Ecobee Smart Thermostat Premium - Best Overall Smart Thermostat
A flagship smart thermostat offering elite comfort control, smart sensors, and built-in voice assistants.
- +Advanced SmartSensor with occupancy detection for room prioritization.
- +Built-in Alexa speaker with optional Siri voice control.
- +Integrated indoor air quality and humidity monitoring.
- -Premium price compared to most smart thermostats.
- -Requires compatible HVAC wiring for full feature access.
- -Dense feature set creates a steeper learning curve.
The Ecobee Smart Thermostat Premium consistently ranks at the top of smart thermostat reviews due to its unmatched combination of intelligent climate control and smart home integration. Its included SmartSensor measures both temperature and occupancy, allowing the system to dynamically prioritize occupied rooms instead of relying on a single hallway reading. This results in noticeably better comfort consistency throughout the home. Unlike most competitors, this model includes a built-in Alexa speaker and microphone, eliminating the need for a separate smart speaker. Optional Siri integration and support for Google Home and Apple Home make it one of the most ecosystem-flexible thermostats available.
Beyond temperature, the device actively monitors indoor air quality and humidity, providing actionable insights directly on the display and in the mobile app. Energy efficiency is a core strength, with learning algorithms, geofencing, vacation scheduling, and detailed Home Energy Reports that clearly show how adjustments impact energy use. Performance testing consistently shows strong temperature stability and reduced HVAC cycling. While the upfront cost is high, the inclusion of premium sensors, voice hardware, and environmental monitoring justifies the investment for users seeking the most complete and future-proof smart thermostat experience.