This Honeywell 7-Day Programmable Thermostat drops from $37.49 to $27.99 for a limited time at Walmart.com. Shipping is free on orders of $50, but otherwise, it adds $5.99. This thermostat has a backlit digital display and a battery change reminder. It has a Fahrenheit and Celsius temperature display. You can save up to 33 percent on energy costs with this programmable thermostat. This is the best price we were able to find anywhere. Sales tax is charged in most states.