Best App Household Thermostats in 2026

Automatically pauses your heating or cooling when a door or window is left open (requires ecobee SmartSensor for doors and windows and a Smart Security subscription)

PLAYS WELL WITH OTHERS: ecobee3 lite works with your favorite smart home setups, including Apple HomeKit, Amazon Alexa, Google Assistant, Microsoft Cortana, Samsung SmartThings, Wink, and IFTTT

WORKS WITH ROOM SENSORS: Place them in the rooms that matter the most and have the temperature balanced throughout your whole home. Measuring both occupancy and temperature, sensors signal your ecobee Smart Thermostat to automatically switch to the right mode for comfort when you’re home or for savings when you’re not. 2-pack sold separately.

EASILY INSTALL YOURSELF: It only takes about 30 minutes, thanks to an easy to follow installation guide and an in-app step-by-step walkthrough. Everything you need comes in the box, including a Power Extender Kit for homes with no common wire (C-wire)

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.

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.

SMART HOME INTEGRATION. The Wi-Fi 7-Day is compatible with voice assistant devices like Amazon Alexa, Google Assistant, Microsoft Cortana, and more.

THERMOSTAT THAT FITS YOUR LIFE. 7-day, 4 periods per day, flexible programming lets you sync your comfort with your schedule.

EASY OPERATION AND INTUITIVE. Big, backlit digital display and easy controls make for a user-friendly experience.

EASY-TO-USE-APP. Choose from the Total Connect Comfort app or the Resideo app to control your Wi-Fi thermostat anytime, anywhere.

COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.

Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present. Ability to view local weather from web portal or app

MULTI-ROOM FOCUS. Don’t be forced to choose one room over another, the T9 Smart Thermostat can handle multiple rooms to focus on (requires sensors).

CONTROL IT YOUR WAY. Control the T9 using the Resideo app or through Amazon Alexa, Apple HomeKit, Google Assistant, and more.

COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.

DO IT YOURSELF SIMPLE INSTALL. With guided installation setup couldn’t be simpler. The included power adapter is an easy-to-install, low-voltage alternative to a C-wire, so the thermostat is compatible with most homes.

Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.

Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.

Control From Anywhere: Let Amazon Alexa or Google Assistant adjust the temperature at your command when you connect your thermostat to the free VeSync app.

Eco Level Setting: Select an Eco level to set your thermostat's energy usage and temperature precision. A higher Eco level focuses on energy efficiency, but will not control temperature as precisely.

Smart Scenes: Take control of your home's atmosphere by connecting Levoit sensors, smart humidifiers, and smart air purifiers to the thermostat with the VeSync app.

User-Friendly Touchscreen: The 4-inch, high-resolution display automatically adjusts its brightness based on the amount of light in the room, allowing you to easily view your indoor temperature, humidity, and the weather forecast.

Easy HVAC Monitoring: Receive notifications when there’s a system malfunction or when your indoor temperature goes outside your preferred range.

High Compatibility: This thermostat comes with a C-wire adapter and is compatible with Heating and Cooling Systems, Cooling Only System, Heat Pump Systems, and more. Does NOT work with heating only systems(No C-wire) or high voltage systems(120V-240V).

Easy to Install: The average DIY installation takes about 35 minutes. Simply follow the step-by-step installation guide in the VeSync app.

C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.

SIMPLE INSTALL FOR A DIY PROJECT. The Wi-Fi 7-Day Programmable Thermostat is easy to configure and install yourself.

C-WIRE POWER ADAPTER REQUIRED: Before purchasing, check to see if this thermostat is compatible with your home and to determine if your home needs a C-wire power adapter.

COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup. Does NOT work with electric baseboard heat (120-240V). C-Wire required.

Works with most heat/cool oil furnace systems. Will not work with heating only oil furnace systems unless a C-Wire is present.

【CONSISTANT MONEY-SAVING FOR YOUR FAMILY】 . Vine thermostat helps you save over 20% cost on HVAC expense（Data get from the Xing laboratory）through energy-saving mode ,7-day rational programming , remote access and so on.

【PROGRAMMABLE】.You could use TJ-550 to create an energy efficient schedule in thermostat and the Vine Thermostat APP on your phone, as well as the screen could continue light on and help you easy to read at night. VINE thermostat help you to built an soft home day and night.

Multiple convenient ways to control: Take control of your heating and cooling effortlessly with touch, the free Degrii app, or through voice commands with Amazon Alexa and Google Assistant.

Say goodbye to hot and cold spots: Say goodbye to uncomfortable hot and cold spots in your home. Degrii Smart Thermostat works seamlessly with up to 12 Degrii Remote Thermostats (sold separately), creating a personalized comfort system for your entire home.

♨️SUPPORTS HEATING, COOLING, VENTILATION, HUMIDIFICATION & DEHUMIDIFICATION: For heating and cooling, this thermostat can adjust the temperature to your desired level and maintain it using a temperature control algorithm. For ventilation, the thermostat can adjust the fan speed to improve air circulation. For humidification and dehumidification, the thermostat can adjust the humidity level by controlling the HVAC system's operation, such as turning on or off the humidifier or dehumidifier.

📉REMOTE CONTROL & HISTORICAL DATA: Track your heating and cooling behaviors with the 7-day historical energy reports. Review this data directly from your smart thermostat or from your phone by downloading the gadget app that is available for either IOS or Android devices and make any necessary adjustments. You can also control your thermostat remotely through your Amazon Alexa.

🏊POOL AQUASTAT & TEMPERATURE CALIBRATIONS: Both great features for regulating temperatures. The Pool Aquastat is unique feature that most competitors don't have. It regulates -the temperature of a swimming pool or spa to make sure it doesn't fall below a certain set point; and the Temperature calibration feature, allows you to adjust the temperature reading on the thermostat by a certain number of degrees Fahrenheiy by adding or subtracting up to 0.1°F to the temperature reading.

🗣️LANGUAGES: English, Chinese, Spain, Italian, Russian, Polish, Czech, German, French, Slovenski, Swedish, and Portuguese.

📋Certifications: CE/ISO9001/RoHS, recyclable packaging