ecobee3 Lite
Score: 82/100
Honeywell Home RTH9585WF1004
Score: 73/100Rankings
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.
Honeywell Home RTH9585WF1004 offers a sleek full-color touchscreen and supports both Alexa and Google Assistant, backed by ENERGY STAR certification. It requires a C-wire and can suffer from temperature accuracy and occasional app glitches. Best suited for homeowners wanting a customizable display and multi-assistant integration at a moderate price.
| Attribute | | |
|---|---|---|
3 yearsbest | 1 years | |
3.5 inchbest | — | |
| ↓ lower better | 2.268 kg | 0.204 kgbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
General(2) | ||
HVAC Compatibility | Approximately 95% of 24V systems | Forced air, hot water, steam, heat pumps |
Warranty (years) | 3 years | 1 years |
Connectivity(1) | ||
Smart Home Integration | Siri, Google Assistant, Samsung SmartThings, IFTTT, Alexa | Alexa, Google Assistant, SmartThings, IFTTT |
Power & Installation(1) | ||
Power Source | Hardwired 24V | 24V |
Build & Design(2) | ||
Device Weight (kg) | 2.268 kg | 0.204 kg |
Device Dimensions (H×W×D) (mm) | 102.9x102.9x21.4 mm mm | 22×114×89 mm 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.
Professional reviewers commend the Honeywell RTH9585WF1004 for its stylish, full-color display, easy integration with Alexa and Google Assistant, and its Smart Response learning that simplifies scheduling. They also highlight its ENERGY STAR rating and Demand Response capability as strong points for energy-conscious buyers, while noting its reliance on a C-wire as a potential limitation.
Everyday users appreciate the intuitive touchscreen, quick setup, reliable Wi-Fi control, and attractive customizable design. Common praise centers on energy-usage reports and voice-control convenience, whereas recurring complaints involve temperature accuracy, small size, occasional touchscreen lag, app instability, and Wi-Fi connectivity issues.
