4 Best Ecobee Thermostats 2025 in the United States

The ecobee Smart Thermostat Premium is a versatile thermostat designed to optimize heating and cooling while providing smart home integration. It boasts compatibility with both Siri and Alexa, making it convenient for users who prefer voice control. The thermostat includes a built-in air quality monitor, which can help you maintain a healthier home environment by alerting you to poor air quality and suggesting improvements.

The included SmartSensor ensures the temperature is adjusted in key rooms, reducing hot or cold spots for enhanced comfort. Additionally, the package comes with SmartSensors for doors and windows, offering peace of mind by monitoring entry, exit, and motion within your home, although the smart security features require a subscription for full functionality. The user interface is accessible, featuring an LCD or LED display that is easy to read and interact with.

Energy reports are another strong point, as the device is ENERGY STAR certified and can help you save up to 26% per year on heating and cooling costs. Installation might require some technical know-how, as the thermostat is hardwired and wall-mounted. However, once set up, the Wi-Fi connectivity ensures you can control it remotely via voice or app. This thermostat is excellent for someone looking to enhance their home's energy efficiency while integrating smart features and improving air quality, but it may require a bit of effort during installation.

The ecobee Smart Thermostat Enhanced stands out for its high compatibility with various HVAC systems, making it a versatile choice for many homes. It supports popular voice assistants like Siri, Alexa, and Google Assistant, allowing easy integration into smart home setups. The thermostat's smart features, such as preheating or precooling your home and adjusting for humidity, ensure optimal comfort and energy efficiency.

Users can expect significant savings on heating and cooling costs, up to 26% per year, thanks to its energy-saving algorithms and ENERGY STAR certification. The addition of a SmartSensor (sold separately) enhances its ability to monitor specific rooms, making it ideal for targeted temperature control in spaces like bedrooms or nurseries. Installation is user-friendly, with most people completing it in under 45 minutes, and it includes a Power Extender Kit for homes without a C-wire.

The user interface is intuitive, and the thermostat can be controlled via the ecobee app on various devices, including smartphones, tablets, and smartwatches. A notable benefit is its hardwired design, eliminating the need for battery replacements and ensuring consistent performance. On the downside, the SmartSensor, which offers additional functionality, is not included with the thermostat and must be purchased separately. Additionally, while the product is designed to last over a decade, some users might find the initial setup slightly challenging if they are not familiar with HVAC systems. However, customer support is available to assist with any issues.

The ecobee3 Lite Smart Thermostat is a versatile and energy-efficient option, perfect for users looking to save on heating and cooling costs. With a potential savings of up to 23% annually, it is Energy Star certified and recognized as an ENERGY STAR Partner of the Year, highlighting its efficiency. It integrates well with popular smart home systems like Siri, Alexa, and Google Assistant, offering excellent compatibility for most users. You can control the thermostat remotely via Android or iOS devices, adding to its convenience factor.

The addition of SmartSensors, though sold separately, can help manage hot or cold spots in your home, enhancing comfort. One of the standout features is the ability to automatically pause heating or cooling when a door or window is left open, although this requires additional SmartSensors and a Smart Security subscription. The user interface is intuitive and easy to navigate, making it accessible even for those who are not tech-savvy. Its installation is user-friendly with a DIY approach, including a Power Extender Kit for homes without a C-Wire, which simplifies the process.

However, the need for additional purchases like SmartSensors and subscriptions for full functionality may be a drawback for some users. In essence, the ecobee3 Lite Smart Thermostat is an excellent choice for those seeking a smart, energy-efficient solution with robust features and easy installation, but it might require some additional investment to unlock its full potential.