Nest Shield evaluate: a smoke detector for the smartphone era

Nest Protect review: a smoke detector for the smartphone generation

Again in 2011, Nest did the inconceivable: It made thermostats attractive. Apple veterans Tony Fadell and Matt Rogers utilized their iPod-designing experience to the largely utilitarian world of residence-local weather management, creating the Studying Thermostat, an equipment aimed squarely on the gadget-obsessed residents of the smartphone age. After which, earlier this yr, Fadell and Rogers took on one other historically banal (however completely necessary) facet of house life: the smoke detector. The self-esteem of the Nest Shield was to convey a few of the similar aesthetics and sensible options that made the corporate’s first product a hit.

The result’s a smoke/carbon monoxide detector with cellular gadget connectivity and a variety of expressions that go far past the previous beeping alarms, in addition to a singular gesture function that allows you to silence the system with the wave of a hand. Admittedly bummed on the lack of ability to check the Studying Thermostat in my prewar New York Metropolis condominium constructing, I fortunately jumped on the alternative to evaluate the Shield. So Nest despatched alongside two units, a can of one thing referred to as a “smoke detector tester” and, fortunately, thorough directions on how one goes about testing smoke detectors with out by accident burning the home down.

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Nest Shield evaluation

eighty five



  • Distant management by way of a cellular app
  • Intelligent makes use of of colour notifications
  • Glossy design


  • Costly for a smoke detector


The Shield brings loads of innovation to the staid world of smoke detectors, however the $ninety nine worth might be too steep for many individuals to swallow.


Nest Protect review: a smoke detector for the smartphone generation

Given Nest’s origins, it isn’t particularly shocking that the corporate managed to make even the product’s field a factor to behold. The message is fairly clear: If Apple ever noticed match to supply a smoke detector, it might look one thing like this. It is a nicely-designed little bit of packaging that appears extra fitted to a Greatest Purchase merchandising machine than a dusty ironmongery shop shelf. Inside, you will discover a wall mount, a set of 4 screws embedded immediately into the cardboard packaging and an terrible lot of paperwork — in any case, ensuring the system works correctly could possibly be a matter of life or dying. As for the Shield itself, you’ve got acquired two choices, each on the similar worth level: a battery-operated mannequin, and a wired model for many who need to faucet into their house circuitry. Seeing as how I will not be utilizing the detector completely, I opted for the previous, which comes with six AA Energizer Lithiums pre-put in.

Nest Protect review: a smoke detector for the smartphone generation

Like most present smartphones, the Shield is available in both black or white. Nest despatched me two white units, fortunately — much better for mixing in on my condo partitions. Maybe a few of you prepared to drop $ninety nine on this kind of product need to make the factor as conspicuous as attainable, however personally, I might favor to not have to debate my smoke detector with everybody who visits my condominium (that is what document collections, bookshelves and stuffed grizzlies are for). With that in thoughts, it isn’t shocking that the Shield has a a lot subtler aesthetic than the corporate’s first gadget, although it is nonetheless unquestionably a a lot nicer object than the overwhelming majority of smoke detectors I’ve encountered.

The Apple connection is fairly clear right here, proper out of the field. With the clear strains and rounded corners, a fast take a look at the Shield’s profile invitations comparisons to a flattened Mac mini or Apple TV. The entrance of the system, in the meantime, is nearly all grille — that is, in any case, a product designed to wake you from deep sleep a few rooms away. An enormous, round button sporting a Nest emblem sits in the midst of the dotted plastic face. Cellular units apart, this button can be your main technique for interacting with the Shield. You will press it a number of occasions throughout setup, any time you need to check the detector and if you need to quiet the alarm.

Nest Protect review: a smoke detector for the smartphone generation

There is a skinny circle within the button, with faint, mild grey textual content so befuddled houseguests know they’re taking a look at a smoke and carbon monoxide detector. On this spot, you will additionally see the sunshine that emanates from behind the button, forming a glowing ring within the middle of the smoke detector. That is how the Shield manages to speak with out all the time making noise. Nest opted to not embrace a show, possible since you will not end up bodily interacting with a smoke detector almost as typically as a thermostat. The overwhelming majority of the time, there isn’t any mild on in any respect, permitting it to mix in with its environment and preserve battery life.

Nonetheless, the sunshine is fairly expressive. Through the setup course of and testing, it turns blue, letting you already know it is working and related. If you flip off the lights at night time, it glows inexperienced for a second to let you recognize the whole lot is all proper with the sensors and batteries (if there’s a problem, it’s going to flip yellow and inform you what the matter is if you wave your hand in entrance of it). And when you so select in the course of the setup course of, the pathlight will mild up when it detects movement in the dead of night, a type of beacon that will help you navigate your means by means of a pitch-black room. The sunshine turns yellow as an early warning signal of an issue and pink when it is time to sound the alarm.

Nest Protect review: a smoke detector for the smartphone generation

On the again of the Shield, you will discover detailed explanations about every of the sunshine colours and the usual warnings that include a product like this. There is a micro-USB port within the center for “inner use solely,” in response to Nest, and holes for attaching it to the wall dock, a course of that simply requires a easy twist. On the backside are two screws you will have to take out to take away the again whereas altering the batteries. Once you first take the Shield out of the field, you will additionally spot a light-weight blue tag coming out the again — this ensures that the batteries aren’t in earlier than you are prepared for them. You will have to yank that out to get began.


Nest Protect review: a smoke detector for the smartphone generation

Pull out the tab and press the button and the Shield will say, “Hello.” The smoke detector has a mushy-spoken, female voice, the kind of unusually calming robotic presence you want guiding you in a time of emergency. The voice follows the greeting by asking you to decide on whether or not you want her to talk in Spanish or English. Subsequent up, you will be prompted to check the Shield, to ensure issues are all proper. “The alarm will sound,” she explains. “The alarm is loud.” She ain’t mendacity. It is grating, ear-piercing and strikingly loud, and you will hear a complete of six beeps because the Shield checks the smoke after which carbon monoxide sensors. It is annoying whenever you’re testing the factor, positive, however in terms of smoke alarms, loud is sweet. “The check is completed,” she provides, calm as ever. And, if all goes in accordance with plan, “every thing is okay.”

Now it is time to obtain the app. Forward of Shield’s launch, the corporate issued an app that screens each its thermostats and smoke detectors, obtainable for iOS and Android. Create an account by means of Nest’s website (should you do not have already got one); use your handset to scan the QR code on the Shield’s again (or manually enter a key, when you’re so inclined); and the app will take you thru a easy strategy of connecting it to your wi-fi community. In the event you’ve ever related something like a Chromecast to your own home WiFi, this ought to be a well-known course of, although I did need to repeat it a couple of occasions as all the things tried to attach. I spoke to a Nest rep, and the corporate’s unsure what occurred there, however the issue resolved itself earlier than I needed to pull my hair out. If you’re carried out, the voice will inform you that she’s “related to the web” and every part’s able to go. For those who’ve obtained a second Shield, you will be prompted to attach that, as nicely. It is a comparable course of, albeit barely shorter with some redundant steps eliminated.

Subsequent, it is time to take the previous smoke detector off the wall — although the corporate prompt I not truly do this in my testing, because the assessment models weren’t fairly ultimate. This a part of the method is of course a bit extra concerned, do you have to go for the wired model. In accordance with the included directions, the ceiling is one of the best place your Shield — or, failing that, excessive up on a wall. In both case, it is best to keep away from obscuring any fringe of the detector with a decent nook. As soon as you’ve got discovered the proper spot, screw the backplate into the wall and snap the Shield in place.


Nest Protect review: a smoke detector for the smartphone generation

And now the enjoyable(?) half. If the beeping throughout setup did not set off the neighbors, I assumed the testing would. Nobody got here knocking, nevertheless, which ought to offer you some concept of how a lot you possibly can rely on the individuals in your constructing in case of emergency. Good factor I’ve 4 smoke detectors in my condominium in the intervening time. Nest outfitted me with the Smoke Sabre, a smoke-detector tester in an aerosol can. With a spritz (or with precise smoke or carbon monoxide, naturally), the ring of sunshine will flip yellow, alerting you that one thing is up. The Shield provides you a window of some seconds in yellow, dimming barely when it spots you, letting you realize that you simply’re within the candy spot and may reset the alarm with a faucet of the middle button wave — simply as you may wave away the smoke when overcooking one thing on the range. The thought is to cease false alarms earlier than they begin — so in the event you’re within the kitchen and one thing begins smoking, you do not have to cope with emergency alerts throughout a non-emergency.

I had a little bit of hassle getting the gesture-based mostly override to work through the trial, regardless of some frantic waving. I contacted Nest concerning the challenge, and a rep informed me that, on account of federal laws, there are two variations of the alarm. The much less critical of the 2 could be overridden by the consumer. The opposite simply goes straight to alarm. Apparently I have been hitting the previous Smoke Sabre a bit of too arduous. The upside, nevertheless, is that I obtained to see the Nest spring into motion (the draw back, naturally, is that I received to listen to it, too). This, it seems, is why you put in that app — just like the smoke detector itself, it should sit round idly for almost all of the time, a delicate reminder that every part is copacetic.

Nest Protect review: a smoke detector for the smartphone generation

When the Shield encounters a problem, nevertheless, you will get a push notification in your cellular system (an optionally available, however extremely advisable function). The usually inexperienced ring within the middle of the app will flip pink, together with a fast indicator of what is improper (on this case: “Smoke”). Faucet on that and you will get a breakdown of your alarms’ statuses — e.g., “Smoke” for the eating room and “All Clear” for the kitchen. Faucet via to notes and the app provides you a full breakdown of what occurred — at four:forty seven PM: “There’s smoke. The alarm is sounding.” I used to be ultimately capable of hush the sound by hitting the button, and the timeline mentions that as properly. On the prime of the web page is a “What to Do” word, together with the standard cease, drop and roll directions (which you hopefully need not decide up a smartphone to recollect). There’s additionally an enormous purple button on the backside for dialing 911.

Wrap up

Nest Protect review: a smoke detector for the smartphone generation

I am going to admit it has been some time since I have been out there for a smoke detector. A cursory scan of Amazon, nevertheless, signifies a mean worth between $10 and $30, with combo smoke/carbon monoxide detectors touchdown on the larger finish of that spectrum. In both case, it is a vary the $ninety nine Shield misses by a rustic mile. In fact, this is not simply any smoke detector. Just like the Studying Thermostat earlier than it, it’s kind of of house electronics aimed toward gadget nerds, and positively Nest has managed to do rather a lot in an in any other case staid class.

It is a pretty object, as far as this stuff go, and its expressive middle lighting and voice instructions supply much more than the usual collection of beeps: alerting you to emergencies, low batteries and even lighting your method at night time. The button-based mostly hush can save your eardrums and the smartphone alerts might nicely avoid wasting lives. For many, nevertheless, commonplace smoke detectors will doubtless nonetheless do the trick. Regardless that sure gadget idiosyncrasies could be a problem, $ninety nine nonetheless looks like quite a bit to pay, given the business common. And for these dwelling in bigger houses, it is a worth that’ll add up quick.

Replace: On the time of this evaluation the Nest Shield featured the Nest Wave gesture-based mostly controls, permitting the consumer to show off the alarm with a wave. On April third, 2014, Nest introduced a voluntary recall of all Shield models after the corporate discovered that it was potential to by accident activate the Nest Wave function, inflicting the detector to delay reporting a fireplace. In mild of this, we withdrew our Engadget Rating and suggestion till the issue was resolved. Nest resumed promoting Shield units on June sixteen, 2014, with the gesture-based mostly controls shut off as default. Present Nest Shield customers ought to have acquired an over-the-air software program replace to their units disabling the Nest Wave function. In mild of this and the a brand new lower cost of $ninety nine, we now have revised this evaluation and reissued the Engadget Rating.

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<a href=””> Nest Shield </a>

  • Key specs
  • <a href=”” title=”Nest Shield evaluations” goal=”_blank”> Critiques 2 </a>
  • Costs
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  • Launched 2013-eleven
  • Worth $129 USD
  • Colours Black, White

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10common consumer score
  • Design and type issue 10
  • Ease of use 10

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