Thermacell mosquito repeller review: I tested out the insect repellent
THERE’S nothing nicer on a warm night than sitting in the garden enjoying a glass or two with friends and family – then along come the mozzies.
These biting beasties seem to love chomping down as we’re kicking back and chilling in the balmy evening so an efficient repellent system is a must.
The Thermacell Halo Mini is a rechargeable bug buster that works to keep your space – and your body – free from biting insects. They may still venture into your garden, but they’ll not hang around long with this little beauty wafting out its repellent.
It doesn’t matter if I’m in London, sitting on a beach or camping, I’m sure to get bitten and as soon as dusk falls I get eaten alive.
I’ve used all kinds of sprays and though some of them work, I don’t like the feeling of covering my skin in chemicals.
The Thermacell is no spray, no scent and it looks good (for an insect repellent) – a nice bit of new gear for your patio.
Thermacell Halo Mini
Thermacell Halo Mini, £26.97
Pros: Eliminates need for chemical body sprays, easy to use, scent- and mess-free, effective at keeping mosquitos away in a concentrated area, light and transportable
Cons: Protection is not instant, requires expensive refills, can’t be used in enclosed spaces or taken on planes, less effective in windy conditions
Rating: 4/5
Thermacell review: First impressions
Most mosquito repellents I’ve tried fall into two categories: effective-but-yucky chemical sprays that you have to coat over your bare skin (think DEET) and less-effective-but-natural burners, such as citronella-scented candles and oils.
Thermacell sits somewhere in between. The compact and light device is powered by a small butane gas canister and repels insects using mats soaked with a chemical called allethrin. As the device discretely warms (there is no open flame) the repellent is invisibly spread throughout the air, creating a 20m2 protective bubble around you that is meant to keep biting bugs at bay.
I tested my Thermacell on several different occasions in a city garden, sometimes for short periods of just half an hour and once over a full four-hour session.
I found it super easy to use and (drumroll…) I didn’t get bitten the entire time, even with bare legs and arms. Is this success all thanks to the Thermacell? It’s hard to say for certain – it is possible there were fewer mosquitoes about than usual – but the results were promising.
The downside to the Thermacell is that it’s pricey to run. Unlike a spray or candle, you don’t just buy it once and be done with it. There is the initial outlay for the device, and then you need to purchase expensive top-up butane and mats to keep it working. It’s definitely an investment, but then again; how much would you pay to avoid being bitten?
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Thermacell review: full review
Thermacell Halo Mini, £26.97
The Thermacell is light, small and discreet looking – exactly what you want from a subtle device designed to keep biting bugs away.
I found it very easy to use, too. All I had to do was screw the butane cartridge into the base, carefully slip in one of the repellent-soaked mats (wash your hands afterwards), and then twist the bottom base a couple of times to get it going.
You know it’s working because you see a tiny orange glow through a peephole on the device’s side. But otherwise, the Thermacell is silent, scent-free, mess-free and, apart from a very faint curl of warm air as the repellent paper starts to heat and do its job, visible emission-free.
Unlike a powerful body spray, it doesn’t work instantly. Depending on the area and the conditions you’re working in, it takes the Thermacell between 10 and 30 minutes to create its ‘bubble’ and effectively repel mosquitoes and midges.
This requires a certain amount of planning ahead if you really don’t want to get bitten. As someone who only realises it’s mosquito o’clock after I’ve felt the tingle of tiny wings on my skin, I consistently turned it on a few minutes too late. As a result, I’d spend the first 15 minutes of use swatting bugs away, until the Thermacell warmed up. Hopefully, you’re more organised than me.
Theoretically, the Thermacell is highly portable. It’ll be easy to pack for UK camping breaks or road trips to a holiday park abroad. However, because of the butane cartridge, unlike a traditional body spray, you can’t take it on a plane (say, if you’re holidaying in a tropical buggy place).
You also can’t use it in any contained spaces (tents, for example) so you might find that you still need to purchase insect repellent.
Effectiveness
Testing mosquito repellents isn’t an exact science because it’s pretty tricky to create a controlled environment. I can’t be 100% sure whether the fact I wasn’t bitten was down to the Thermacell itself or other conditions in my city garden, like there being fewer mosquitoes around than usual.
But as someone who normally gets bitten in abundance, I was delighted to note that I didn’t receive a single mosquito bite – nor did I feel any buzzing around my bare legs and arms – once the machine had warmed up.
The Thermacell is less effective in certain conditions, such as wind. It’s also difficult to know when you’ve left the protective ‘bubble’, as of course, that’s invisible. To be safe, I found myself positioning the device on the ground right by where I was sitting, though I’m not sure how that would play out if you had, say, a garden party with dozens of guests.
I couldn’t honestly say that the Thermacell was more effective than a powerful body spray. But of the burn options I’ve tried – including citronella candles – it was the most effective. I like that there wasn’t an open flame to worry about, too.
Price
The cost of the Thermacell Halo includes the device itself, plus an initial 12-hour cartridge of butane and three repellent-soaked mats, which combined should also last a total of 12 hours (four hours per mat).
After that, you will need to power the device using refill packs – containing a fresh butane cartridge and three more mats – which cost £10.95 each.
Putting aside the faff of having to remember to purchase these, the price quickly adds up: you are looking at spending £3.65 per four-hour Thermacell session.
You probably won’t be using all your butane and mats in one 12-hour sitting, so you may have to keep track of how long you’ve used each mat in order to avoid wastage.
I found that an issue. The mats are supposed to turn white when they have been fully used up – after about four hours – but I found that they turned much more quickly than that. I became unsure of exactly when they were exhausted, and so out of caution started changing them after around three hours. Not ideal given they are expensive.
Thermacell Halo Mini, £26.97
Thermacell review: the verdict
In my experience, the Thermacell worked a treat. When placing it in the centre of a compact dining area for two people, neither my husband nor I were bitten at all once the device warmed up.
If you want more comprehensive coverage or are moving around a lot in your garden space (say, while hosting a barbecue) you may want to consider buying multiple devices to ensure even protection.
But saying that, you’ll have to consider the cost. At £26.97 initial outlay plus an extra running cost of about 91p per hour (or £3.65 per four hours), some people might prefer to stick to traditional body sprays or cheaper (if less effective) citronella candles.
Where can I buy Thermacell in the UK?
The Thermacell Halo Mini is available from a variety of retailers, so it’s worth browsing the internet to find it at the best price. You may also find it on the high street, especially during the summer, so take a look in homewares stores and larger DIY centres, as well as garden centres.
Online, check out camping stores and outdoors specialists, such as Millets, Rohan, Go Outdoors, Camping and Caravan Direct, Snow & Rock, Cotswold Outdoor and Blacks; also look at retailers who specialise in home and garden, such as Lakeland, and don’t forget the massive multi-product websites, including Amazon and ebay.
Is there an alternative to Thermacell?
There are a number of alternatives to Thermacell from insect repellent you spray onto your body or into the air, to citronella candles you light and place strategically around the garden.
You can also buy more high-tech gear that’s similar to the Thermacell Halo Mini, such as the Nitecore EMR 30 Electronic Insect Repeller. Or you could go for an electric bug catcher, some of which attract insects with their light then zap them or trap them in glue, while others use ultrasonic waves to repel them.
Efficacy can vary according to the area you’re trying to protect and even how tasty mosquitos find you – some people are bitten while others get off scot-free!