Home Slickdeals ecobee 3 Smart Thermostat with 3 Room Sensors @ Costco.com free s/h... Slickdeals ecobee 3 Smart Thermostat with 3 Room Sensors @ Costco.com free s/h $160 By ARCOM - 22 June 2018 184 0 SHARE Facebook Twitter Go to the deal page: ecobee 3 Smart Thermostat with 3 Room Sensors @ Costco.com free s/h $160