Top 10 Best Smart Thermostats 2025

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSave up to 26% per year on heating and cooling costs while being ENERGY STAR certified.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eIncludes a SmartSensor (valued at $50) that adjusts temperatures in key areas to reduce hot and cold spots compared to a fixed 72°F.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eBuilt-in air quality monitor alerts you to poor indoor air quality, provides improvement tips, and reminds you when to change your furnace filter.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eFeatures a large, vibrant display with a cinematic interface and advanced occupancy sensing for an enhanced user experience.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eActs as a complete home monitoring hub with built-in smoke alarm detection and break-in alerts (ecobee Smart Security plan required).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eComes with an integrated smart speaker that supports voice control via Siri or Alexa, letting you stream Spotify playlists and podcasts (Apple Home Hub required for Siri).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCompatible with most 24VAC HVAC systems—including furnaces, ACs, heat pumps, boilers, PTACs, and fan coil units—and includes a Power Extender Kit for C-Wire-less homes.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eSome advanced features, such as break-in alerts and open door/window detection, require additional sensors or subscriptions, which can increase the overall cost and complexity.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eProgrammable smart thermostat that learns your schedule and preferred temperatures to optimize energy use and comfort.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eHome/Away Assist automatically sets an Eco Temperature when you leave, reducing wasted energy.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eRemote control capability lets you adjust the thermostat from anywhere using your phone, laptop, or tablet.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEnergy History and Nest Leaf indicator provide real-time feedback on energy consumption and encourage energy-saving choices.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eHVAC monitoring alerts you to potential issues and sends maintenance reminders for proactive care.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eElegant design features polished metal finishes, a high-resolution display, and Farsight that shows temperature, weather, or time upon entry.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy installation in 30 minutes or less, compatible with 95% of heating and cooling systems, and works with Nest Temperature Sensor (sold separately) and Nest Renew for clean energy support.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eAdditional accessories such as the Nest Temperature Sensor and potential reliance on cloud services may increase overall costs and complexity.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSave up to 23% annually on heating and cooling costs compared to maintaining a constant 72°F.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eControl your HVAC system from anywhere using your Android or iOS device.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEnhance comfort by adding a SmartSensor to manage hot or cold spots in the rooms that matter most.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eAutomatically pauses heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart Security subscription).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eRecognized as an ENERGY STAR Partner of the Year award winner, ensuring energy efficiency and reliability.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eIntegrates seamlessly with your preferred smart home system via Wi-Fi (802.11 b/g/n at 2.4 GHz).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCompatible with most 24VAC HVAC systems—including furnaces, ACs, heat pumps, boilers, PTACs, and fan coil units—with a Power Extender Kit included for C-Wire-less homes, and offers secure connectivity with DHCP or static IP addressing and 168-bit SSL encryption.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eAdditional required accessories (SmartSensor and Smart Security subscription) may increase the overall cost and complexity of the system.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eWorks exclusively with high/line voltage electric heating systems, including 120–240V electric baseboards and fan-forced heaters.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eNot compatible with low-voltage systems or two-wire installations; requires at least four wires, including a neutral or a second live wire.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSupports loads up to 1900W at 120V or 3800W at 240V for reliable performance.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003e40% smaller design with new features, including adaptive display technology.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eAdaptive Brightness Technology adjusts the display brightness with Sleep and Wake on Approach functions.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eIntegrates seamlessly with Alexa, Google Assistant, and Apple HomeKit for smart home connectivity.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy scheduling via the app, allowing you to set up your thermostat in less than a minute.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eCompatibility is limited to newer high-voltage systems, so users with older or two-wire baseboard systems must verify functionality before purchase.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCompatible with Sensi Room Sensors for balanced temperature control throughout your home (sensors sold separately).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCommitted to privacy protection by not selling your personal information to third parties.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eENERGY STAR-certified Sensi Touch 2 smart thermostat can help save about 23% on HVAC energy costs.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eOffers flexible scheduling, remote access, and detailed usage reports to optimize energy efficiency.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eProvides smart maintenance features including equipment performance monitoring, alerts, and filter replacement reminders.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy DIY installation guided by a top-rated app using universal Bluetooth technology.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eDesigned to work with HVAC equipment in most homes, though it requires a common wire (c-wire) for proper functionality.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eThe necessity of a common wire and potential additional costs for room sensors may complicate installation for some users.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSave money and energy with an ENERGY STAR certified thermostat that can be adjusted from anywhere using your mobile device, or automatically through Auto Home/Away Scheduling.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eBenefit from potential energy savings rebates and enrollment in local Utility Demand Response Programs to further reduce costs.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEnjoy personalized comfort with Smart Room Sensors that adjust temperatures in specific rooms, helping you live and sleep smarter.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eExperience impressive sensor range, with battery-powered Smart Room Sensors utilizing Honeywell Home technology for reliable signals up to 200 ft (range may vary with home construction).u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eAchieve multi-room temperature control as the T9 Smart Thermostat manages several rooms simultaneously when used with sensors.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eControl the thermostat effortlessly using the Resideo app or via voice commands with Amazon Alexa, Apple HomeKit, Google Assistant, and more.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy DIY installation with a guided setup process and an included low-voltage power adapter as an alternative to a C-wire, making it compatible with most HVAC systems.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eThe system requires a C-wire or a compatible low-voltage setup, which may complicate installation in homes without existing C-wire infrastructure.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eProgrammable smart thermostat that learns your preferred temperatures and programs itself to help you save energy and maintain comfort.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eHome/Away Assist automatically adjusts to an Eco Temperature when you leave, preventing wasted energy on an empty home.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eRequires Wi-Fi connectivity and a phone or tablet running iOS or Android, managed through the Nest app.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eRemote control capability allows family members to change the temperature from anywhere using a phone, laptop, or tablet.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eFeatures HVAC monitoring that alerts you to potential issues with your heating and cooling systems and provides maintenance reminders.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eDisplays the Nest Leaf when you choose an energy-saving temperature and offers Energy History to track your usage and savings.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCompatible with the Nest Temperature Sensor (sold separately) and works with voice control via Alexa, Google Assistant, and other smart speakers.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eDesigned to seamlessly blend into any home with a frosted display and easy installation in 60 minutes or less, compatible with 95% of heating and cooling systems.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eAdditional accessories like the Nest Temperature Sensor are sold separately, which may increase the overall cost.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003ePrivacy Protection: Sensi won’t sell your personal information to third parties.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy DIY installation using a built-in level and step-by-step app instructions, compatible with most home HVAC systems without the need for a common wire.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eENERGY STAR-certified to help save about 23% on HVAC energy costs through flexible scheduling, remote access, and detailed usage reports.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSmart maintenance features monitor system performance, provide equipment alerts, and send filter replacement reminders.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSimple configuration that mimics the look and feel of a traditional thermostat, so no patching or painting is required.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eAllows remote control from anywhere, enabling you to adjust settings on the go using your smartphone.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eUser-friendly interface with clearly labeled buttons for intuitive operation.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eSupports customizable scheduling to tailor temperature settings to your lifestyle.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eDependence on app-based configuration and remote connectivity may be challenging for users who prefer a more traditional, non-digital thermostat setup.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eHive Heating and Cooling Pack includes one Smart Thermostat and one Hive Hub, and is compatible with up-to-date iOS or Android devices with a recommended internet connection of 1.5Mbps or higher.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eRemotely program your thermostat to operate only when your home is occupied or sync with Hive Window/Door Sensors to automatically turn off your system when you leave.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEnables voice control by connecting your Hive devices to Amazon Alexa or Google Home, allowing commands like u0022set temperature to 75°.u0022u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eFeatures Quick Cool and Quick Heat functions for rapid temperature changes with a single click.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCentralizes control of all your Hive smart home devices through the Hive App, accessible via smartphone, tablet, or laptop.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eProvides seamless integration to manage your home’s heating and cooling remotely for enhanced convenience and energy savings.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eDesigned to bring your home to life by offering flexible scheduling and automated system adjustments based on occupancy.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eThe system’s optimal performance is heavily dependent on a stable, high-speed internet connection and up-to-date devices, which may limit functionality for users with older technology or unreliable networks.

u003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eEasy DIY installation with step-by-step guidance in the Wyze app, typically taking less than 30 minutes.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCompatible with 90% of home heating and cooling systems, and includes a C-wire adapter for homes without a C-wire; check compatibility on the Wyze website.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eControl the temperature remotely via the Wyze app, allowing you to adjust settings, turn off the system when away, and share control with guests or family.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eWorks seamlessly with voice assistants like Alexa and Google Assistant for hands-free adjustments.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eCreate personalized schedules for Home, Sleep, and Away modes with a 7-day scheduling feature.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eProvides usage tracking with actionable energy-saving insights through the Wyze app.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-check greencolor font130u0022u003e u003c/iu003eAutomatically turns the thermostat on and off based on built-in motion sensors and your phone’s location to conserve energy.u003cbru003eu003ci class=u0022vertmiddle mr10 rhicon rhi-minus redcolor font130u0022u003e u003c/iu003eReliance on a stable Wi-Fi connection and smart home ecosystem may limit functionality in areas with poor connectivity or older devices.