This sale at Woot covers smart thermostats and Simply air filters for the home. The Amazon Smart Thermostat is $32.99, down from $69.99, while an ecobee smart thermostat runs $111.99, down from $139.99. Air filters range from $21.99 up to $144.99 depending on MERV rating and pack size. This deal ends September 6. Buy Now at Woot! An Amazon Company