10 Best Wi Fi Thermostats 2025 in the United States

The ecobee New Smart Thermostat Premium is a top contender in the Wi-Fi thermostat category, ideal for homeowners looking to enhance their heating and cooling efficiency. Its compatibility with most 24VAC HVAC systems makes it a versatile choice, and the included Power Extender Kit helps those without a C-wire to install it easily. Users can benefit from its advanced energy-saving features, which claim to save up to 26% on heating and cooling costs annually. The SmartSensor included with the thermostat adjusts the temperature in key areas of your home, ensuring comfort in rooms that matter most.

The user interface is sleek and vibrant, offering a pleasant experience. Integration with popular voice assistants like Siri, Alexa, and Google Assistant allows for convenient control, while the ability to monitor air quality is a thoughtful addition that aids in maintaining a healthy home environment.

There are some drawbacks to consider. The thermostat requires an ecobee Smart Security subscription to unlock all its features, including certain alerts for doors and windows. While the installation is generally straightforward, those unfamiliar with home technology may find the process challenging despite the included instructions. Additionally, the price point is on the higher side compared to basic thermostats, which could be a consideration for budget-conscious consumers.

The Google Nest Thermostat is a user-friendly smart thermostat designed to help you save on energy costs while keeping your home comfortable. It works with about 85% of heating and cooling systems, though some setups may require an additional power wire (C wire), so it’s worth checking compatibility upfront. Installation is straightforward and usually takes about 30 minutes with the included tools. The interface is simple, with app control available on both Android and iPhone, plus voice commands through Google Assistant or Alexa, making it easy to adjust the temperature without needing to physically interact with the device.

Energy-saving features stand out: the thermostat automatically lowers heating or cooling when you leave, and it can suggest schedule tweaks to cut down waste. It also supports Nest Renew, which prioritizes cleaner energy use, and has HVAC monitoring to alert you if your system needs maintenance. Remote access means family members can control the temperature from anywhere, adding convenience and flexibility.

While it works without an internet connection for manual control, many smart features depend on Wi-Fi and compatible smart home devices. The product comes at a mid-range price point, reflecting its mix of smart technology and ease of use. With over 2,200 user reviews averaging 4.1 stars, it’s popular among users who want an affordable, reliable smart thermostat that integrates well with most homes and smart home ecosystems.

The Honeywell Home RTH9600WF Smart Color Thermostat is a versatile Wi-Fi thermostat that offers a range of features suited for modern homes. One of its major strengths is its wide compatibility with various heating and cooling systems, including forced air, hot water, steam, and heat pumps with electric backup. However, it doesn't support electric baseboard heat and requires a C-wire, which might necessitate additional installation steps for some users. Those without a C-wire might find installation a bit challenging and might need professional help or a C-wire adapter.

The customizable color touchscreen display is intuitive and easy to use, making it appealing and user-friendly. It provides on-screen information about indoor and outdoor temperature, humidity, and daily weather forecasts, contributing to a more comfortable living environment. This thermostat integrates well with smart home systems like Amazon Alexa, Google Assistant, and Microsoft Cortana, allowing for voice control and remote access through a mobile app, which adds convenience and flexibility.

The energy-saving features, such as ENERGY STAR certification and personalized tips, can help reduce energy bills, and the potential for rebates and rewards from energy providers is an added bonus. The requirement for a C-wire can be a hurdle for some installations. The price might be on the higher side compared to non-smart thermostats, but the advanced features and potential energy savings can justify the cost for many users. This thermostat is an excellent choice for tech-savvy individuals looking for convenience, integration with smart home systems, and energy efficiency, while those with less technical expertise might need to consider the installation requirements.