ecobee3 Lite
Score: 82/100
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.
The Ecobee3 Lite offers a budget-friendly 3.5-inch touchscreen, built-in sensors and broad HomeKit, Alexa and Google Assistant support. Its reliance on a C-wire or power extender kit and modest display resolution may deter users seeking higher-end visuals. Best suited for cost-conscious owners of 24 V HVAC systems who value multi-room sensing.
| Attribute | | |
|---|---|---|
3 yearsbest | — | |
3.5 inchbest | 2.68 inch | |
| ↓ lower better | 2.268 kg | 0.162 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
General(1) | ||
HVAC Compatibility | Approximately 95% of 24V systems | Up to 3 heating stages, 2 cooling stages, heat pump with auxiliary and emergency heat |
Connectivity(1) | ||
Smart Home Integration | Siri, Google Assistant, Samsung SmartThings, IFTTT, Alexa | Matter, Google Home, Amazon Alexa |
Power & Installation(2) | ||
C‑Wire Requirement | true | false |
Power Source | Hardwired 24V | HVAC system wiring with rechargeable lithium battery |
Display(2) | ||
Screen Size (inch) | 3.5 inch | 2.68 inch |
Resolution | 320x480 | 600x600 |
Build & Design(2) | ||
Device Weight (kg) | 2.268 kg | 0.162 kg |
Device Dimensions (H×W×D) (mm) | 102.9x102.9x21.4 mm mm | 3.9x3.9x1.1 mm |
Products in the top-left offer the best value (high score, low price).
Industry analysts and the manufacturer emphasize the Ecobee3 Lite's strong energy-efficiency credentials, easy installation with the optional Power Extender Kit, and its broad smart-home ecosystem support, positioning it as a cost-effective solution that can still achieve notable savings of around 23 % per year.
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
