A perfect start for your smart home.

Experience effortless comfort and automatic security all-in-one. Ensure every room stays the perfect temperature and completely protected.One month of ecobee Smart Security included.

Automatic comfort, intuitive control.

Security, savings and comfort, all in one device

Meet your all-in-one security base station and keypad. This multi-talented thermostat listens for the sounds of smoke alarms to keep your family safe, and its radar motion sensor secures your main floor when you're away. With all this plus automated comfort and energy saving, freeze protection, and built-in air quality monitoring, it's no surprise that Wirecutter named Smart Thermostat Premium the Best Smart Thermostat for 2026

Total coverage for doors and windows

Get instant alerts for any door or window opening. When armed, sensors detect unexpected movement-and with your one-month free trial of ecobee Smart Security, they even protect your wallet by pausing your AC if a door or window is left open.

More accurate security and comfort with included motion sensor

When you subscribe to ecobee Smart Security, SmartSensor acts as a motion detector and occupancy sensor in your home security system, alerting you to anyone moving in your home when the system is armed. SmartSensor also works with Smart Thermostat Premium to make sure your whole home, not just the room with your thermostat, is the perfect temperature.

Take control of your home security

With a month of Smart Security included to get you started, you get total peace of mind. Outfitted with powerful ecobee devices, you can forget about forgetting to arm the system. If you leave home without setting it, you'll get a reminder directly to your phone-allowing you to arm with just one tap. Stay connected from anywhere with instant activity alerts the moment something happens, inside or outside your home.

Start your free trial in the ecobee app with purchase. No credit card needed.

• Listens for smoke alarms and alerts you so you can act fast.
• Smarter energy savings with faster Home and Away mode switching.
• Pauses heating or cooling if a door or window is left open.
• Total peace of mind with 24/7 professional monitoring available.

Thermostat

• Height: 103.89 mm (4.09 in.)
• Width: 103.89 mm (4.09 in.)
• Depth: 25.9 mm (1.02 in.)

Trim plate

• Height: 143.5 mm (5.65 in.)
• Width: 159.9 mm (6.29 in.)
• Depth: 7.71 mm (0.3 in.)

Power Extender Kit

• Length: 62 mm (2.4 in.)
• Width: 62 mm (2.4 in.)
• Depth: 23 mm (0.9 in.)

• 4 in. full-color LCD touchscreen
• 540 x 540 pixel display

• 1 x Smart Thermostat Premium
• Thermostat Mounting Plate
• 1 x Smartsensor
• 2 x Smartsensor for Doors and Windows
• 1 x Free month of ecobee Smart Security Subscription
• SmartSensor with Detachable Stand and Adhesive Wall-Mount
• Quick-Start Guide
• Wire Labels
• Screws and Drywall Anchors
• Power Extender Kit (PEK)
• Trim Plate