
ecobee Smart Thermostat Premium
Score: 86/100
Google Nest Learning Thermostat
Score: 87/100Rankings

The Nest Learning Thermostat 4th gen offers advanced learning algorithms, a large high-resolution touchscreen, and broad Matter and voice-assistant integration. Its premium price and single-zone limitation are notable trade-offs. Best suited for users who want a hands-off, feature-rich thermostat within the Google ecosystem.

Ecobee Smart Thermostat Premium combines a 4-inch high-resolution touchscreen with built-in air-quality monitoring, smoke detection, and SmartSensor room control. It demands a C-wire (or Power Extender Kit) and carries a higher price point. It excels for users desiring premium features and robust performance.
| Attribute | ![]() | ![]() |
|---|---|---|
0.5 °Cbest | — | |
3 yearsbest | — | |
4 inchbest | 2.68 inch | |
| ↓ lower better | 0.249 kg | 0.162 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
HVAC Compatibility | 24V | Up to 3 heating stages, 2 cooling stages, heat pump with auxiliary and emergency heat |
Connectivity(1) | ||
Smart Home Integration | Siri, Alexa, Google Assistant | Matter, Google Home, Amazon Alexa |
Power & Installation(2) | ||
C‑Wire Requirement | true | false |
Power Source | C‑wire | HVAC system wiring with rechargeable lithium battery |
Display(3) | ||
Display Type | Touchscreen | Circular touchscreen |
Screen Size (inch) | 4 inch | 2.68 inch |
Resolution | 540 x 540 pixels | 600x600 |
Build & Design(2) | ||
Device Weight (kg) | 0.249 kg | 0.162 kg |
Device Dimensions (H×W×D) (mm) | 103.9×103.9×25.9 mm mm | 3.9x3.9x1.1 mm |

Products in the top-left offer the best value (high score, low price).

The Nest Learning Thermostat (4th gen) is Google's flagship smart thermostat featuring a 60% larger circular touchscreen, built-in machine-learning that auto-adjusts schedules, and seamless integration with Google Home, Matter, and Alexa for remote and voice control.
60% larger 2.7-inch circular touchscreen provides clearer readout from across the room; Dynamic Farsight automatically brightens the display for visibility and can be manually overridden; Built-in machine-learning adapts heating and cooling schedules to occupants' habits without manual programming; Auto-Away mode detects when the home is empty and adjusts temperature to save energy; Integrated Wi-Fi and Matter support enables remote control via Google Home app, voice assistants, and other smart-home ecosystems

