• 1.0 out of 5 stars

    Do NOT buy

    • Written by from Calgary

    We have had two Nests for a year in our new home. They worked fine until November when our main floor Nest started reading incorrect temperatures and blowing cold air whenever the incorrect temperature was higher than the set temp. This Nest was replaced by the company. Now in January in often freezing Alberta our upper floor Nest is doing the exact same thing. I called Nest and they are sending a replacement. To my horror, I was shovelling snow outside yesterday when I walked by my two AC units and saw the upstairs unit was actually running. This now made sense why it was freezing in my house. The problem is, we did not have the AC connected to the Nest for winter, I quickly shut the entire thermostat off and the AC was still running!!!!!! How can this be? I know it is a Nest issue as this happened to both my furnaces within a month of each other. All of this happened after the software update in November.

    We will be at the hardware store today buying two Honeywell units. I really wanted this Nest to work as the concept is fantastic and it also looks amazing in my modern home but holy smokes, this is crazy town. Come on Google, you are going to be seeing legal ramifications if you can't get this fixed fast. I will be getting my furnace and AC units checked to see if any damage has ensued.

    14 of 16 people found this useful

  • 2.0 out of 5 stars

    Always "OFFLINE"

    • Written by from Sacramento

    Don't buy the Nest Thermastat if you think you might be using it as a remote device from your smart phone; trust me the Nest does not work remotely haft the time. It's alway "OFFLINE". There is a serious bug in the system and the developer has not addressed the problem.

    11 of 15 people found this useful

  • 5.0 out of 5 stars

    Nest is wonderful in every way!

    • Written by from Norcross

    I have had the Nest Thermostat for over a year and it has reduced my energy bills in both summer and winter by at least 30% and most of the time much more than that. It is just GREAT! It has set itself and I do nothing any more. If you don't like it, it is because you don't understand it. It's just a great product.

    2 of 8 people found this useful

  • 1.0 out of 5 stars

    WENT DOWN HILL FAST!! DONT BUY!!!

    • Written by from Covington

    Have had the Nest 2nd Gen since the release date and WAS absolutely amazing. App worked great never and problems. Unit was easy to hook up and is great. Heat is set to 70 the heat will kick on at 69 and shut off when it hits 71, so it's not constantly turning on. You can fine tune the temp to around quarter/ halfs without it saying 70.5 or 70.25. It was great!!!! Amazing!! Best thermostate ever!!!
    THEN I DONT KNOW WHAT HAPPEND, TERMASTATE APP WORKED ONLY A QUARTER OF THE TIME. EITHER WOULD SAY OFFLINE OR YOU WOULD CHANGE THE TEMP, CLOSE THE APP THINKING YOU CHANGED IT AND IT DOESNT CHANGE IT. EXTREMLY FUSTRATING BECAUSE I USE THIS DURING WINTER TIME TO FINE TUNE TEMP UPSTAIRS SO MY TODDLERS DONT OVER HEAT OR FREEZE WHILE IAM UPSAIRS AND I DONT NOITICE IT DIDNT CHANGE UNTILL MY BABY MONITOR ALARM GOES OFF BECAUSE ITS TOO HOT AND I HAVE TO RUSH DOWNSTAIRS TURN IT OFF (HAVE TO TURN THE NEST DAIL AND IT CLICKS BUT DOES NOT REACT UNTILL 10 SEC OF TURNING THE DAIL) THEN GO AND OPEN THERE DOORS TO LET OUT HOT AIR. ALSO UNIT SHOULD TURN ON AND DOES NOT AND I TURN THE DAIL TO GET IT TO SHOW TEMP AND TURN ON AND CLICKS BUT DOES NOT REACT UNTILL 10 SEC LATER AND IT JUMPS 10-20 DEG TO THE SET TEMP. ITS LIKE ITS ON SLEEP MODE OR ITS ALWAYS DOWMLOADING OR UPLOADING AND TURNING THE NEST OFF UNTILL YOU FORCE IT TO TURN ON.
    1 YEAR AGO I WOULD HAVE TOLD YOU BEST TERM EVER AND HAVE TOLD FRIENDS THAT ASKED, NOW I WOULD SAY ONE OF THE WORST TERM EVER. SEEMS LIKE AFTER GOOGLE BOUGHT NEST ITS WENT DOWN HILL FAST. IAM REPLACING MINE SOON AND WILL NEVER GO BACK TO NEST, TOO BAD TOO. WAS GOING TO GET A HAND FULLY OF NEST PROTECTS AND AN UPSTAIRS TERM AND DROP CAMS. NO WAY I WOULD EVEN CONSIDER IT, EVEN IF IT WAS ALL FREE!! I AM NOT EVEN GOING TO SELL MY NEST, I COULDNT DO THAT TO ANYONE. IAM GOING TO TAKE A SLEDGE HAMMER TO IT.
    BY THE WAY HAVE LEFT REVIEWS AND ASKED TO BE CONTACT ABOUT THIS MANY TIMES AND STILL NO CONTACTS OR FIXES. AS I SEE BY OTHER REVIEWS ITS NOT JUST A ISOLATED THING.

    11 of 13 people found this useful

  • 1.0 out of 5 stars

    NEST is still a baby

    • Written by from San Francisco

    It's hard I know, but control that excitement and don't buy nest yet. I wanted to love it, and still do want to. However after purchasing and having loads of independent problems, I see a LOT of dissatisfied customers with similar issues and worse. What's more, is their support team is always overloaded, and the replies on Nest.com are totally canned responses. Hold off until there's more competition!

    10 of 12 people found this useful

  • 1.0 out of 5 stars

    AMAZING PRODUCT THAT HAS GONE DOWNHILL IN 7 MONTHS

    • Written by from SODDY DAISY

    I have been a NEST devotee for 3 yrs. We have 2 installed and they worked with amazing performance until about 7 months ago when software upgrades began. Now the app shows OFFLINE randomly, the thermostat is connected through my Airport (all my WIFI stuff is Apple and nearly new) so I have no remote control. Then I have to touch the dial to get it to connect thru the app. What are they thinking?? NEST support has become a little more responsive in the last month, but even after warranty replacements, the two new units act the same. APPLE--you need to pull this product from your stores until NEST PROVES they have fixed these issues. There are HUNDREDS of threads on the NEST community forum, on these reviews, and on public blogs about this horrendous issue. There is no recourse here but to strangle their business. These problems will occur to every one who buys these, it is just a matter of time. Please pull this product until they get this fixed!

    14 of 15 people found this useful

  • 5.0 out of 5 stars

    Great device! Love controls and features

    • Written by from Madras

    I highly recommend this device.

    Makes it easy to setup your own heat AND cooling schedule -- which can be done from your own computer, making it very easy.

    The install process was simple and straight-forward, but it did take two tries for the Nest device to register itself with the manufacturer-so if it fails once, just try it again.

    I've had it running for two weeks now, and just received the first monthly report, where it tells you how much time it spent doing heat and cooling and if your energy provider supports the functionality, the Nest device will provide specifics on energy usage.

    The ability to turn the heat up, before leaving the office, or turn it down away from home when I forget is great, and I'm looking forward to getting more home appliances that will work with the Nest to make my family more safe while reducing costs.

    1 of 5 people found this useful

  • 1.0 out of 5 stars

    Don't buy!

    • Written by from Toronto

    I owned it for a year and a half without issues. After automatic update on the thermostat, battery gets drained which results in your hvac shutting down. In Canada, it's not a good thing when you have kids and outside temperature is -20 Celsius...
    I contacted Nest who could not troubleshoot and solve the problem . They sent replacement unit for free but had same battery issue. There was no work done on furnace or change on internet router, problem was clearly with the product software update. Save your money and buy product that does not look as nice but WORKS, AND IT IS NOT THE NEST.

    11 of 12 people found this useful

  • 1.0 out of 5 stars

    Neat when working...until it doesn't - caution!

    • Written by from Bloomington

    1-year after install the Nest failed.

    Came home on a freezing day to the Air Conditioner being told to run by the thermostat. The Nest could not shut the unit down - on/off = no change - had to turn off the circuit breaker. Their technical support confirmed the base plate had failed and they sent out a new one. The new base plate fixed the issue. Research shows I'm not the only one with this issue.

    This kind of failure can damage property since I live in a state with climate extremes. It's not worth the risk and I'll be getting rid of it.

    12 of 13 people found this useful

  • 1.0 out of 5 stars

    Nest learning thermostat

    • Written by from Bartlett

    Don't bother it's a waste of time it continues to go off line and I cannot run the programs I set
    I believe Honeywell has a better system with half the price

    6 of 9 people found this useful

  • 1.0 out of 5 stars

    horrific technical support, and always offline

    • Written by from Jupiter

    I can't believe how lousy this is, and they have no support, I can't get human on the line, i have no AC and live in FLORIDA, I had to change it back to the old thermostat for the AC to work.
    Its great when it works but down 3 times in 6 months!!!! BRUTAL!!.
    I never had a single issue with my old thermostat in MY LIFE.

    8 of 9 people found this useful

  • 1.0 out of 5 stars

    Very Dissapointed

    • Written by from East Falmouth

    The Nest is a real disappointment to us. It simply tries to be too smart and generally gets everything wrong. The advanced functions like "scheduling" and "away from home" never get it right and it is essentially impossible to just set a temperature have the Nest leave it alone. This company obviously has too many computer programmers and not enough human beings. It certainly does not deserve customers. Awful product.

    10 of 11 people found this useful

  • 5.0 out of 5 stars

    Love it!

    • Written by from Columbus

    I have the Nest Thermostat and five of the 120v Nest Protects installed in my three story townhome. All installed easily and have been working flawlessly. I really like the quality of these products, which make their competitors feel cheap by comparison. All in all, I'm very happy with my purchase and would highly recommend both the Nest Thermostat and Nest Protect.

    1 of 5 people found this useful

  • 1.0 out of 5 stars

    Unstable

    • Written by from Uxbridge

    I normally don't write reviews but this product is so unstable it desires one. After owning my device now for over a year, I can tell you that my device is rarely online, Nest customer support is not helpful and my hydro/heating bills have actually increased from using this product.

    12 of 14 people found this useful

  • 3.0 out of 5 stars

    Works well when it does not go offline!

    • Written by from Silver Spring

    The Nest works well except that it continues to go offline and then you are unable to control it remotely! This is rather annoying and Nest has done nothing to resolve this problem although there is an enitre thread about this on the Nest forum therefore I am not the only person experiencing this problem,

    7 of 8 people found this useful

  • 1.0 out of 5 stars

    Don't bother with this product

    • Written by from Dallas

    The good things - nice design, looks cool, easy to use, common sense user interface.

    Now for the bad things. It does not work! Nest has replaced my thermostat one time. The issues are with its ability to be a smart thermostat. It is not. The away function does not work. While Nest will tell you the software only kicks in during the daytime hours, it decides if you are away at all hours of the day or night. For example, at 6PM, it decides that I am away even though it turned on when I came home. It will also go into away mode every hour or so during the evening. So, if you change the temp at 8PM, by 8:30 it will reset to the temp for away mode. And, every morning when you wake it is in away mode.

    To solve that, I decided to use the "schedule" mode. That does not work either. If you only set a single temp and never touch it again, it works fine. If, however, you ever push the temp up or down slightly, it remembers that and constantly resets itself to the new temp. I can't recall the number of times it resets to 65 in the AM, or resets at other times on its own. It takes several times of over riding the temp to get it to reschedule the right temp.

    Quite simply, this smart thermostat is stupid. I would avoid all their products. While the shifting temp is an inconvenience, I would not trust their smoke or CO detectors.

    8 of 9 people found this useful

  • 1.0 out of 5 stars

    DON'T BOTHER WITH NEST

    • Written by from East Greenwich

    The Nest thermostat looks sleek. Unfortunately it doesn't do what it should. After about 8 calls to Nest (always very pleasant advisers), my thermostat still goes "Offline" without explanation. This means that I cannot control the temperature remotely, which is the whole point of the thing. Save your money and by a much cheaper one at Home Depot.

    8 of 9 people found this useful

  • 2.0 out of 5 stars

    Once a avid backer of Nest. Might be again, if.....

    • Written by from Ramsey

    Had a GEN1 Nest. It did not want to switch to heat in the winter. No problem. Gave it to a friend who loves it. Purchased a GEN2. Wonderful. Does everything I want until now. Not heating properly because ambient temperature states 75 degrees F. Removed Nest module and felt back plate. Warm. Looks like Y1 FET blown. When I removed Y1 wire, FET cooled down. It is less the 20 degrees F here in Minnesota. So my thermostat was running the heat and also trying to activate the A/C. Fortunately at the end of the cooling season, I had removed power from the A/C.
    Now as a test engineer with almost 30 years of experience and also with an engineering physics background I know my way around circuits.
    Nest has a very serious issue with how they dealt with the 24VAC input power. Their circuit is not fault tolerant for the fact that the 24VAC is unregulated and can vary quite a bit depending on input voltage and load conditions. The 24VAC technology was designed when the world was analog and the voltage was used to switch mechanical relays. Nest needs a solution that protects their wonderful implementation. Isolation, solid state relays, an actual power control/condition/switcher. Pick one. Looks like a group of digital engineers approaching problem from digital side with little experience with analog and HVAC. Their competitor is approaching the market from the HVAC side with not as much talent in the digital side.
    Will invest in Nest when they get their power supply situation worked out. This is not a compatibility issue as 24VAC transformers exist on most furnaces. If you do not think you have power spikes, the only way to be certain is to have some type of power conditioning and/or surge protection at the 110V input to the furnace.

    21 of 21 people found this useful

  • 1.0 out of 5 stars

    Awful for Vacation Home

    • Written by from Philadelphia

    Though this thermostat is very cool looking, and the learning feature interesting, it lacks two basic feature that make it terrible for a vacation home.
    First, it does not have a low temperature alert that emails you when the temperature drops below a certain level. This would give you a chance to try to get ahead of freezing pipes.
    Second there is no temperature hold feature. Sometimes I want to just set a temperature and leave it there... The most basic of functions.
    People have been complaining about these issues for the past couple of years on the Nest boards and the complaints are falling on deaf ears.
    Going to try to sell my 2 nests and get Honeywells.

    10 of 12 people found this useful

  • 1.0 out of 5 stars

    Nest is UNRELIABLE

    • Written by from Hauppauge

    STAY AWAY from this product if you intend to use in a weekend house, or any home that isn't occupied everyday. IT is unreliable. The battery keeps going dead. The patches they've sent to fix are worthless. do NOT buy this product. It is TOO unreliable.

    11 of 15 people found this useful