Thermostats · Head to head

Amazon Smart Thermostat vs Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat

Full Smart Thermostats comparison in 2026

Updated August 2026
Data from Amazon and official Honeywell Home site.
2026 verdict
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat wins the 2026 matchup against Amazon Smart Thermostat, mainly on price, rating, and integrations. Its strongest advantages show up in price, rating, and integrations, with sensors and alerts helping widen the gap. Amazon Smart Thermostat is the better fit only for buyers who prioritize included accessories above everything else here. That is enough to make Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat the better pick for most buyers.
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FeatureAmazon Smart ThermostatHoneywell Home RTH9585WF Wi-Fi Smart Color ThermostatWinner
Price$140.36$127.99Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Rating4.24.3Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Included accessoriesTrim PlateNoneAmazon Smart Thermostat
IntegrationsAlexaGoogle Home, Alexa, Home AssistantHoneywell Home RTH9585WF Wi-Fi Smart Color Thermostat
SensorsTemperatureTemperature, HumidityHoneywell Home RTH9585WF Wi-Fi Smart Color Thermostat
AlertsNoneTemperature AlertsHoneywell Home RTH9585WF Wi-Fi Smart Color Thermostat
System Health MonitorNOYESHoneywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Voice ControlNOYESHoneywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Warranty1 year1 yearTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
ScreenYESYESTie
Energy SavingsYESYESTie

Frequently Asked Questions

Which is better overall: Amazon Smart Thermostat or Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat?

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat has the stronger overall profile in this comparison, especially for price, rating, and integrations.

What is the biggest difference between Amazon Smart Thermostat and Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat?

Price is one of the clearest differences: Amazon Smart Thermostat lists $140.36, while Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat lists $127.99.

Which one looks better on price?

Amazon Smart Thermostat is listed at $140.36, while Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat is listed at $127.99. Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat (better spec).

Who should buy Amazon Smart Thermostat?

Choose Amazon Smart Thermostat if your priority is included accessories and that matters more than price.

Who should buy Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat?

Choose Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat if your priority is price and rating and that matters more than included accessories.

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