“Is compatible with alexa? It works without a.C Wire?”
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Compatible with Alexa? Supposedly, but I have never been able to get Alexa to control my Nest (not Google-Nest) thermostat. Buy a google home mini to use if alexa won't work. About that "c-wire'; My old non-google nest thermostat-E worked without a C wire for several years. I just replaced it with a new google-nest thermostat E a few weeks ago after the wifi transmitter failed, and so far, it is working without the C wire. HOWEVER, I have another residence that I installed the more expensive non-google-nest learning Thermostat and it has never been able to work without the C wire for longer than a week, maybe less. Maybe the newer google-nest branded learning thermostat won't have that problem, but I'm not sure. IF YOU DON'T HAVE A C-WIRE, I STRONGLY SUGGEST YOU BUY A PRODUCT LIKE VENSTAR'S OR HONEYWELL'S "ADD A WIRE" PRODUCT. But I would check your wiring first. I found my furnace had an unused fifth wire in the cable, I just needed to hook it up at both ends.
Sorry, there was a problem. Please try again later.Yes. Nest Thermostat can work with Alexa supported devices. Nest thermostats are also designed to use very little power, and in many cases they can use your system’s heating and cooling wires to get enough consistent power. But sometimes, you may need to connect a common wire (C wire) or power accessory, like the Nest Power Connector, to make your system compatible.
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