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Best best smart thermostat 2026

Ranked from live Amazon price, rating + review data.

Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55

Slot 1

Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55

4.4 / 5 from 23,034 reviews

114.99

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Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi, Mobile App, Easy DIY, Data Pr...

Slot 2

Sensi Touch Smart Thermostat by Emerson with Touchscreen Color Display, Programmable, Wi-Fi, Mobile App, Easy DIY, Data Pr...

4.5 / 5 from 14,209 reviews

check price

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ecobee Smart Thermostat Enhanced, Programmable Wifi Thermostat

Slot 3

ecobee Smart Thermostat Enhanced, Programmable Wifi Thermostat

4.4 / 5 from 3,697 reviews

177.77

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Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required

Slot 4

Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready - C-Wire Required

4.3 / 5 from 20,086 reviews

149.99

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ecobee Smart Thermostat Essential - WiFi Thermostat, Energy Star Certified

Slot 5

ecobee Smart Thermostat Essential - WiFi Thermostat, Energy Star Certified

4.2 / 5 from 1,877 reviews

139.99

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Sensi Touch 2 Smart Thermostat Wi-Fi, Alexa, Energy Star Certified, ST76

Slot 6

Sensi Touch 2 Smart Thermostat Wi-Fi, Alexa, Energy Star Certified, ST76

4.3 / 5 from 1,242 reviews

189.39

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Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible...

Slot 7

Google Nest Learning Thermostat (4th Gen, 2024) with Nest Temperature Sensor - Energy Saving Smart Thermostat - Compatible...

4.4 / 5 from 2,586 reviews

232.99

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ecobee Smart Thermostat Premium - WiFi, Siri & Alexa Built-In, Smart Sensor | Air Quality Monitor. Works with Alexa, Siri ...

Slot 8

ecobee Smart Thermostat Premium - WiFi, Siri & Alexa Built-In, Smart Sensor | Air Quality Monitor. Works with Alexa, Siri ...

4.3 / 5 from 4,154 reviews

248.0

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