Best Smart Thermostats of 2026

Last Updated: January 2026

We compared smart thermostats on learning, room sensors, compatibility, and smart home integration.

Our Top Smart Thermostats

1. Google Nest Learning Thermostat

Learns your schedule and adjusts. Fits Google Home and Nest. Good for Google homes. May need C-wire.

Pros

  • Learning, auto-schedule
  • Google integration

Cons

  • Premium price

2. Ecobee

Room sensors for balanced temp. Works with Alexa, Google, HomeKit. Good for uneven heating.

Pros

  • Room sensors
  • Multi-platform

Cons

  • Sensors add cost

3. Nest Thermostat (Budget)

Lower-cost Nest with scheduling and Google Home. No learning. Best value in Nest line.

Pros

  • Lower price
  • Google Home

Cons

  • No learning

How We Chose

We evaluated install, learning, room sensors, HVAC compatibility, and smart home support.

FAQs

Do I need a C-wire?
Many smart thermostats need a C-wire. Some have adapters. Check compatibility.
Nest or Ecobee?
Nest for Google; Ecobee for room sensors and multi-platform.

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