10 Best Homekit Thermostat of August 2025

• ENERGY SAVINGS By reducing wasted energy in your home you could save up to 23% annually on your heating or cooling costs Compared to a hold of 72°F
• ECO+ Supercharge your energy savings and comfort eco+ intelligently heats or cools your home when prices are low and balances the climate for comfort and energy
• SMARTSENSORS Compatible with ecobee SmartSensor detecting occupancy to save energy and provide optimal comfort in the rooms that matter most SOLD SEPARATELY
• ADVANCED CONTROL Your ecobee3 lite works with your local weather schedule and desired comfort settings Control from anywhere Adjust the temperature and turn on vacation mode anytime anywhere with your iOS or Android device
• INSTALLATION Easily install it yourself in 30 minutes or less with handy video walkthroughs and a step-by-step guide on the ecobee app
• INTEGRATION ecobee3 lite pairs with up to 32 sensors Works with Echo Apple HomeKit Google Assistant Samsung SmartThings Wink and IFTTT

ecobee

• EDITORS CHOICE BEST OVERALL SMART THERMOSTAT by USA Today’s reviewed.com
• SAVE ABOUT 23% ON HVAC ENERGY*: By adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi customers saved about 23% on HVAC energy usage
• MOST INSTALL IN 30 MINUTES OR LESS**: Use the built-in level, illuminated easy-click terminals and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size.
• COMPATIBILITY REQUIRES C-WIRE: Extensive compatibility*** with HVAC equipment found in most homes. ALL system types require a common wire (C-WIRE). To check system and router compatibility, refer to our online compatibility resources at sensi.emerson.com/compatibility
• SMART HOME COMPATIBLE: Works with Amazon Alexa, Google Assistant, Apple HomeKit, and Samsung SmartThings smart home platforms.
• USAGE REPORTS: Monitor current day and historical heating, cooling and fan runtimes right in the app.
• GET REBATES: Find utility rebates in your area through the rebate finder at sensi.emerson.com/rebates.
• CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.
• SMART ALERTS: Sensi features smart alerts to help detect extreme temperature and humidity levels in your home.
• CIRCULATING FAN: Air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.

Emerson Thermostats

• 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 smart thermostat 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.The Lyric T5 Wi-Fi smart thermostat is compatible with most single-stage and multi-stage conventional and heat pump heating and cooling systems. Provides remote thermostat control through iOS or Android smartphones and tablets. Compatible with Apple HomeKit and Amazon Echo

Honeywell Home

• AWARD WINNING: Named “The Best Smart Thermostat” by Tom’s Guide. With a crisp glass finish, vivid touch display, powerful quad-core processor, dual-band Wi-Fi, and far-field voice, it’s a smart thermostat like no other.
• SMARTSENSOR: Includes SmartSensor to keep important rooms comfortable by adjusting your thermostat based on occupancy and temperature.
• ENERGY SAVINGS: By reducing wasted energy in your home, you could save up to 23% annually on your heating or cooling costs (compared to a hold of 72°F). Plus, the eco+ free software works to further maximize efficiency. You can also see if your purchase qualifies for a rebate at ecobee.com/rebates.
• ADVANCED COMFORT: With Alexa Built-in and an intuitive mobile app, you can control your thermostat and home using your voice, phone, tablet, computer, or Apple Watch.
• INSTALLATION: Easily install yourself in 45 minutes or less with video walkthroughs and a step-by-step guide on the ecobee app. Our Canada-based support team is also just a call away.
• ALEXA BUILT-IN: Consider your life handled with Alexa Built-inch Just ask for the weather, music, Alexa Calling, and more.
• INTEGRATIONS: Works in harmony with your favorite smart home systems, including Google Assistant, Apple Home Kit, Alexa, Samsung SmartThings, and IFTTT.

ecobee

• EDITORS CHOICE BEST VALUE SMART THERMOSTAT by USA Today’s Reviewed.com
• SAVE ABOUT 23% ON HVAC ENERGY*: The ENERGY STAR certified Sensi thermostat helps you save on your HVAC energy costs, with features like geofencing, 7-day flexible scheduling, remote access and in-app system usage.
• MOST INSTALL IN 30 MINUTES OR LESS**: Use the built-in level and step-by-step app instructions for a quick installation. Skip any extra work painting or patching the wall thanks to the standard thermostat size.
• EXTENSIVE COMPATIBILITY***: Works with the HVAC equipment found in most homes - a c-wire is required for heat-only, cool-only and heat pump systems. Check system and router compatibility at sensi.emerson.com/compatibility
• SMART HOME COMPATIBLE: Works with Amazon Alexa, Google Assistant, Apple HomeKit (c-wire required), and Samsung SmartThings smart home platforms.
• USAGE REPORTS: Monitor current day and historical heating, cooling and fan runtimes right in the app.
• GET REBATES: Find utility rebates in your area through the rebate finder at sensi.emerson.com/rebates.
• CONTROL FROM ANYWHERE: Remotely control your home comfort from your smartphone or tablet using the Sensi mobile app for Android and iOS devices.
• SMART ALERTS: Sensi features smart alerts to help detect extreme temperature and humidity levels in your home.
• CIRCULATING FAN: Air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.

Sensi

• 4-1/16 in. Long x 4-1/16 in. Wide x 1-3/32 in. Deep
• 20 to 30 vac
• 37 f to 102 f

Honeywell Home

• HELP SAVE ENERGY. See your energy use in the Monthly Energy Report, and help save even more with a schedule that adapts to your lifestyle, and by connecting with your utility efficiency program.
• AUTO HOME AND AWAY MODE. Adjust your thermostat from anywhere with your mobile device, or let your home automatically react to your schedule with geofencing.
• SMART RESPONSE AND ALERTS. Intelligently learns your home’s heating and cooling patterns to deliver the right temperature at the right time, and sends you filter and temperature alerts.
• SMARTER, SIMPLER SETUP. Everything you need comes in the box, including a power adapter so that the T9 works in most homes. The T9 intuitively identifies your home’s heating and cooling type, making it easy to do it yourself.
• EFFICIENCY AND REWARDS. Connect your Honeywell Home account with your utility to earn rewards each season for your energy efficiency.
• MULTI-ROOM FOCUS. Add Smart Room Sensors to focus the temperature on multiple rooms for comfort where it matters to you. (Sensors sold separately). Wire Configuration - 4-Wire. Supports Wi-Fi 802.11 B/G/N 2.4 and 5 GHz

Honeywell Home

• COMPATIBILITY: Works with most heating and cooling systems; all systems require a 24VAC "Common" wire for power. All system types require a common wire (C-Wire). To check system and router compatibility, refer to iDevices support portal
• VOICE CONTROL: Responds to Alexa, Siri, and Google Assistant voice commands (voice assistant devices sold separately)
• ACCESS ANYWHERE: Control and monitor the iDevices Thermostat from anywhere using any iOS/Android device and the iDevices Connected app
• NO HUB REQUIRED: With the iDevices Thermostat, a home Wi-Fi network and a smart phone/tablet are all that's required to get started. For additional compatibility details, refer to the iDevices support portal
• 2-YEAR WARRANTY: Backed by a 2-year limited warranty and U.S.-based customer experience team

iDevices

• Programmable smart thermostat that learns the temperatures you like and programs itself to help you save energy and stay comfortable
• Start with a simple schedule and easily adjust it whenever you like in the Nest app
• Home/Away Assist automatically adjusts itself to an Eco Temperature after you leave, so you don’t heat or cool an empty home
• Remote control lets family members change the temperature on this smart thermostat from anywhere using a phone, laptop, or tablet[1]
• The Nest Leaf appears when you choose a temperature that saves energy; with Energy History, just check your phone to see how much energy you used and find out how to save more
• Works with the Nest Temperature Sensor (sold separately) to help make sure a certain room is the exact temperature you want it to be
• Works with Alexa, Google Assistant, and other smart speakers so you can adjust the temperature with your voice
• Designed to fit any home, with a frosted display that blends into the background
• Easy installation, typically in 60 minutes or less, with everything you need included in the box; compatible with 95% of heating and cooling systems
• Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.g., [1], [2], etc.)

Google

• Indoor air quality monitoring including humidity, total VOCs and equivalent CO2
• Outdoor air quality reporting including allergens, air quality index and UV index. Compatability GLAS can control the following types of split or packaged units- Conventional, single stage up to 2H/2C, Heat pump, up to 2H/2C/2 Aux Heat. GLAS is compatible with the following HVAC configurations- Gas Heat, Oil Heat,Electric Heat,Ground-, Air-, and Water-source heat pumps, Dual-fuel support for Heat Pump
• Works with Amazon Alexa and the Google Assistant
• Beautiful user interface and a translucent OLED touchscreen
• Program your own schedule or allow GLAS to do it for you using the integrated occupancy sensor to create a comfortable space when you are at home
• Mobile connectivity with free GLAS by JCI smart thermostat mobile app available for smart phones and tablets on both iOS and Android
• Control multiple GLAS thermostats in different locations with one mobile app
• Remote software updates means the GLAS smart thermostat keeps getting better
• Straightforward installation instructions and online compatibility checker
• 7 day scheduling allows you to schedule multiple events per day

Johnson Controls