Lennox S40 Smart Communicating Thermostat 17.4seer2 From single-zone wall mounts to

From single-zone wall mounts to multi-zone cassette systems

and stable temperatures even in extreme weather

pre-formed flanges

Budget-Friendly Comfort: Delivers quality cooling without high costs

14/4 Communication Wire — 14/4 stranded THHN 600V

Lennox S40 Smart Communicating Thermostat 17.4seer2 From single-zone wall mounts toThe Lennox S40 Smart Communicating Thermostat offers an advanced solution for homeowners seeking optimal comfort and energy efficiency. Designed with intuitive controls and a sleek, modern interface, this thermostat seamlessly integrates with your smart home ecosystem, allowing effortless control from your smartphone or voice assistant. Energy Efficiency: Advanced algorithms learn your schedule to optimize heating and cooling, helping reduce energy