Cool Air, Exactly Where You Need It. In Seconds. No Installation.
CoolJet is a personal cooling device that sends a stream of cool, misted air right at you — at your desk, your bedside, anywhere. No fitted units, no landlord permission, no engineer visits. Just fill the tank, switch on, and feel the difference.
- 30-day guarantee
- 75,000+ customers
- Secure checkout
Summer in the UK shouldn't feel like this
Another night tossing and turning because the bedroom just won't cool down.
A home office that turns into a greenhouse by 2pm every afternoon.
A landlord — or a lease — that won't allow a fitted air conditioning unit.
Standing fans that just push the same hot air around the room.
Portable AC units that cost hundreds, need a hose out the window, and still leave the room stuffy.
Electricity bills that spike the moment the heatwave hits.
Your own personal cool-down zone
CoolJet is a compact personal air cooler. A quiet fan pulls air through a fine, cooling water mist and sends a stream of cooler, refreshed air straight at you — the same natural cooling effect as a breeze off cold water, packaged into a device you can charge from any USB port.
Worth knowing up front: CoolJet cools your immediate personal space — your desk, your side of the bed, your spot on the sofa — rather than an entire room the way a fitted, compressor-based air conditioner does. That's exactly what makes it possible to run with no installation, no external unit and a fraction of the running cost.
Three steps. No tools, no engineer.
Fill the tank
Add cold water — or ice, for an even stronger effect — to the refillable tank. One fill lasts up to 8 hours.
Choose your setting
Pick your fan speed and mist level, and set the built-in timer for 1–8 hours if you want it to switch off on its own.
Feel it in seconds
A stream of cool, refreshed air reaches you almost immediately — no waiting, no installation, ever.
Built for real UK summers
Every feature is designed to solve a specific problem — not just look good in a photo.
Multiple fan speeds
From a gentle breeze to full power — adjust to exactly how much cooling you need.
Cooling mist technology
A fine water mist blends into the airflow for a noticeably cooler, fresher feel than a plain fan.
USB-C powered
Runs from a laptop, power bank or wall adapter — cordless enough to take anywhere.
Built-in timer
Set 1 to 8 hours and let it switch itself off — ideal for falling asleep without a second thought.
Ambient mood lighting
Soft, colour-changing light for a calmer room, or switch it off entirely.
Whisper-quiet on low
Low settings are designed to stay in the background — comfortable enough for bedside use.
1.1kg and fully portable
Light enough to move from the office to the bedroom to the garden in one hand.
No filters to buy
No cartridges or replacement parts — just rinse the tank between uses.
CoolJet vs. the alternatives
| CoolJet | Fitted / window AC | Standing fan | |
|---|---|---|---|
| Installation | None — plug & play | Professional fitting, often a wait | None |
| Upfront cost | From £54.95 | Typically £300–£800+ | £20–£60 |
| Running cost | Low — USB powered | High | Low |
| Portability | Fully portable, 1.1kg | Fixed in place | Limited |
| Adds a cooling mist | Yes | No | No |
| Landlord / lease friendly | Yes | Often not | Yes |
| Coverage | Your personal space | Whole room | Air movement only, no real cooling |
Choose your package
The more you bundle, the more you save per unit — most households order two or more.
You'll confirm your exact package securely at checkout · 30-day money-back guarantee
What CoolJet owners are saying
"Working from home in our converted loft was unbearable by mid-afternoon. CoolJet sits on my desk and I finally get through the day without melting. Wish I'd bought it in May."
"I set the timer for two hours and it sees me off to sleep every night without fail. So much quieter than I expected, and the tank is easy to top up before bed."
"Renting means I can't fit anything permanent, so this was the obvious choice. It moves between my desk and the living room in seconds and it's genuinely made the flat liveable."
"Took it away in the campervan and just ran it off a power bank all weekend. Small enough to tuck anywhere and it made a real difference in the evenings."
Try CoolJet risk-free for 30 days
If CoolJet isn't right for you, you're covered by the official 30-Day Money-Back Guarantee — full terms are shown at checkout before you pay.
Frequently asked questions
Will CoolJet cool my entire room? +
CoolJet is built for personal cooling rather than whole-room air conditioning — think of it as your own cool-down zone at a desk, bedside or sofa. It works best within a few feet of you. For that reason it's ideal alongside your existing setup, or on its own anywhere a fitted AC unit isn't possible.
How loud is it? +
On lower settings, CoolJet is designed to stay quiet enough for bedside use overnight. Higher speeds move more air and are naturally more noticeable — most owners use a lower setting for sleeping and a higher one at a desk.
Can I add ice for extra cooling? +
Yes — adding ice or chilled water to the tank enhances the cooling effect for an even stronger burst of cool air.
Is it safe to leave running overnight? +
Yes. CoolJet includes a built-in timer you can set anywhere from 1 to 8 hours, so it can switch itself off automatically once you're asleep.
Does the water tank need refilling often? +
A full tank typically runs for up to 8 hours depending on your fan speed. Simply empty and rinse it between uses to keep it fresh.
Do I need to buy filters or replacement parts? +
No. There are no cartridges or filters to replace — just rinse the tank periodically for the best performance.
How is CoolJet delivered, and how do I track my order? +
Orders are processed through the official secure checkout, which will confirm delivery timing to your address and provide tracking details by email once your order has been dispatched.
What if I'm not happy with it? +
You're covered by the 30-Day Money-Back Guarantee. Full terms and the returns process are shown clearly at checkout before you complete your purchase.
Is checkout secure? +
Yes — your order is placed through an encrypted, secure checkout page. Card details are never visible to or stored by this page.
Ready For Your Own Cool-Down Zone?
Join 75,000+ customers who stopped waiting for a heatwave to end and started doing something about it.