
Google Nest Thermostat
Score: 76/100
ecobee Smart Thermostat Premium
Score: 86/100Rankings

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.

The Google Nest Thermostat offers Wi-Fi and Bluetooth connectivity with a compact 2.4-inch display and Energy Star efficiency. Its main trade-off is occasional C-wire requirement and a modest display size. Ideal for users seeking an affordable, Google-centric smart thermostat.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 0.5 °Cbest | |
1 years | 3 yearsbest | |
2.4 inch | 4 inchbest | |
| ↓ lower better | 0.139 kgbest | 0.249 kg |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(2) | ||
HVAC Compatibility | Supports heating stages W1-W3, cooling stages Y1-Y2, heat pump with auxiliary and emergency heat (O/B, AUX, E) | 24V |
Warranty (years) | 1 years | 3 years |
Connectivity(1) | ||
Smart Home Integration | Google Home | Siri, Alexa, Google Assistant |
Power & Installation(2) | ||
C‑Wire Requirement | false | true |
Power Source | HVAC system wiring | C‑wire |
Display(3) | ||
Display Type | IPS LCD | Touchscreen |
Screen Size (inch) | 2.4 inch | 4 inch |
Resolution | 240x320 | 540 x 540 pixels |
Build & Design(2) | ||
Device Weight (kg) | 0.139 kg | 0.249 kg |
Device Dimensions (H×W×D) (mm) | 27.2x84.0x27.3 mm | 103.9×103.9×25.9 mm mm |

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

