
Honeywell Home RTH6580WF
Score: 75/100
ecobee Smart Thermostat Enhanced
Score: 86/100Rankings

The ecobee Smart Thermostat Enhanced delivers up to 26% energy savings, geofencing and radar occupancy detection with a vibrant 4-inch touchscreen. It lacks air-quality monitoring and multi-zone support, which may limit advanced users. Ideal for single-zone homeowners seeking strong energy-saving features and wide smart-home integration.

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 | |
— | 4 inchbest | |
| ↓ lower better | 0.544 kg | 0.24 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 | 24 VAC systems (gas/oil/electric furnaces, dual fuel, forced air, heat pump, boilers) |
Warranty (years) | 1 years | 3 years |
Connectivity(1) | ||
Smart Home Integration | Alexa, Google Assistant, Samsung SmartThings, IFTTT, Bonomi, Wink, Stringify | Siri, Alexa, Google Assistant, Apple HomeKit, SmartThings, IFTTT |
Power & Installation(2) | ||
C‑Wire Requirement | true | false |
Power Source | 24 V | HVAC system wiring with optional Power Extender Kit |
Features(1) | ||
Geofencing | false | true |
Build & Design(2) | ||
Device Weight (kg) | 0.544 kg | 0.24 kg |
Device Dimensions (H×W×D) (mm) | 147x89x38 mm | 103.89x103.89x23.88 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.

“Very user-friendly with many features; compact and attractive on the wall; effortless control and energy savings (pays for itself quickly).”



Professional reviewers commend the Enhanced model for its proven energy-efficiency, radar-based occupancy detection and extensive voice-assistant integrations, calling it a trusted, planet-friendly choice. They note, however, that it misses premium features such as air-quality monitoring and bundled remote sensors, and that installation can be a bit daunting for novices.
Everyday users appreciate the thermostat's intuitive touchscreen, sleek compact look and the quick payoff from energy savings, describing it as very user-friendly. Common frustrations revolve around the need to follow detailed setup instructions and the lack of extra sensors found in higher-end models.