Below is the table which shows the top 6 best wifi thermostats 2018. Each and every wifi thermostats is chosen by our specialist reviewers.

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# 1 - Honeywell Wi-fi 7-day Programmable Thermostat (rth6580wf), Requires C Wire, Works With Alexa

Connect your home's HVAC system to the rest of your wireless network easily with a Honeywell 7 day Programmable Wi-Fi enabled THERMOSTAT. This high-tech unit has 7 fully Programmable days, with morning, daytime, evening, and night, and easy connectivity for control by smartphone or computer. On the THERMOSTAT, there's a big, backlit digital display and easy controls.


  • Works with Alexa for voice control (Alexa device sold separately).
  • 7 day programming with 4 program periods per day can be configured to meet almost any scheduling scenario for ultimate flexibility
  • Ability to view local weather from web portal or app, Wink App Ready - No Wink Hub Required. Works with virtually any system type (C-wire required)
  • In the box you will find: Thermostat, Wall plate (attached to thermostat), Screws and anchors, Quick Start Guide, Thermostat ID Card, Wire labels, User Guide, Quick Reference Card
  • Works with Alexa, Google Assistant, Samsung SmartThings, IFTTT, Yonomi, Wink, and Stringify (devices sold separately)


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# 2 - Honeywell Rcht8610wf2006 Lyric T5 Wi-fi Smart 7 Day Programmable Touchscreen Thermostat With Geofencing, Requires C Wire, Works With Alexa

A thermostat that adapts to your life. You can control the Lyric Thermostat from anywhere, or let it manage your comfort and savings automatically, so there's no learning curve, no rigid scheduling - just comfort when you're home, and energy savings when you're away.


  • Works with Alexa for voice control (Alexa device sold separately).
  • Product requires C-Wire, unit will not work without it.
  • Control your Smart Home with Amazon Alexa for voice control (Alexa device sold separately) and Apple HomeKit with voice control using Siri, the Apple voice assistant
  • 7-Day Flexible Scheduling or Location Based Temperature control (GeoFencing). Uses geofencing technology to keep track of your smart phone's location;Auto changeover: The Lyric T5 can be set to determine if the home's system should be in heating or cooling mode to provide maximum comfort
  • Adaptive recovery learns how long it takes to achieve the right temperature at the right time and automatically runs your system to get to your desired temperature when you want it, with auto change from heat to cool
  • Smart Alerts - push notifications for filter changes and extreme temperature warnings keeps you informed
  • Energy Star Certified


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# 3 - Honeywell Rth9580wf Smart Wi-fi 7 Day Programmable Color Touch Thermostat, Works With Alexa


  • Works with Alexa for voice control (Alexa device sold separately).
  • Customize the screen color to match any d├ęcor, Control from anywhere with iOS and Android devices, Simple setup with smart programmable features for home or business
  • Energy Savings: Choose programmable mode to save on annual heating and cooling costs. C-wire needed for proper installation.
  • Locking Touchscreen: Advanced locking features and password options provide smart security and convenience
  • Allows remote access to the thermostat through a computer, tablet, or smart phone with Honeywell's Total Connect Comfort Service
  • Check to see if your new thermostat qualifies for a utility rebate. Enter your zip or postal code on yourhome.honeywell.com/rebates for available rebates


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# 4 - Emerson Sensi Wi-fi Thermostat For Smart Home, St55, Diy Version

From across the room or across the country, your Sensi Wi-Fi thermostat makes it easy to remotely control and schedule your home comfort - Anytime. Anywhere. Designed to work with the wires you already have, Sensi thermostat does not require a common wire (c-wire) for most installations, so it is compatible with the HVAC equipment in many homes* in U.S. & Canada. A c-wire is required for heat-only, cool-only and heat pump (without aux) systems, and for use with Apple HomeKit. Check to make sure it will work for you at sensicomfort.com/compatibility. The intuitive app walks you through each step…


  • Works with Alexa for voice control (Alexa device sold separately).
  • Named the 'Best Value' smart thermostat of 2017 by USA Today's Reviewed.com
  • Remotely control your home comfort from your smartphone, tablet or laptop using the free Sensi app for Android and iOS devices
  • Works with Amazon Alexa, Apple HomeKit (c-wire required) and Wink smart home platforms
  • Designed for an easy DIY installation with step-by-step instructions and video tutorials right in the free Sensi mobile app
  • Save money on HVAC related energy costs with features like geofencing for location-based temperature control, 7-day flexible scheduling and remote access
  • Extensive* compatibility with HVAC systems in most homes - a c-wire is required for heat-only, cool-only and heat pump systems without aux. To check system and router compatibility, refer to our online compatibility resources at sensicomfort.com/compatibility


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# 5 - Emerson Thermostats Sensi Smart Thermostat, Wi-fi, Up500w, Works With Alexa

From the couch, the car or the airport lounge, your Sensi thermostat makes it easy to remotely control and schedule your home comfort - Anytime. Anywhere. Designed to work with the wires you already have, Sensi thermostat does not require a common wire (c-wire) in many cases, so it is compatible with most heating and cooling systems* (U.S. and Canada only). The intuitive app walks you through each step of installation and configuration so you don't even need to know what kind of system you have. Set your Sensi thermostat to automatically adjust your homes temperature for location-based temperature control…


  • Works with Alexa for voice control (Alexa device sold separately).
  • Connect Sensi thermostat to your home Wi-Fi network and control from anywhere via free mobile app (compatible with Android and iOS).
  • Integrates with Amazon Alexa for voice control and Wink smart home platforms, and works with Google Assistant and Google Home using the free Wink app.
  • Works with HVAC systems in most homes - a c-wire is required for heat-only, cool-only and heat pump systems without aux. Refer to Sensi's online compatibility resources to verify compatibility in your home.
  • Features geofencing for location-based temperature control and 7-day flexible scheduling to help reduce wasteful heating and cooling when no one is home.
  • Quick and easy DIY installation - the Sensi app includes a step-by-step installation guide and video tutorial.