For today only, the third generation Nest Learning Thermostat drops from $249.99 to $229.99 using the code 081024HR199 at Newegg. Plus, the shipping is free, which makes this the best deal we could find for one by $20. This programmable, app-controlled thermostat adapts to your settings and will automatically adjust the temperature of your home to save money on your energy bills. Sales tax is charged in most states.