I just installed a Nest 1st Gen Thermostat over the weekend and am having the same problem. Set the desired temp to 72 last night and indoor temp was 72 yet still said it would take 20 minutes to reach 72. Here is a screenshot. I keep a little digital thermometer by the bed, it said the room temp was 66 which is very possible because the thermostat is outside my room in the hallway. With the a/c just running and running, my room was freezing! Anyone have advice? I'm already thinking about returning the Nest because it just isn't worth it if my electric bills are going to increase.
Hello, I'm still having the issue, life is busy ya know so have been unable to respond until now.
I've attached a few pics. One with the wiring of my old thermostat, and one with my Nest.
Also attached is a screen shot of the app, showing the indoor temperature as 72, the thermostat set to 73, and my a/c in Cooling mode and going to take 10 minutes to reach 73 degrees...which does not make sense at all if the indoor temp is 72.
I received my first electric bill since installing my Nest and it is 20% higher than it was during same period last year as well as higher than last month which was similar temperature/weather. I live in the South and hot temps have been consistent during summer months year over year, and I checked the price per kilowatt, it is same as it was last summer. Thank you.
