10 The Best Smart Thermostat With Room Sensors We've Tested | SHR

Abiodun Ayomide
  Dec 11, 2025 11:37 PM

Introducing the ultimate solution for optimal comfort and energy efficiency - the best smart thermostat with room sensors. In today's fast-paced world, where convenience and sustainability go hand in hand, this innovative device is a game-changer. Designed to revolutionize your home heating and cooling experience, our team has rigorously tested and handpicked the top 10 smart thermostats with room sensors. Whether you're looking to enhance your comfort, save on energy bills, or simply embrace the latest technological advancements, this blog will unveil the best options available in the market. Get ready to embark on a journey towards a more intelligent and eco-friendly home environment. Stay tuned!

Top Rated

best smart thermostat with room sensors

Source: Amazon

Best Smart Integration: Honeywell Home X8S Smart Thermostat with Room Sensor

Pros

  • Doorbell Camera Compatibility

  • Customizable Display

  • Advanced Occupancy Detection

  • Energy Star Certified

Cons

  • Requires C-Wire Installation

The Honeywell Home X8S thermostat stands out with its unique integration of doorbell camera viewing and intercom functionality, allowing users to see and speak to visitors directly from the thermostat screen. Its sleek 5-inch customizable display enhances usability and home aesthetics. The smart occupancy and presence detection, paired with a wireless room sensor, provides targeted comfort control while optimizing energy savings. Certified by ENERGY STAR, it supports a wide range of HVAC systems but requires a C-wire for installation, which might add complexity for some users.

Users appreciate the convenience of remote control through multiple smart home platforms and praise the accurate comfort adjustments that adapt to occupancy. Some mention the added value of the doorbell camera feature as a seamless enhancement to home security and interaction. However, a few note the need for professional installation due to wiring requirements.

Best Voice Control: ecobee4 Smart Thermostat with Built-in Alexa

Pros

  • Built-in Alexa Voice Service

  • Wide Smart Home Compatibility

  • Included Room Sensor

  • Programmable Remote Control

Cons

  • Bulky Design

The ecobee smart thermostat offers robust voice control through its built-in Alexa service, making it a standout choice for users seeking seamless hands-free operation. Its broad compatibility with major smart home platforms like Apple HomeKit, Google Assistant, and SmartThings adds flexibility and convenience. The inclusion of a room sensor improves temperature accuracy and comfort by detecting occupancy and temperature in different rooms. Although the unit’s rectangular shape and larger dimensions make it somewhat bulky, its intuitive digital display and app control provide a user-friendly experience for managing heating and humidification systems.

User feedback highlights satisfaction with the voice command responsiveness and ease of integration into existing smart home ecosystems. Many appreciate the improved comfort brought by the remote sensors, while some users mention the physical size as a consideration for installation space.

Best Energy Efficiency: Lennox Smart Room Sensor 22V25 Wireless Sensor

Pros

  • Wireless Bluetooth Connectivity

  • Long Battery Life

  • Occupancy and Temperature Sensing

  • Sleek, Unobtrusive Design

Cons

  • Limited Range (70 ft)

The Generic Smart Room Sensor offers a practical solution to improve HVAC efficiency by providing accurate room temperature and occupancy data to compatible thermostats like the Lennox S40. Utilizing Bluetooth Low Energy mesh technology, it communicates wirelessly while maintaining low power consumption, supported by a two-year battery life. Its modern, compact design fits discreetly in any interior without drawing attention. The sensor’s algorithm enhances comfort by averaging room conditions, working in tandem with the thermostat’s internal sensors. Although its wireless range is limited to 70 feet, it remains a flexible and convenient option for targeted temperature control.

Users report that the sensor significantly improves room comfort and energy savings when paired with compatible systems. The easy setup and maintenance-free battery life are frequently praised, while some mention the limited range may require multiple units in larger spaces.

Best Multi-Room Control: Honeywell Home T9 WiFi Smart Thermostat

Pros

  • Extended Sensor Range (up to 200 ft)

  • ENERGY STAR Certified

  • Built-In Speaker

  • Easy DIY Installation

Cons

  • Requires C-Wire or Power Adapter

The Honeywell Home T9 thermostat excels in delivering precise comfort by focusing on multiple rooms simultaneously using smart sensors with an impressive 200-foot wireless range. Its ENERGY STAR certification ensures energy efficiency and potential savings, enhanced further by compatibility with utility demand response programs. The built-in speaker adds convenience for voice commands and alerts. Designed for ease of installation, it includes a power adapter alternative for homes without a traditional C-wire. Compatibility spans forced air, hot water, steam, and heat pump systems, though electric baseboard heating is not supported.

Users commend the thermostat for improving comfort in different parts of the home and appreciate the flexibility in installation options. The ability to control settings remotely and integrate with popular smart home platforms is frequently highlighted, while some note that wiring requirements may require professional assistance in certain setups.

Best Energy Savings: Honeywell Home T9 WiFi Smart Thermostat, Smart Room Sensor

Pros

  • Monthly Energy Usage Reports

  • Auto Home/Away Geofencing

  • Smart Learning and Alerts

  • Easy DIY Setup

Cons

  • Requires C-Wire or Power Adapter

The Honeywell Home RCHT9510WFW thermostat focuses on energy efficiency by providing detailed monthly energy reports and integrating with utility programs to offer rewards for reduced consumption. Its auto home and away modes use geofencing to adjust settings automatically, helping save energy without sacrificing comfort. The thermostat supports multi-room temperature control with optional smart sensors and intelligently learns heating and cooling patterns to optimize performance. Installation is streamlined with included power adapters and automatic system identification, though a C-wire or adapter is still necessary for many setups.

Users value the clear energy tracking features and responsive scheduling that adapt well to daily routines. The smart alerts for filter changes and temperature help with maintenance, while some highlight the need to confirm wiring compatibility before purchase.

Compare Products

TOP Choice
1
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.9
  • Brand
    Honeywell Home
TOP Choice
2
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.8
  • Brand
    TORYO
TOP Choice
3
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.6
  • Brand
    Generic
4
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.4
  • Brand
    Honeywell Home
5
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.3
  • Brand
    Honeywell Home
6
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    9.0
  • Brand
    Google
7
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    8.9
  • Brand
    Honeywell Home
8
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    8.7
  • Brand
    Provirtec
9
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    8.5
  • Brand
    Emerson
10
  • Smart Home Review Score

    SH Score is a ranking system developed by Smart Home Review. SH score has no relationship or impact from any manufacturers or sales agent websites.

    8.3
  • Brand
    Honeywell Home

Last update on 2025-12-11 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Do smart thermostats have sensors?

Yes, smart thermostats typically have built-in sensors. These sensors are used to measure and monitor various environmental factors such as temperature, humidity, and occupancy. By collecting data from these sensors, smart thermostats can intelligently adjust temperature settings to optimize energy efficiency and provide personalized comfort. Additionally, some smart thermostats can also track outdoor weather conditions through external sensors or internet connections, allowing for further fine-tuning of indoor climate control.

What sensors are used in smart thermostats?

Smart thermostats typically incorporate several sensors to accurately monitor and control the temperature and environment in a home. The specific sensors used may vary depending on the brand and model of the thermostat, but here are some common sensors found in smart thermostats:

1. Temperature Sensor: This is the primary sensor used to measure the ambient temperature in the room. It helps the thermostat determine whether the temperature needs to be adjusted.

2. Humidity Sensor: This sensor measures the level of humidity in the air. It allows the thermostat to detect and adjust for high or low humidity levels, which can impact comfort and energy efficiency.

3. Occupancy Sensor: Some smart thermostats include motion or occupancy sensors to detect whether someone is present in the room. This information helps the thermostat determine when to adjust the temperature or switch to energy-saving mode.

4. Light Sensor: A light sensor can be used to detect the amount of natural light entering the room. It helps the thermostat make adjustments based on the level of sunlight, such as lowering the temperature if it's sunny outside.

5. Proximity Sensor: Proximity sensors can detect when someone approaches the thermostat. This feature can enable the thermostat to display relevant information or activate certain functions when someone is nearby.

6. Air Quality Sensor: Some advanced smart thermostats include air quality sensors to measure the level of pollutants, such as volatile organic compounds (VOCs) or particulate matter. This information can help improve indoor air quality by adjusting ventilation or activating air purifiers.

These are just a few examples of the sensors commonly used in smart thermostats. The combination of these sensors, along with advanced algorithms and connectivity features, allows smart thermostats to optimize energy usage, increase comfort, and provide more control over the heating and cooling systems in a home.

Can smart thermostats control individual rooms?

Yes, smart thermostats can control individual rooms. With the help of zoned heating and cooling systems, smart thermostats can regulate the temperature in specific rooms or zones throughout a home. This allows for personalized comfort and energy efficiency, as each room can be set to its own desired temperature. Smart thermostats can be programmed to adjust the temperature in different zones based on occupancy, time of day, or specific schedules. Additionally, some smart thermostats have room sensors that detect occupancy and adjust the temperature accordingly. Overall, smart thermostats offer the flexibility to control individual rooms and optimize comfort and energy usage.

What is the most responsive thermostat?

Yes, smart thermostats have the capability to control individual rooms. With the help of sensors placed in different rooms, smart thermostats can detect the temperature in each room and adjust the heating or cooling accordingly. This allows for personalized comfort in different areas of the house and helps optimize energy usage. Additionally, some smart thermostats offer features like zoning, where you can create different temperature zones and control them individually from your smartphone or other connected devices.

Read More:

The Best Smart Thermostat of 2026 I SHR

10 The Best Smart Thermostat With Alexa Reviews for 2026 | SHR

Top 10 Best Home Smart Thermostats in 2026: Reviews

The Best Smart Thermostat No C Wire - Reviews & Buyers Guide

The Best Smart Thermostat Homekit: Reviews & Buyers Guide

Conclusion

In conclusion, choosing the best smart thermostat with room sensors means investing in precise climate control that adapts to your lifestyle and enhances home comfort. These devices not only optimize temperature management in multiple zones but also contribute to significant energy savings by responding to real-time room conditions. Whether you prioritize ease of use, integration with smart home systems, or advanced scheduling features, the right model can transform your living space into a more efficient and comfortable environment. Careful consideration of sensor accuracy, compatibility, and user interface will ensure you select a thermostat that meets your unique needs and delivers lasting value.