“Because this has a battery, do you still need electricity running to your furnace?”
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it draws power from your house. i believe the battery is just used for backup - if you try to install the thermostat without any power lines, it will throw an error and will not set up properly. to answer your question: yes, you should have electricity running to the nest thermostat-e. i'm guessing your furnace doesn't necessarily need to have electricity running to it, but it needs to be controllable by your HVAC system to work with the nest. check out the nest website for compatability: https://nest.com/thermostats/nest-thermostat-e/overview/#works/?mode=buy
Sorry, there was a problem. Please try again later.it is going to be hardwired. So you dont have to worry about charging it
Sorry, there was a problem. Please try again later.Sorry for the late info but hope this helps you or perhaps others. Yes, the thermostat needs to be wired including power just like any other thermostat, it's only wireless to the internet/app for control setup. (An exceptional setup could be a smart AC system that connects to wifi with it's own app but that's not typical.) The lithium battery is a rechargeable backup that recharges from the hardwired power to the AC.
Sorry, there was a problem. Please try again later.You would still need to have power in the wiring coming from your furnace in order for the Nest Thermostat E or the Nest Learning Thermostat to work properly. You can check our compatibility widget to see if the Nest Thermostat will work in your home: https://nest.com/thermostats/#works/
Sorry, there was a problem. Please try again later.They say you may not need a traditional C wire and that it may be able to pull power off of one of the other connections. That said you would need at least some electricity at the furnace to run the switch. If you don't have that I am not 100% sure how any thermostat would work
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