Ecobee's Smart Thermostat with voice control has been redesigned with premium materials and advanced engineering, featuring thicker glass, intuitive usability, a larger screen, a new metal body, and our most advanced sensors. Smart features and easy scheduling can help you save up to 26% annually on heating and cooling costs (compared to a hold of 72°F/22°C.) The Smart Thermostat Premium supports lower homeowners' carbon footprint by automatically conserving energy, designed with quality materials to last for over ten years.