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EFOS E1 Review

EFOS E1 with HEET inserted

A few weeks ago we looked at the iBuddy i1, a new Heat not Burn device from China that uses the same Heets as Philip Morris’s iQOS. At the time I thought this was a sensible decision for iBuddy, as it saved them having to develop and distribute their own stick design. I also didn’t think PMI would mind too much; they might miss out on a few iQOS sales, but everyone who buys an iBuddy will need to get Heets for it, and PMI are the only people who sell them.

More recently I was sent another Chinese device that’s also designed to work with Heets; this is the EFOS E1, and I’ve spent the last week running several packs of Heets through it. How did it compare to the iBuddy and iQOS? That’s what I wanted to find out – and now I know.

EFOS E1 box

 

Unboxing

The EFOS is, as I’ve come to expect, nicely packaged. The box has an outer sleeve, and once that’s been slid off the top flap hinges open to reveal the device sitting in the usual moulded plastic tray. That lifts out to reveal an instruction manual and, under it, another tray containing a USB cable and a cloth carrying bag for the device. It’s all nicely presented and gives the feel of a quality product.

The quality of the device itself isn’t bad either. The body is plastic, lozenge-shaped and fits nicely in the hand. On each long edge is a black plastic insert; one has four LEDs to show the charge status, and the other is helpfully printed with some basic information about the E1, including its battery capacity – 2,000mAh, in case you’re interested.

At the top you’ll find the only controls – a large button with an illuminated surround, and a sliding cover that can be pushed up to reveal the heating chamber. The heating chamber is interesting; instead of the iQOS’s blade, or the spike of the iBuddy, this is simply a metal chamber with perforated walls and base. It’s also set at an angle. When a Heet is inserted it’s sticking up about 30 degrees off the vertical, which looks a little surprising at first.

EFOS E1 opened box

Overall the EFOS feels well put together for the $60 price. It is mostly plastic, but it seems robust enough and I didn’t manage to break anything while getting through four packs of Heets. The supplied accessories are good quality too, but it’s a pity no cleaning equipment was supplied – to keep it running properly, it’s probably a good idea to clean the heating chamber at least once in every pack of Heets.

 

Trying it out

My EFOS arrived with the battery about half charged, so the first thing I did was plug it in and top it up. This took a pleasantly short amount of time – just over an hour passed before all four LEDs were glowing steadily. Once that was done I opened a pack of Heets, loaded one into the chamber and then, after some initial embarrassment, flicked through the instruction leaflet to figure out how it works.

The other HnB devices I’ve tried so far are switched on by holding the button until it buzzes or flashes at you. The EFOS is slightly different; it takes three rapid presses to activate it. Once you’ve done that it will buzz and vibrate slightly, and the green LED surround of the button begins flashing. Then all you have to do is wait for it to heat up.

Waiting is never my favourite pastime, and I have to admit I was getting a little impatient by the time 30 seconds had passed. It vibrated again not long after that, though, and I took that as a signal that it was ready to use (which it was). So I took a puff, and it was a bit of a surprise.

EFOS E1 unitFirstly I should say that the angled heating chamber is a great idea; it puts the Heet’s filter in a very natural position to vape. Next, the first puff I took was the best I’ve had from any HnB device I’ve tried so far. It was almost exactly like smoking a cigarette, with plenty of warm, well-flavoured vapour. It continued well for about the next eight or nine puffs, and then both flavour and vapour started to fall off sharply. The device will let you take up to 20 puffs from each Heet, vibrating again to warn you after the 18th; if you’re puffing slowly it will vibrate after five and a half minutes, and shut down in just under six. Personally, I think it would be better to limit it to ten or twelve puffs; 20 is just too much for a Heet.

This is just a minor issue, though. A bigger problem might be that the EFOS itself is too much for a Heet. When I took the first one out the chamber and looked at the end I was startled at how black the filling was. On closer examination this didn’t extend all the way up through the rolled tobacco sheet, but the tip of it – where it’s in contact with the heated base of the chamber – was pretty charred. I got a definite impression that the EFOS was great at the “Heat” part, but falling down slightly on the “not Burn” bit.

Some more flicking through the instruction manual revealed that it actually has two temperature modes, and I was running it in the (recommended) high temperature one. I changed to low temperature for a few Heets, by holding the button for three seconds while I waited for it to heat up, but found that performance fell off quite a lot. I did get more puffs from each Heet, but they much less satisfying.

 

Conclusion

The EFOS E1 is a very interesting device, and on high temperature mode it gives a great tobacco vape. Battery life is reasonable but not great; you’ll probably need to top it up after about ten Heets, and unlike iQOS it doesn’t come with a personal charger. The iBuddy i1, despite having a smaller battery capacity (1,800mAh) kept going for much longer between charges.

My real concern with the EFOS, however, is that I have a nasty suspicion the high temperature mode is burning some of the tobacco. That would certainly explain the great flavour, but it might defeat the purpose of using it in the first place. I still doubt it’s anywhere near as harmful as a lit cigarette, but if health is your top priority you might be tempted to go for an iQOS instead.

Blackened HEET
The end of this Heet looks suspiciously blackened…

 

 

 

 

 

 

 

 

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