The Best Cooling Mattress Pads & Bed Fans For Hot Nights

bedjet cooling system

It’s not easy to sleep when you can feel sweat trickling down your skin as you lie in the fabric sauna your bed has morphed into.

Temperature is often overlooked as a cause of sleeplessness, but it’s actually one of the key ingredients for a good night’s sleep. Along with the arrival of dusk, a drop in temperature tells your body clock that the day is ending.

If you can control the ambient room temperature, you’ve won half the battle. But if you’re still suffering from overheating, it can help to add some targeted body cooling.

As someone who always sleeps hot, I’ve tried various cooling pads and fans to keep my body temperature at a comfortable level. And in this review, I’ll be discussing the best ones to help make your bedroom the cool sanctuary of rest it should be.

1. BedJet

Best bed cooling system, with a powerful cooling fan


If you need to keep cool throughout the whole night, the BedJet is the most effective bed cooling system I’ve found. You just tap ‘cool’ on the remote or App, and within seconds a cooling stream of air will arrive from the foot of the bed.

You can position it however you like, and on any bed size. Then choose to either have cold air blowing gently over your body, or inside the accompanying hollow top sheet.

I find it a very effective way to cool both you and your bedding, dealing quickly with any unpleasant heat and sweat that gets trapped under your covers.

If you and your partner have different preferences, there’s the additional option of having separate temperature zones, with dual controls for each of you. One can even have heating while the other has cooling, as it does both (it’s actually great in the winter too).

There’s the choice of using either the simple remote control provided or the excellent smartphone App. And the App lets you get very specific about your cooling needs during the night.

You can program it to change temperatures as the night progresses, and turn off at the exact time you’d like. Then automatically turn on again in the morning at a different temperature.

What most impressed me is the huge amount of choice it gives you. Programmable cooling and heating, a wide range of fan speeds, normal and turbo settings, and dual zones. It just does it all, and does it very well.

The main downside is that it’s quite expensive, especially the dual zone version. So if you’re on a budget and just need a little extra cooling at night, one of the options below might be more suitable.

But if you have a serious problem with overheating, the BedJet is my recommended approach to keeping the heat at bay.

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2. SlumberCloud Nacreous Cooling Mattress Pad

Best cooling mattress pad that absorbs body heat

photo of the slumber cloud cooling mattress pad


The nacreous cooling mattress pad by Slumber Cloud attempts to keep you comfortable during the night by absorbing the body heat that builds up between you and the bed.

It works thanks to some clever technology that was originally designed for NASA. It contains a special fabric called Outlast, which is made from thousands of tiny beads called ‘Thermocules’. The beads absorb your body heat, changing from a solid to gel as they do.

Outlast, the company that creates the cooling material, describe the effect like an ice cube in a drink. The ice melts as it absorbs the heat of the drink, keeping it cool for longer. Similarly, the thermocules turn to gel as they take in your heat, helping you stay cool for longer.

I found it works really well compared to other cooling pads I’ve tried. And it’s significantly better than a normal mattress, topper or pad. It helped me feel more comfortable during some unbearably warm summer nights.

However, it’s important to note that it can’t do anything about the room temperature. If your bedroom is very hot, it won’t change that. What it will do though is stop you feeling like you’re lying on top of a radiator.

For me, it’s the best cooling solution in the form of bedding. The BedJet might keep a larger surface area of your body cool with its air stream. But the Slumber Cloud mattress pad is a good option if you want to reduce that unpleasant hot feeling that can build up underneath you during the night.

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3. ChiliPad Cube

Mattress pad water cooling system

photo of the chilipad cube bed cooling system

The ChiliPad Cube tackles the concept of bed cooling in a unique way. Along with the BedJet, it’s one of the few bed cooling products which can handle more serious heat problems.

The most important point is that it can keep you cool all night long, unlike most gel pads and fabric toppers which only work for a few hours.

It works by what’s essentially a water cooling system. It contains semiconductor technology, adjusting the temperature of the water as it flows through the base unit.

You place the mat on your bed, set the temperature you want, and cooled water will flow through the tubes buried inside the mat.

The mat and tubes are well designed so that you don’t feel them underneath you, and are durable enough to last the test of time.

The temperature range means you can use it for cooling or heating, with a range of 60° – 110° Fahrenheit (15.5° – 43° Celsius).

And with dual remote controlled units for larger bed sizes, you and a partner can have the exact temperature you need.

A possible issue for some people might be that it’s quite complicated to set up and maintain. It’s worth bearing in mind that you don’t just plug it in and forget about it.

Another criticism is that although the new models have quieter fans, they do still put out some noise. So if you’re easily disturbed by sound, you might find that an issue.

Overall, the ChiliPad is a clever device, and worth considering if you need something to keep you cool throughout the whole night.

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4. Sleep Better Iso-Cool Mattress Topper

3 inch temperature sensitive memory foam topper with cooling cover

iso-cool mattress topper

The Sleep Better topper and cooling cover is a good option if you want the extra comfort of memory foam, but with a little less heat than memory foam usually brings.

The reality, however, is that if you’re serious about tackling your problem with overheating, sleeping on top of memory foam isn’t the best start!

Memory foam retains your body heat as it molds to your shape, and doesn’t dissipate it so well.

That’s where the cover comes into play in this particular product though. It’s made from a luxurious 300 thread count cotton, with a generous amount of fiber-fill. And it contains the famous Outlast technology.

The Outlast material helps dissipate your body heat by absorbing it into thousands of microbeads. And when you cool down later in the night, it releases the warmth back to you.

It does feel cooler when you first get into bed. And for the first couple of hours, it’s better than sleeping on a normal memory foam topper or mattress.

But as the night goes on, it becomes less effective when your body heat and memory foam below slowly overwhelm the outlast cover. So if you tend to wake in the night in a pool of sweat, you might find it doesn’t quite do enough for you.

But if you only need a little extra cooling, and like memory foam, this 3 inch topper has that lovely ‘sleeping on a cloud’ feel to it. And the cover does help mitigate some of the usual heat.

Overall, it’s a very comfortable mattress topper which adds soft padding to your mattress, and helps regulate your temperature. But if you need serious cooling, memory foam isn’t the way to go about it.

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