Google Home Hardware Smart Home

Why is my Google Nest Thermostat schedule wrong?

Google Nest thermostat displaying at 63
Too hot? The Nest Thermostat has accuracy issues

If you’re the proud owner of a Google Nest Thermostat (or even an unhappy one), you may find that your heating schedule is inconsistent. Sign into the Nest app and it says one thing, sign into the web interface and it’s something else. Why and which one is correct? We’ll help you understand why your Google Nest Thermostat schedule is wrong and how to fix it.

Google Nest Thermostat: two interfaces, two results

The best way to demonstrate the issue is to give a real example. Here is my very own Nest schedule, as shown in the mobile app:

If I sign into their web interface (home.nest.com), I get a different set of figures:

Spot the difference! Yes, a number of the temperatures are out by 0.5°C and not consistently so.

Google Nest Thermostat: which interface is correct?

Google hasn’t given an answer on why this occurs – it’s been a “feature” for years – but it’s generally accepted that the app is correct, as you’ll find your thermostat will switch to the temperatures shown on that.

If you set your schedule on the web interface, you’ll find the reverse is true, with the app now showing small differences in temperature.

Your best bet, then, is to ignore the schedule on the web and stick to setting your desired temperatures in the app.

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About the author

David Artiss

Works for Automattic Inc., the company behind WordPress.com and Tumblr. Tech geek, international speaker and occasional PC Pro podcaster. Lover of Lego and video games.

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