New Jersey natural gas has a promotion on Smart Thermostats that can get you one for as little as $19. They are offering an instant rebate of $150 and that makes the price of a ecobee3 Lite Thermostat just $19.99. You have to pay tax on the original price, but it should still be a great deal of a few items. Rebate offer limited to 2 Smart Thermostats per NJNG customer account.
Check out the offer here.