Amazon has the Honeywell RTH6400D 5-1-1-Day Programmable Thermostat for $40.75 with Free Shipping for a limited time.

The RTH6400D 5-1-1 Programmable Thermostat from Honeywell maximizes comfort, reduce household energy use, and saves you money. It features a user-friendly design that lets you program weekdays, Saturdays, and Sundays separately, this thermostat makes it easy to sync your home’s heating and cooling system with your schedule, and it is Energy Star rated for efficiency you can count on.