{"product_id":"lennox-s40-smart-thermostat-22v24-touchscreen-wifi-geo-fencing-remote-access-high-efficiency","title":"Lennox S40 Smart Thermostat (22V24) – Touchscreen, WiFi, Geo-Fencing, Remote Access, High Efficiency","description":"\u003cp\u003eMeet the Lennox S40 Smart Thermostat, a touchscreen hub designed to work seamlessly with Lennox communicating products. It automatically configures and controls your heating and cooling to balance comfort, performance, and efficiency.\u003c\/p\u003e\n\u003cp\u003eBuilt to integrate with a broader system, the S40 reads model and serial numbers from Lennox devices to streamline setup and operation. With optional modules, it can also connect with select conventional HVAC components to extend your total-home comfort and energy awareness.\u003c\/p\u003e\n\u003ch3\u003eSmart, proactive control at a glance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e7-inch high-definition color touchscreen with a crisp, easy-to-read interface\u003c\/li\u003e\n\u003cli\u003eOne-Touch Away and Smart Away modes powered by geo-fencing to adjust comfort as you come and go\u003c\/li\u003e\n\u003cli\u003eWeather-On-Demand provides live data and a seven-day forecast to help plan daily routines\u003c\/li\u003e\n\u003cli\u003eLennox Smart Technician app supports quick installation, configuration, and remote monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpand comfort with accessories and zoning\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSmart Room Sensor and Smart Air Quality Monitor help fine-tune room temperature and air quality\u003c\/li\u003e\n\u003cli\u003eWireless Extender and PureAir S Air Purification System support efficient operation and cleaner air\u003c\/li\u003e\n\u003cli\u003eOptional iHarmony Smart Zoning enables up to four zones with centralized control from the S40\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable performance and maintenance at your fingertips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports conventional HVAC with an Equipment Interface Module for broader compatibility\u003c\/li\u003e\n\u003cli\u003eLive tests and a Service Dashboard enable quick troubleshooting and ongoing care\u003c\/li\u003e\n\u003cli\u003eWeather data, seven-day forecasts, and programmable schedules support flexible routines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The S40 uses a 4-wire standard thermostat wiring. Lennox recommends shielded 18–22 AWG cable to minimize interference. It is designed to work with most 24VAC furnaces, air conditioners, air handlers, and heat pumps up to 3 heat\/2 cool, but only with Lennox communicating equipment unless using approved modules. Lennox offers a 10-year warranty on manufacturing defects when installed by a certified HVAC professional; professional installation helps ensure warranty validity.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Lennox S40 compatible with non-Lennox HVAC systems?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The S40 works with Lennox equipment and some non-communicating systems via an Equipment Interface Module; verify compatibility with your furnace, AC, or heat pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a professional installer for the S40 to maintain warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, professional installation is recommended to maintain warranty validity; installer setup screens simplify configuration and diagnostics.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":53090227847279,"sku":"B0C9R25DXF","price":477.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/0598\/3087\/files\/lennox-s40-smart-thermostat-touchscreen.jpg?v=1778707062","url":"https:\/\/taskholt.com\/products\/lennox-s40-smart-thermostat-22v24-touchscreen-wifi-geo-fencing-remote-access-high-efficiency","provider":"TaskHolt","version":"1.0","type":"link"}