Smart Thermostats

A smart thermostat pays for itself differently than any other smart home device: it cuts heating and cooling waste every single day. The best models learn your schedule, sense which rooms are occupied, and nudge temperatures when energy is expensive. The differences that matter in 2027 are practical: whether the thermostat learns or just programs, whether room sensors fix hot and cold spots, and whether it works with your HVAC wiring.

We compared leading thermostats on energy-saving features (learning, geofencing, eco modes), room-level comfort (remote sensors and occupancy), HVAC compatibility (especially C-wire requirements), and ecosystem fit. A thermostat that cannot wire to your system is irrelevant no matter how smart its software.