The Best Smart Thermostats 2025

1. GE - CYNC Smart Programmable Thermostat - White

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Get more control over your comfort. Preset your ideal temperature around your schedule and adjust it away from home through the CYNC app. Turn up the heat or cool down the room from bed using your voice and a Hey Google or Amazon Alexa device (sold separately). Set schedules in the CYNC app so you can cool the house down before bed and wake up to a warm room. The CYNC Smart Thermostat is compatible with most residential heating and cooling systems. Add CYNC Room Temperature Sensors (sold separately) and set your preferred temperature in the room you're in during different times of the day.

2. GE CYNC Smart Temperature Sensor, Thermostat Sensor, Humidity Sensor, Works with CYNC Smart Thermostat (Sold Separately), Set Schedules in CYNC App (1 Pack)

GE Cync Smart Home Room Temperature Sensor, 1pk

Works with the Cync Smart Thermostat (sold separately): The Room Sensor groups with the Cync Smart Thermostat to provide a more comfortable and responsive home Optimize comfort where it matters most: Add sensors to different rooms and create the ideal temperature in the rooms you're in different times of the day Reduce hot and cold spots: Average the temperature between your Cync Smart Thermostat (sold separately) and Sensors to improve temperature consistency throughout your house Create custom schedules: Set a schedule in the Cync app and change your bedroom temperature from cool at bedtime to warm at sunrise

3. Honeywell Home - Smart Room Sensor - White

Connects to compatible devices via 3G, 4G, 4G LTE or Bluetooth; Split-Spectrum, ionization and photoelectric sensors; Nest app (download required); mounting hardware included

Optimize overall comfort in any room with this Honeywell Home smart room sensor. User-friendly controls let you define ideal comfort settings depending on time and weather conditions, while the 200-foot sensor range ensures effective monitoring of almost every part of the room. This Honeywell Home smart room sensor features a simple design for quick installation.

4. Honeywell Home - T9 Smart Programmable Touch-Screen Wi-Fi Thermostat with Smart Room Sensor - White

AppleCare+ for HomePod extends your coverage with additional service and post-purchase support. Includes unlimited incidents of accidental damage protection, each subject to a service fee plus tax24/7 priority access to Apple expertsApple Authorized Repair at Best Buy storesExpress Replacement Service

Adjust the temperature of almost any room in your home with just a few simple taps on your smartphone with this Honeywell Home T9 smart thermostat with sensor. The intuitive interface and touch-screen design make this thermostat quick and easy to use. This Honeywell Home T9 smart thermostat features geofencing technology, so you can conserve energy while you're gone and enjoy a comfortable temperature once you return.

5. Honeywell Home - Smart Color Thermostat with Wi-Fi Connectivity - Silver

Compatible with most 24V heating and cooling systems; customizable color touch screen; Wi-Fi capability; Smart Response technology; automatic energy-saving settings; auto alerts

Completely customize your Wi-Fi Smart Color Thermostat to match your lifestyle and decor. The ENERGY STAR® certified smart thermostat lets you choose the temperature, schedule, display color and the devices you use to control it all.

6. Google - Nest Smart Programmable Wifi Thermostat - Snow

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.

7. Google - Nest Smart Programmable Wifi Thermostat - Charcoal

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.

8. Google - Nest Smart Programmable Wifi Thermostat - Sand

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.

9. Google - Nest Smart Programmable Wifi Thermostat - Fog

Works with conventional (2H/2C), heat pump (4H/2C), gas, oil, electric and dual fuel; Apple® HomeKit-enabled; Wi-Fi capability; Compatible with most 24V heating and cooling systems; 7-day schedule; 3.5" LCD touch screen

Meet the Nest Thermostat, the helpful thermostat with a cozy price. It can turn itself down to save energy when you leave the house. You can control it from anywhere with the Google Home app - whether you're on an errand or in bed. And it's easy to install yourself.

10. LUX - Smart Programmable Wi-Fi Thermostat - White

For use with Honeywell T9 smart thermostat; up to 200' range; 120° horizontal field of view; up to 1 year of battery life; automatically adjusts the temperature; balances room's hot and cold spots

Control your home’s heating and cooling system remotely with this LUX Wi-Fi thermostat. The Android and iOS companion app supports geofencing, smart scheduling and personalization settings for efficiency, and compatibility with Google Assistant and Amazon Alexa offers convenient voice control. This LUX Wi-Fi thermostat works with electric, gas, oil and forced-air systems for versatility.