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I waited awhile before I reviewed the E so I could get to know it a bit and I'll still need more time because this thermostat is not a one trick pony.
It also is not a techno geek toy. The average person with a standard heat/cool system can have this thermostat functional in less than an hour. If you can accomplish that then you're set to have the E pay for itself within the first year. If you have to hire someone it'll take longer but at least you'll have the satisfaction of knowing you will have reduced your carbon footprint from the moment you turned it on.
I've had set back thermostats for years which were a nightmare to program that I always eventually just abandoned and used manually. This one is self programming so whatever savings are to be had are gotten almost immediately and it'll thrive on weird schedules that no set back t-stat could begin to manage.
The only downside is that Alexa and E don't play well but I put that on Alexa. I can ask Alexa what the temperature is in the hallway (the location of the E) and she'll tell me exactly but I have not found the right combination of words that will result in making a change. The more words Alexa has to hear the more likely you are to say them in a way she won't understand and won't act on. That problem will correct itself in the future with or without Amazon's help and if I'm too lazy to get off my butt I can still do it by phone at 40 feet or four thousand miles.
It's very functional and just a little bit geeky. I expect the E to be far more popular than it's big brother.
I consider this a blue collar thermostat. Hard working and not pretentious.
9-22-17 update I've gotten two responses to my 'command' complaint. There are examples of phrases that do work but I found on my own a simpler way. When I told Alexa to "Set hallway to 72 degrees" she complied and responded "AC set to 72" so I used that as a command and it worked so now I just say "Set AC to **". Obviously that won't work if you have multiple thermostats but I don't expect the E to be put in homes big enough to require more than one heat/cool unit. The support literature is extensive so it takes a lot of interaction to expose it all. I only found the command examples because I was told they were there so I refused to quit until I found them.
Edit 2021: I added a star. Absolutely flawless after 3 years.
| Brand | |
|---|---|
| Model Name | Nest Thermostat E |
| Controller Type | Nexia, Google Assistant, Insteon, Amazon Alexa, nest |
| Color | White |
| Included Components | Display, Base, Optional trim plate, Mounting screws and labels, Installation Guide, Pro installation card |
| Power Source | Battery Powered |
| Item Weight | 12.8 ounces |
| Material | Plastic |
| Shape | Round |
| Display Type | Digital |
| Finish Type | Unfinished |
| Control Method | Voice |
| Connectivity Protocol | Bluetooth, Wi-Fi |
| Style | Thermostat Only |
| Backlight | Yes |
| Number of Batteries | 1 AA batteries required. (included) |
| Manufacturer | |
| Part Number | T4000ES |
| Product Dimensions | 6.46 x 4.88 x 2.32 inches |
| Item model number | T4000ES |
| Batteries | 1 AA batteries required. (included) |
| Is Discontinued By Manufacturer | No |
| Size | 1 |
| Finish | Unfinished |
| Item Package Quantity | 1 |
| Batteries Included? | Yes |
| Batteries Required? | No |
| Battery Cell Type | Lithium Ion |
