Honeywell RTH9580WF
Score: 75/100
Amazon Smart Thermostat
Score: 73/100Rankings
The Honeywell RTH9580WF delivers a sleek low-profile design, vibrant color touchscreen and Smart Response learning for precise temperature control. Its drawbacks include discontinuation, reliance on a C-wire and occasional Wi-Fi reliability issues. It suits tech-savvy homeowners who value aesthetics and learning algorithms but can manage potential support limitations.
The Amazon Smart Thermostat is an ENERGY STAR-certified, Alexa-focused thermostat with auto-learning temperature control and a compact touch-sensitive display. Its main trade-offs are the mandatory C-wire and limited 2.4 GHz Wi-Fi with no built-in voice mic. Ideal for Alexa/Ring users seeking an affordable, easy-install solution.
| Attribute | | |
|---|---|---|
1 yearsbest | — | |
— | 0.9 inchbest | |
| ↓ lower better | 0.544 kg | 0.11 kgbest |
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| Attribute | | |
|---|---|---|
General(1) | ||
HVAC Compatibility | Compatible with 24 V HVAC (forced air, hydronic, heat pump, oil, gas, electric); not compatible with millivolt or 120/240 V baseboard electric heat | 24V |
Connectivity(2) | ||
Wi‑Fi Standard | 802.11b/g/n | 802.11 b/g/n (2.4GHz) |
Smart Home Integration | Alexa | Alexa, Ring |
Power & Installation(1) | ||
Power Source | 24 V | C‑wire (24V) |
Display(1) | ||
Display Type | Capacitive touchscreen | Touch-sensitive |
Build & Design(2) | ||
Device Weight (kg) | 0.5443 kg | 0.1095 kg |
Device Dimensions (H×W×D) (mm) | 0.88x3.5x4.5 in mm | 21.4×90.4×90.4 mm mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the Honeywell RTH9580WF for its ultra-slim profile, vibrant customizable touchscreen, and Smart Response learning that balances comfort with energy efficiency. Editors also note the ease of programming, integrated weather data, and ENERGY STAR rating as strong points, while flagging the product's discontinuation and limited sensor array as drawbacks.
Everyday users appreciate the intuitive touch interface, precise temperature control, and the convenience of remote app management, often citing the customizable display as a fun feature. Recurring complaints focus on Wi-Fi connectivity challenges, occasional app glitches, and the lack of automatic geofencing, with some expressing concern over the thermostat being discontinued.
“Intuitive touch interface”
“Wi-Fi setup issues”
“Easy Alexa-guided install (even with new C-wire)”
Professional reviewers consider the Amazon Smart Thermostat a strong value proposition, praising its auto-learning algorithm, tight Alexa integration, and broad 24V HVAC compatibility while noting its ecosystem constraints, mandatory C-wire, and limited connectivity as notable drawbacks.
Everyday users generally appreciate the straightforward Alexa-guided setup, reliable auto-scheduling, and remote app control that delivers noticeable energy savings, but they frequently cite the C-wire requirement and occasional cycling glitches as pain points.
