Ecobee Smart Thermostat Enhanced vs Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat comparison

Updated August 2026

Data from Amazon and official Ecobee and Honeywell Home sites.

2026 verdict

In this 2026 Ecobee Smart Thermostat Enhanced vs Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat comparison, Ecobee Smart Thermostat Enhanced comes out ahead thanks to rating, warranty, and included accessories. It has the clearer edge on rating, warranty, and included accessories, and it stays ahead on connectivity and integrations. Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat still makes sense if price, system health monitor, and voice control are your priority, but most buyers should still lean toward Ecobee Smart Thermostat Enhanced. That is why the final call still favors Ecobee Smart Thermostat Enhanced.

Winner

Ecobee

Ecobee Smart Thermostat Enhanced

$192.50

Buy on Amazon USA

Honeywell Home

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat

29% OFF

$127.99

$179.99

Buy on Amazon USA

Feature	Ecobee Smart Thermostat Enhanced	Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat	Winner
Price	$192.50	$127.99	Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Rating	4.4	4.3	Ecobee Smart Thermostat Enhanced
Warranty	3 years	1 year	Ecobee Smart Thermostat Enhanced
Included accessories	Trim Plate	None	Ecobee Smart Thermostat Enhanced
Connectivity	2.4 GHz WiFi, 5 GHz WiFi, Bluetooth	2.4 GHz WiFi	Ecobee Smart Thermostat Enhanced
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTT, External Temperature Sensors	Google Home, Alexa, Home Assistant	Ecobee Smart Thermostat Enhanced
Sensors	Proximity / Motion, Occupancy, Temperature, Humidity	Temperature, Humidity	Ecobee Smart Thermostat Enhanced
Alerts	Temperature Alerts, Intrude Alerts	Temperature Alerts	Ecobee Smart Thermostat Enhanced
System Health Monitor	NO	YES	Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Voice Control	NO	YES	Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat
Screen	YES	YES	Tie
Energy Savings	YES	YES	Tie

Winner

Ecobee

Ecobee Smart Thermostat Enhanced

$192.50

Buy on Amazon USA

+ Rating: 4.4
+ Warranty: 3 years
+ Included accessories: Trim Plate
- Price: $192.50 vs $127.99
- System Health Monitor: NO vs YES

Honeywell Home

Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat

29% OFF

$127.99

$179.99

Buy on Amazon USA

+ Price: $127.99
+ System Health Monitor: YES
+ Voice Control: YES
- Rating: 4.3 vs 4.4
- Warranty: 1 year vs 3 years

Frequently Asked Questions

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

Ecobee Smart Thermostat Enhanced has the stronger overall profile in this comparison, especially for rating, warranty, and included accessories.

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

Price is one of the clearest differences: Ecobee Smart Thermostat Enhanced lists $192.50, while Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat lists $127.99.

Which one looks better on price?

Ecobee Smart Thermostat Enhanced is listed at $192.50, 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 Ecobee Smart Thermostat Enhanced?

Choose Ecobee Smart Thermostat Enhanced if your priority is rating and warranty 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 system health monitor and that matters more than rating.

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