Best 4-Wire Smart Thermostats
Updated February 2026
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Best 4-Wire Smart Thermostats
2026 Buyer's GuideUpdated February 2026
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2
2
meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Ease of installation
Functionality
Thermostat quality
Integration
Connectivity
Temperature control
2
meross Smart Thermostat for Home, WiFi Thermostat Works with Matter, Alexa, Apple Home, Google Assistant, App & Voice Control, ...
Ease of installation
Functionality
Thermostat quality
Integration
Connectivity
Temperature control
4
4
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Functionality
Ease of installation
Thermostat quality
Ease of use
Wifi connectivity
4
Honeywell Home RTH9585WF1004 Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, Gray
Functionality
Ease of installation
Thermostat quality
Ease of use
Wifi connectivity
6
6
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
AMAZON
Ease of installation
Value for money
Ease of use
6
Amazon Smart Thermostat – Save money and energy - Works with Alexa and Ring - C-wire required
Ease of installation
Value for money
Ease of use
7
7
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google As...
ECOBEE
Ease of installation
Thermostat quality
Ease of use
Control panel
Value for money
App ease
7
ecobee Smart Thermostat Essential - Energy Star Certified programmable Wi-Fi Thermostat - Works with Siri, Alexa, and Google As...
Ease of installation
Thermostat quality
Ease of use
Control panel
Value for money
App ease
8
8
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy S...
SENSI
Ease of installation
Functionality
Ease of use
Value for money
Cost effectiveness
App convenience
8
Sensi Smart Thermostat, 100 Years Of Expertise, Wi-Fi, Data Privacy, Programmable, Easy DIY Install, Works With Alexa, Energy S...
Ease of installation
Functionality
Ease of use
Value for money
Cost effectiveness
App convenience
9
9
Sensi Lite Smart Thermostat, Data Privacy, Programmable, Wi-Fi, Easy DIY, Works With Alexa, Energy Star Certified, ST25, Most S...
Ease of installation
Functionality
Ease of use
Thermostat quality
Value for money
9
Sensi Lite Smart Thermostat, Data Privacy, Programmable, Wi-Fi, Easy DIY, Works With Alexa, Energy Star Certified, ST25, Most S...
Ease of installation
Functionality
Ease of use
Thermostat quality
Value for money
Our Top Choice
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