Comfort™ Non-Programmable Thermostat TCSNAC01 Just Set It and Forget It This easy-to-use, non-programmable thermostat makes managing your home comfort a breeze. Standard Features Illuminated display Auto changeover between heating and cooling Fixed-schedule based filter replacement reminders 10-year parts limited warranty1 Optional Features Application of remote sensor to feed information to the main control from a different location 1 To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details.