Upgrade Your Thermostat for Winter With This Ecobee Deal for $120

The Ecobee3 Lite has a touchscreen and app control and is compatible with Ecobee sensors if you want to split the temperature difference across floors in your home. However, many people simply want to be able to turn their thermostat on and off from their phone and have the ability to set schedules. For this, the Lite has you covered.

Though it's been formally rebranded as the Essential and now runs $140, the OG Lite is still available refurbished straight…