· Save up to 23%* every year on heating and cooling costs. That’s about $250¹ a year in savings, meaning the cost of the Smart Thermostat Essential is covered in just six months. Compared to a hold of 72°· The Smart Thermostat Trim Kit is designed just for Smart Thermostat Essential as it easily covers old wiring and imperfections keeping your wall looking fresh.· Compatible with 85% of systems, check your system’s compatibility with our online ecobee Compatibility Checker on the ecobee support page· Designed with smooth, round edges, the trim plate matches your Smart Thermostat Essential and fits flush right against your wall.· Change your temperature by easily tapping the color touchscreen or using the top rated ecobee app. Plus, free software upgrades ensure you get the best out of your Smart Thermostat Essential, for years to come.· Every trim plate comes with an easy-to-follow mobile installation guide. Simply scan the QR code on the box.· Automatically adjusts to your set schedule to save energy when you’re gone and optimize comfort when you’re home.  Keep track of your energy consumption when you're on the go on the ecobee app.· In homes where the thermostat attaches to a junction box, a plastic or metal box that houses wires, the Trim Kit is required to mount your smart thermostat.· Easy DIY install. No C Wire, no problem. Get the ecobee Power Extender Kit (PEK) for homes without a C-Wire sold separately.· The trim kit is specifically designed for the ecobee Smart Thermostat Essential