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Eco nest thermostat

Community Member

I only can use the thermostat, do not have app.  I cannot get my air conditioner to run….. Help


Platinum Product Expert
Platinum Product Expert

@Ljw ,

If your thermostat is registered to a Nest ID Account, you will have difficulty with using your Nest Thermostat. You can check to see if it is linked to an account, on the thermostat, wake it up, go to SETTINGS, then NEST APP. If is says “Connected” you need the smartphone with the app installed p. The account the thermostat is connected to is the only account that can manage the thermostat.

If the Nest Thermostat is not locked by a PIN, you can go into SETTINGS and disable ECO, HOME and AWAY, and set your desired temperature.  

AC Cooling Wizard

NestPro, Google Pro, Mechanical Engineer and HVAC service company owner. If my answer solved your problem, click Recommend this Answer below, and If it helped you, please give a Kudo.