10 Best Wifi Thermostats 2025 in the United States

The Google Nest Learning Thermostat (4th Gen) is a polished and smart choice for anyone looking to upgrade their home's heating and cooling control. It works with most common home HVAC systems without needing a C wire in many cases, which can simplify installation. The setup is mostly DIY-friendly, and the thermostat connects smoothly to Wi-Fi, letting you control it from the Google Home app or by voice through Alexa, Siri, or Google Assistant. One standout is its beautiful, large, and easy-to-read display that adjusts brightness automatically, making it simple to see the temperature info from across the room.

With the included Nest Temperature Sensor, you can manage temperatures in different rooms, helping eliminate hot or cold spots in your home. This model also learns your schedule and how outdoor conditions affect indoor temperature to optimize energy use, potentially saving about 12% on heating and 15% on cooling bills. Its new Adaptive Eco mode smartly keeps your home comfortable while maximizing savings when you're away. The thermostat supports Matter, allowing easy integration with a wide range of smart home devices.

Although it’s compatible with many systems, some very old or unusual HVAC setups might not work perfectly. Additionally, its price is higher than basic thermostats, making it a better fit for users who value smart features and energy savings. This thermostat excels in ease of use, smart automation, and smart home compatibility, making it a solid pick for those wanting a stylish, energy-efficient WiFi thermostat.

The Google Nest Thermostat is a user-friendly smart thermostat designed to help you save energy and maintain comfort in your home. It works well with most heating and cooling systems, though some setups may require an additional power accessory called a C wire. Installing it is straightforward for many homes, but checking compatibility beforehand is recommended. The thermostat’s interface is clean and easy to use, featuring a backlit LCD display and button controls. You can manage temperatures remotely from your smartphone, tablet, or computer, making it convenient if you’re away from home. It integrates smoothly with popular smart home platforms like Google Assistant, Alexa, and supports Matter-certified devices, allowing voice control for hands-free adjustments.

Energy-saving features are a strong point — it automatically lowers heating or cooling when you leave home to reduce waste, and the Savings Finder tool offers helpful tips to optimize your schedule. It also provides HVAC system monitoring, alerting you to potential issues before they become big problems. The display quality is decent, clear enough to read in most lighting, though it's simpler compared to some high-end, colorful touchscreens. One limitation is the lack of a lock feature, so anyone with app access can change settings. The thermostat runs on two AAA batteries, which usually last a long time but will need replacement eventually.

With a solid blend of smart features, ease of control, and energy efficiency, the Nest Thermostat is well suited for homeowners looking to make their heating and cooling smarter and more cost-effective without needing technical expertise.

The ecobee New Smart Thermostat Premium stands out in the wifi thermostat category, primarily due to its energy-saving capabilities and smart features. Users can save up to 26% on heating and cooling costs, thanks in part to its SmartSensor that targets temperature adjustments in specific rooms, which is great for maintaining comfort across different areas of the home. The built-in air quality monitor is a significant plus, alerting users to poor air quality and reminding them to change filters to ensure a healthier environment.

Installation is straightforward, with compatibility across most HVAC systems, and the included Power Extender Kit makes it accessible for homes without a C-wire. This means many homeowners can set it up without needing additional help. The large, vibrant display is user-friendly, showcasing a cinematic interface that makes navigation easy even for those not tech-savvy.

The thermostat integrates seamlessly with smart home systems like Apple HomeKit, Google Assistant, and Amazon Alexa, allowing voice control, which enhances convenience. However, to utilize Siri, an Apple home hub is necessary, which could be a limitation for users not already invested in Apple's ecosystem. The thermostat does require a subscription to access some functionalities like advanced security alerts and smart monitoring, which might deter some users due to additional costs. Furthermore, its reliance on Wi-Fi means that any network issues could affect performance.