Google Nest Thermostat E (T4000ES) $215.24 + Delivery (Free with Prime) @ Amazon US via AU

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O O on 19/12/2019 - 18:31 amazon.com.au (729 clicks)

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Amazon is running a deal on Nest Thermostat E.

Description

• Frosted Display: Blends into the background and fits into any home. Heat pump is with auxiliary and emergency heat (O/B, AUX)
• Remote Control: Use the Nest app to change the temperature from anywhere – the beach, the office or your bed.
• Energy-Saving Features: Like the Nest Learning Thermostat, the Nest Thermostat E can help you save from day one.
• Home/Away Assist: Turns itself down after you leave, so you don’t waste energy heating or cooling an empty home.
• Energy History: Check the Nest app to see how much energy you use and why.

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• 

  askbargain on 19/12/2019 - 18:34

  +3

  Will it work here?

  Probably not.

  • 

    mouski on 19/12/2019 - 18:42

    Depends on your existing remote. Fair chance it will if you have a C wire, or buy a 24v transformer from Jaycar.

  • 

    lgacb08 on 19/12/2019 - 19:38

    If your system uses 24vdc then it will likely work, the issue is how to pull extra wires out of the board to feed it constant 24v to power the system and charge batteries

• 

  ozy on 19/12/2019 - 18:49

  Blends into the background
  Nope, I have black walls..

• 

  lachyzee on 19/12/2019 - 19:58

  Works fine with my old Brivis buffalo 2-wire system. No extra wiring or plug packs required. I do not have a C-wire. Going strong for 6 months now.

  It does NOT need constant power from C wire, or a plug pack. Completely wrong.

  If you don't have one, it will simply pulse the heating wire every now and then to maintain battery charge.

  • 

    jztilly on 19/12/2019 - 20:14

    +2

    i have the original nest thermostat which i got back in 2012. I had a C wire but it didn't work for whatever reason. so when the other wires were connected, the heater would come on and never turn off.

    i stumbled across the Nest Pro Installer Guide which mentions adding a 220ohm 5W resistor between C and W1 terminals. been running like this since then…

    so if you dont have a C wire, test it out. if it doesn't work, add in a resistor and bobs ya uncle

  • 

    endotherm on 20/12/2019 - 18:09

    This is encouraging. I have a similar unit (20-25yr old house) with a 2 wire system which originally went to a mechanical thermostat (a blob of mercury in a glass tube to connect the switch terminals, mounted on a temperature-sensitive coil that rotated when it expanded/contracted). I replaced it with a battery-powered digital controller, which essentially closes a relay when the sensed temperature drops below the selected temperature. I always thought these smart controllers were too sophisticated to be able to do a simple "sense-temperature-and-close-a-relay" type action.

    Does this sound similar to your setup? I might just pull the trigger if this is the case. I'm mainly interested in controlling it remotely (it's a pain lying in bed upstairs when the controller is downstairs…).

• 

  yanman on 19/12/2019 - 20:51

  -2

  Might be of use to some folks:
  https://www.cmservices.net.au/blog/smart_thermostat/

  • 

    yanman on 02/01/2020 - 10:24

    Down-votes? Did you oxygen thieves even read what it was?