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Nest thermostat owners out in the cold after software update cockup

LDS Silver badge

It should be designed with a "supervisor" that if anything doesn't work as expected, it should set a temperature in an acceptable range (say 18-20°C) and then display a message error and shutdown.

And IMHO all sensors handling critical house functions like heating should undergo proper safety testing before being approved for installations. After all other devices like electrical ones have to.

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