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CR's Expert Take

How did it perform in our expert lab testing?

Overall Score
The Overall Score for this model is derived from our expert lab test results.
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Current Range of Tested Smart Thermostats

What goes into the Overall Score?

Manual operation
 /  5
WiFi setup
 /  5
Remote control
 /  5
Energy efficiency
 /  5
Smart IQ
 /  5
Automation
 /  5
App Control
 /  5
Display
 /  5
Color
 /  5

Detailed Test Results

The primary power for this thermostat is supplied via 24 vac source. A "C" wire is not required if using power extender kit. The temperature set-point can be controlled via the app or thermostat. An operating schedule can be programmed using the app or thermostat. Does not have a home/away feature. A vacation schedule can be programmed only using the app.

About

The Honeywell Home T9 RCHT9510WF is part of the Thermostats test program at Consumer Reports. In our lab tests, Smart Thermostat models like the T9 RCHT9510WF are rated on multiple criteria, such as those listed below.

Manual operation: A higher score indicates better on-device access to controls. This rating evaluates how easily you can use the device’s built-in interface to manage key functions, such as setting schedules, adjusting set points, managing users, and controlling connectivity.

WiFi setup: The ease of setting up the WiFi network connection for thermostats.

Remote control: A higher score indicates better remote access functionality. This rating evaluates how well an app or website allows you to control and manage the device remotely, including features such as locking or unlocking, changing settings or set points, creating or adjusting schedules, and managing user or location-based access.

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