Honeywell Home RTH6580WF
Score: 75/100
ecobee3 Lite
Score: 82/100Rankings
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.
The Honeywell Home RTH6580WF is an affordable Wi-Fi thermostat that offers solid basic scheduling and broad system compatibility. Its main drawbacks are the lack of geofencing, auto-learning, and the need for a C-wire. It is best suited for budget-conscious homeowners with standard 24 V HVAC systems who want voice-assistant control.
| Attribute | | |
|---|---|---|
1 years | 3 yearsbest | |
— | 3.5 inchbest | |
| ↓ lower better | 0.544 kgbest | 2.268 kg |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
General(2) | ||
HVAC Compatibility | Gas/oil/electric heat with central AC, heat pump (with/without backup/aux heat), heat only (with/without fan), cool only, multi-stage up to 2 heat/2 c | Approximately 95% of 24V systems |
Warranty (years) | 1 years | 3 years |
Connectivity(1) | ||
Smart Home Integration | Alexa, Google Assistant, Samsung SmartThings, IFTTT, Bonomi, Wink, Stringify | Siri, Google Assistant, Samsung SmartThings, IFTTT, Alexa |
Power & Installation(1) | ||
Power Source | 24 V | Hardwired 24V |
Build & Design(2) | ||
Device Weight (kg) | 0.544 kg | 2.268 kg |
Device Dimensions (H×W×D) (mm) | 147x89x38 mm | 102.9x102.9x21.4 mm mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consider the Honeywell RTH6580WF a solid budget smart thermostat that delivers essential Wi-Fi functionality without the expense of premium models. They commend its reliable build, ENERGY STAR efficiency, and broad system compatibility, while noting the absence of geofencing, auto-learning, and the need for a C-wire as drawbacks.
Everyday users generally praise the thermostat for its easy installation, straightforward Wi-Fi setup, and noticeable energy savings. Common frustrations revolve around wiring requirements, occasional app or connectivity glitches, and the lack of automatic schedule learning.
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.
Choose Ecobee3 Lite if you want built-in voice control and additional sensors; stick with Honeywell for the lowest cost and widest HVAC compatibility.
