Products are chosen independently by our editors. Purchases made through our links may earn us a commission.

Best Smart Thermostats

Updated
An all-around product reviewer with a diverse skill set with extensive experience across categories like tech, home goods, and lifestyle products.
Updated

When looking to upgrade your home’s heating and cooling system, a smart thermostat can be a game-changer. These devices not only offer the convenience of remote control but also help you save on energy bills by optimizing your HVAC system's efficiency. However, with a multitude of options available, choosing the best smart thermostat can be a daunting task. Here's a comprehensive guide to help you navigate through the selection process and find the best smart thermostat for your home.

Understanding Smart Thermostats

Before diving into specific features, it’s crucial to understand what smart thermostats are and how they differ from traditional models. Smart thermostats connect to your home's Wi-Fi network, allowing you to control your heating and cooling system via a smartphone app, tablet, or computer. They often come with advanced features like learning algorithms, energy usage reports, and compatibility with other smart home devices.

Key Features to Consider

  1. Compatibility with HVAC SystemsDifferent homes have different heating and cooling setups, so the first step is to ensure the smart thermostat you're considering is compatible with your HVAC system. Some thermostats are designed to work with a wide range of systems, while others may be limited. Check the manufacturer's specifications to confirm compatibility.

  2. Ease of InstallationWhile some smart thermostats are designed for DIY installation, others might require professional help. If you’re comfortable with basic electrical work, a DIY model can save you some money. However, if you’re unsure, it’s always better to opt for professional installation to avoid any potential issues.

  3. User Interface and App ExperienceThe usability of the thermostat and its corresponding app is another critical factor. Look for a device that offers an intuitive interface and a seamless app experience. Read user reviews to get a sense of how easy or difficult the app is to navigate.

  4. Learning CapabilitiesSome smart thermostats can learn your schedule and preferences over time, automatically adjusting the temperature for optimal comfort and energy savings. This feature can be particularly beneficial if you have a regular routine, as it eliminates the need for constant manual adjustments.

  5. Energy Reports and SavingsMany smart thermostats provide detailed energy usage reports, helping you understand how much energy you’re using and where you can cut back. Look for models that offer actionable insights and tips to help you maximize your energy savings.

  6. Integration with Smart Home EcosystemsIf you already have a smart home ecosystem, it’s important to choose a thermostat that integrates seamlessly with your existing devices. Compatibility with platforms like Amazon Alexa, Google Assistant, and Apple HomeKit can add significant value, allowing for voice control and automation.

  7. GeofencingGeofencing is a feature that uses your smartphone’s location to determine whether you’re home or away. The thermostat can then adjust the temperature accordingly, ensuring comfort when you’re home and energy savings when you’re not. This feature is particularly useful for households with irregular schedules.

  8. Remote SensorsSome smart thermostats come with remote sensors that can be placed in different rooms. These sensors help the thermostat get a more accurate reading of your home's temperature, ensuring more balanced heating and cooling. This feature is especially useful for larger homes or homes with rooms that tend to be hotter or cooler than others.

Popular Models to Consider

  1. Nest Learning ThermostatKnown for its sleek design and powerful learning algorithms, the Nest Learning Thermostat is a top choice for many homeowners. It offers a range of advanced features, including energy reports, geofencing, and seamless integration with Google Assistant.

  2. ecobee SmartThermostat with Voice ControlThe ecobee SmartThermostat stands out with its built-in Alexa functionality, allowing for voice control without needing an additional smart speaker. It also comes with a remote sensor to help manage hot and cold spots in your home, making it a strong contender for larger spaces.

  3. Honeywell Home T9The Honeywell Home T9 offers robust performance and a user-friendly interface. It also includes remote sensors to ensure every room in your home maintains a comfortable temperature. Its compatibility with multiple smart home platforms adds to its appeal.

  4. Emerson Sensi TouchFor those looking for a budget-friendly option without sacrificing essential features, the Emerson Sensi Touch is a solid choice. It offers easy installation, a straightforward interface, and compatibility with various smart home ecosystems.

Final Thoughts

Selecting the right smart thermostat involves considering a range of factors, from compatibility and installation to advanced features like learning algorithms and integration with smart home systems. By taking the time to assess your specific needs and preferences, you can find a smart thermostat that not only enhances your home comfort but also helps you achieve significant energy savings.

Main Features

  • Auto-Schedule: Learns from you and programs itself
  • Remote Control: Control from anywhere with the Nest app
  • Energy History: Check your energy usage and savings
  • Home/Away Assist: Automatically adjusts the temperature when you're away

Product Overview

The Google Nest Learning Thermostat (3rd Generation) is not just any thermostat—it’s a smart device that learns your schedule and adjusts the temperature automatically to optimize for energy savings.

Upon installation, it starts learning the temperatures you like and creates a personalized schedule for your home. This thermostat also features a high-resolution display, making it easy to read temperatures, weather, and time.

It’s compatible with 95% of heating and cooling systems and can be controlled remotely via the Nest app or voice commands through Google Assistant or Amazon Alexa. The Nest Learning Thermostat also provides energy usage reports, helping you understand and manage your energy consumption better.

PROS
  • Learns your schedule
  • Energy-saving features
  • Remote control capability
  • Elegant design
CONS
  • Higher upfront cost
  • Requires Wi-Fi for full functionality

Product Specifications

  • Compatibility 95% of heating and cooling systems
  • Display High-resolution color display
  • Connectivity Wi-Fi, Bluetooth
  • Voice Control Google Assistant, Amazon Alexa
  • Power Built-in rechargeable lithium-ion battery

Main Features

  • Voice Control: Works with Alexa for convenient voice control
  • Remote Control: Control your thermostat from anywhere using the Alexa app
  • Energy Savings: Helps you save on energy costs with smart features
  • Simple Installation: Easy to install and set up

Product Overview

The Amazon Smart Thermostat provides an affordable entry point into the world of smart home climate control. Designed to work seamlessly with Alexa, this thermostat offers voice control and can be managed through the Alexa app.

It features a minimalist design with a clear display, making it easy to read and adjust settings. The thermostat also offers energy-saving features that can help reduce your energy bills. Easy to install and use, the Amazon Smart Thermostat is a great choice for those looking to upgrade their home without breaking the bank.

PROS
  • Affordable price
  • Easy to install
  • Alexa integration
  • Energy-saving features
CONS
  • Requires C-wire
  • Limited advanced features

Product Specifications

  • Compatibility Most 24V HVAC systems
  • Display Digital display
  • Connectivity Wi-Fi
  • Voice Control Amazon Alexa
  • Power C-wire required

Main Features

  • Voice Control: Built-in Alexa for hands-free control
  • SmartSensor: Ensures comfort in important rooms
  • Energy Savings: Helps reduce energy costs with smart features
  • Integration: Works with multiple smart home systems

Product Overview

The Ecobee SmartThermostat with Voice Control is designed to bring smart climate control to your home with advanced features and built-in voice control. This thermostat is equipped with a powerful quad-core processor and dual-band Wi-Fi support for fast and reliable connectivity.

It includes a SmartSensor for enhanced comfort in the most important rooms and can be controlled using voice commands through Alexa. The Ecobee SmartThermostat also integrates with other smart home systems, including Apple HomeKit, Google Assistant, and Samsung SmartThings.

It not only helps you save on energy costs but also provides detailed energy usage reports, making it easier to monitor and manage your home’s energy consumption.

PROS
  • Built-in Alexa
  • SmartSensor included
  • Wide compatibility
  • Energy-saving features
CONS
  • Higher price
  • Requires C-wire

Product Specifications

  • Compatibility Most 24V HVAC systems
  • Display Touchscreen display
  • Connectivity Wi-Fi, Bluetooth
  • Voice Control Built-in Alexa, Google Assistant, Apple HomeKit
  • Power C-wire required

Main Features

  • Touchscreen Display: Easy to read and use
  • Smart Room Sensor: Ensures comfort in key rooms
  • Remote Control: Manage settings via the Honeywell Home app
  • Compatibility: Works with Alexa, Google Assistant, and more

Product Overview

The Honeywell Home T9 Smart Thermostat is designed with user-friendliness and advanced functionality in mind. It features a sleek touchscreen display and is easy to install and set up. The T9 can be controlled remotely via the Honeywell Home app and integrates with various smart home systems, including Alexa and Google Assistant.

It comes with a Smart Room Sensor that helps optimize comfort by ensuring the right temperature in the rooms that matter most. The T9 Smart Thermostat also offers energy-saving modes and provides detailed energy usage insights to help you manage your energy consumption effectively.

PROS
  • User-friendly interface
  • Smart Room Sensor included
  • Wide smart home compatibility
  • Energy-saving features
CONS
  • Requires C-wire
  • Sensor range limitations

Product Specifications

  • Compatibility Most 24V HVAC systems
  • Display Touchscreen display
  • Connectivity Wi-Fi, Bluetooth
  • Voice Control Alexa, Google Assistant
  • Power C-wire required

Main Features

  • Color Touchscreen: Easy to read and navigate
  • Remote Access: Control via the Sensi app
  • Geofencing: Adjusts temperature based on your location
  • Integration: Compatible with Alexa, Google Assistant, and Apple HomeKit

Product Overview

The Emerson Sensi Touch Wi-Fi Smart Thermostat is designed for those who want a highly customizable and connected home climate control solution. It features a large color touchscreen display that is easy to navigate and customize.

The Sensi Touch can be controlled remotely through the Sensi app and integrates with popular smart home systems like Alexa, Google Assistant, and Apple HomeKit. It provides detailed energy usage reports and offers flexible scheduling options to help you save on energy costs.

The thermostat also includes geofencing capabilities, adjusting the temperature based on your location to ensure comfort when you arrive home.

PROS
  • Highly customizable
  • Wide smart home compatibility
  • Geofencing feature
  • Detailed energy reports
CONS
  • Requires C-wire
  • Higher price point

Product Specifications

  • Compatibility Most 24V HVAC systems
  • Display Color touchscreen display
  • Connectivity Wi-Fi, Bluetooth
  • Voice Control Alexa, Google Assistant, Apple HomeKit
  • Power C-wire required