Smart Thermostat Comparison 2016

Short on time? The thermostats below are “stack ranked”, with our favorites at the top.

 What's unique?Alexa enabledC-wire required?Price Our Review


ecobee3 lite
Touch screen, price pointYesYes, but a Power Extender Kit is included for systems withoutCheck priceecobee3 lite Review


ecobee3
Room sensors, HomeIQ reportsYesYes, but a Power Extender Kit is included for systems withoutCheck priceecobee3 Review


Emerson Sensi
Traditional programmable thermostat design with WiFi featuresYesNo, unless your system is heat only or cool onlyCheck priceSensi review


Nest Learning Thermostat
Simplicity of use, earn "Leaf" badgesYesIt's complicatedCheck priceNest Review


Ecobee Smart Si
Budget friendly, data reportsNoYes, separate Power Extender Kit is available for systems without a c-wireCheck priceSmart Si Review


ecobee Smart Thermostat
Data reports, granular controlNoYes, separate Power Extender Kit is available for systems without a c-wireCheck priceEcobee Review


Honeywell Wi-Fi Smart Thermostat
Email alerts, full-featured touch screenYesYesCheck priceHoneywell Wi-Fi Review


ecobee3 lite
What's unique: Touch screen, price point
Amazon Alexa enabled: Yes
C-wire required? Yes, but a Power Extender Kit is included for systems without
Price: Check price
Our Review: ecobee3 lite Review


ecobee3
What's unique: Room sensors, HomeIQ reports
Amazon Alexa enabled: Yes
C-wire required? Yes, but a Power Extender Kit is included for systems without
Price: Check price
Our Review: ecobee3 Review


Emerson Sensi
What's unique: Traditional programmable thermostat design with WiFi features
Amazon Alexa enabled: Yes
C-wire required?
Price: Check price
Our Review: Sensi review


Nest Learning Thermostat
What's unique: Simplicity of use, earn "Leaf" badges
Amazon Alexa enabled: Yes
C-wire required? It's complicated
Price: Check price
Our Review: Nest Review


Ecobee Smart Si
What's unique: Budget friendly, data reports
Amazon Alexa enabled: No
C-wire required? Yes, separate Power Extender Kit is available for systems without a c-wire
Price: Check price
Our Review: Smart Si Review


ecobee Smart Thermostat
What's unique: Data reports, granular control
Amazon Alexa enabled: No
C-wire required? Yes, separate Power Extender Kit is available for systems without a c-wire
Price: Check price
Our Review: Ecobee Review


Honeywell Wi-Fi Smart Thermostat
What's unique: Email alerts, full-featured touch screen
Amazon Alexa enabled: Yes
C-wire required? Yes
Price: Check price
Our Review: Honeywell Wi-Fi Review

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