
Honeywell Home RTH6580WF
Score: 75/100
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 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 | ![]() | ![]() |
|---|---|---|
— | 0.5 °Cbest | |
1 years | 3 yearsbest | |
— | 4 inchbest | |
| ↓ lower better | 0.544 kg | 0.249 kgbest |
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 | 24V |
Warranty (years) | 1 years | 3 years |
Connectivity(1) | ||
Smart Home Integration | Alexa, Google Assistant, Samsung SmartThings, IFTTT, Bonomi, Wink, Stringify | Siri, Alexa, Google Assistant |
Power & Installation(1) | ||
Power Source | 24 V | C‑wire |
Display(1) | ||
Display Type | Backlit digital | Touchscreen |
Features(1) | ||
Geofencing | false | true |
Build & Design(2) | ||
Device Weight (kg) | 0.544 kg | 0.249 kg |
Device Dimensions (H×W×D) (mm) | 147x89x38 mm | 103.9×103.9×25.9 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.

