That sleek new thermostat might be fighting your house, not helping it.

Suzanne has over seven years of experience researching, testing, writing, and editing articles about all kinds of tech, from smart home gadgets and EVs, to Android apps and nerdy media. She graduated ...

Offline performance: During internet outages, smart thermostats still control temperature locally, but remote access, voice commands, and cloud-based features pause until connectivity returns.