'cranking amps,' which indicates the amperage a device can deliver at 32 degrees Fahrenheit for 30 seconds while maintaining 7.2 volts. Can I recharge a dead car battery? Depending on how severely discharged your battery is, yes. Leaving an interior light on might deplete the battery such that it is hard to start, as will parasitic draw within your vehicle's electrical system, and other complications. Once jump started, a depleted battery can be replenished with the vehicle's alternator as the car runs. You can also attach a battery charger to the battery, but it could take hours before you'll be able to start your vehicle again. Visiting your local auto parts store and having a technician test your battery can give you an idea of your battery's health and whether it needs to be replaced. How often should I replace my battery? Factors like your climate, the type of vehicle, and how the vehicle is used can all affect the lifespan of a battery. Some vehicle owners experience battery problems one or two years into the life of the battery while others might go a decade without issue. On average, you can expect to replace a battery every three to six years, but getting your battery tested can give better insight into the health of your specific battery. How often should I check my tire pressure? At a minimum, you should check your tire pressure monthly. With a tire pressure gauge in your glove box, you can even do this while fueling up. On newer and more expensive vehicles, you might find tire pressure readouts in the instrument cluster or infotainment menus. Don't wait for a light on the dash to top up your tires, though. Many of those systems don't trigger until the tire is 25 percent below (or above) the recommended inflation pressure. You want to catch an improperly inflated tire long before it reaches that point. What pressure do I set my tires to? The answer is usually within an arm's reach of the driver. Open the driver's door, and you should find a sticker on the doorjamb. Some German cars also have a tire pressure sticker on the inside of the fuel filler flap. If in doubt, your owner's manual should have more detailed information. What's the difference between hot and cold tire pressure? Tire pressure increases as the air inside the tire heats up. This can happen due to changing weather or simply driving the vehicle down the road. A tire that's set to the right pressure in a cool garage in the morning could reach excessive pressures if driven through the sweltering heat in the middle of the day. Conversely, if your road trip takes you from the warm garage to the subzero ski slope parking lot, you could notice a drop in your tire pressure. The recommended pressure on the door jamb is meant to be set with the tires cold, which means waiting until the car has been parked for at least three hours. Affiliate Disclosure Our gear reviews often include links to reputable retailers where you can purchase a product. We make every effort to direct you to the best deals. If you purchase a product through a link in our stories, we may earn an affiliate commission, but this doesn't influence our coverage. Some of our reviews include products on which we earn no commission. We know that recommending the best gear at the best price is the only way to earn your trust, and earning that trust is ultimately what's best for MotorTrend.
CNET
3 days ago
- Health
- CNET
Best Cheap Mattresses on Walmart for 2025
A glimpse into one of the large storage spaces at our testing facility. Aly Lopez/CNET CNET's team of sleep experts has spent years testing, reviewing, cutting open and researching beds. Collectively, we've tested well over 300 beds. All the testing happens in our 6,000-square-foot mattress warehouse in Reno, Nevada, which includes two mock bedrooms we use to film our reviews and test beds. Our testing approach to mattresses is very hands-on and involves analyzing a bed's construction, feel and firmness. We make sure every bed gets multiple points of view from our entire team to ensure we're best representing different genders, body types and sleeper needs. Firmness and feel The Mattress Smasher tests the firm side of the Plank Firm mattress. Aly Lopez/CNET The first and arguably most important factor we look for when we test a bed is how it feels and how firm it is. These are some of the most subjective factors in mattress testing. They depend on your body weight or how much pressure you put on the bed. Through the years, we've found that our experience doesn't always match a brand's website. To test firmness, we have every lie on the bed in different positions, compiling the data to compare it to other beds we've tested. We note how it feels on our backs, and pressure points like the shoulders, hips and knees. Once we feel comfortable with our experience with the bed and have recorded our subjective firmness, we pass the bed off to the Mattress Smasher 9000. The MS9k is a proprietary machine built by the CNET Labs team. This gives us an objective numerical value for firmness across every bed we test. Motion isolation I often describe motion isolation as how well a bed dampens movement across the surface, aka, can you feel someone move around next to you? This is a huge factor that couples need to consider when choosing their next bed. To test motion isolation, I would lie on the bed and close my eyes while someone else moved around on the other side of the bed. Then, I'd rate how much I can feel their movement. Testing the motion isolation with a glass of water on the end and flopping around. It passed. Dillon Lopez/CNET Next, we perform the classic water glass test. It involves setting a glass of water on the edge of a bed and rolling toward and away from it. We note how much the water sloshes in the glass. Traditionally, memory foam tends to do the best in this area. Edge support Edge support refers to the strength of the bed's perimeter. This is important for people who sleep on the edge of the bed or have mobility issues that make it difficult to get in and out of bed. To test a bed's edge support, we lie on the edge and measure how much it compresses under our weight. It receives a low score if it feels like we might slide off. Hybrid beds with reinforced edges tend to do the best in this area. Temperature Temperature control is one of the most sought-after features in mattresses. Hot sleepers need cooling tech to ensure their body heat doesn't interrupt their sleep. Unfortunately, there is no threshold that mattresses must reach for a brand to slap a cooling label on a bed. In my experience, only a handful of beds are actually going to move the needle in this area. Most are just marketing. Part of the testing includes removing the mattress cover and analyzing its interior construction and materials. Dillon Lopez/CNET While testing a bed, we rank its cooling and note what cooling features are included in the construction, like a special cover or gel-infused foam layers. Some beds, like Purple, have an interesting construction that helps them sleep temperature-neutral, which is good for hot sleepers, but I don't consider it to be truly cooling. We also test beds in a temperature-controlled room to ensure we're always getting a consistent experience across beds.
