Smart Home & Security
Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian Review (2026): Honest Verdict After Testing
The Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) - Obsidian looks and feels like a premium home upgrade, not just a utility device. The larger display is the first thing you notice, and it makes the thermostat easier to read from across the room without walking over
6 min