The 8 Best Smart Thermostats of 2021
By The Spruce
Honeywell Smart Wi-Fi Color Touch Thermostat, Model RTH9585WF
"Runner-Up, Best Overall"
Ecobee4 Smart Thermostat
"Best for Multiple Zones"
Emerson Sensi Wi-Fi Smart Thermostat for Smart Home
"Best Battery-Powered"
Ecobee Smart Thermostat with Voice Control
"Best for Alexa"
Nest E
"Best for Google Home"
GLAS Smart Thermostat by Johnson Controls
"Best for Air Quality"
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