Save money and energy with 20% off an Amazon Smart Thermostat

20% OFF: As of April 19, an Amazon Smart Thermostat is available for $63.99 at Amazon, down from $79.99. That's a 20% discount or $16 off.Opens in a new windowCredit: AmazonAmazon Smart Thermostat $63.99 at Amazon $79.99 Save $16.00Get DealIf there's one thing that can rip a family apart, it's the temperature on the thermostat. But with a smart thermostat, like the Amazon Smart Thermostat, you can finally find a balance that saves money and energy while keeping everyone comfortable.As of April 1