Thermostats

The Lennox ComfortSense^® line of thermostats makes programming an energy-saving schedule remarkably easy. Touchscreen and button-control thermostats are available, with 7-day or 5-day/2-day scheduling options.

Lennox® programmable and smart thermostats help you maximize the efficiency of your Lennox heating and cooling system. From the Lennox S40 Smart Thermostat to the Lennox L40 Smart Thermostat, Lennox combines innovation and technology to give you more comfort control than ever before. Lennox Smart Thermostats deliver precise comfort control. All 4th generation thermostats utilize SmartAway™ Mode helps you stay energy efficient, even when you’re not at home. It uses the GPS in your smartphone (with the user’s consent) to detect when you're leaving and automatically increases system efficiency. When you return, SmartAway™ changes your system to a normal schedule and more comfortable temperature. Other smart features on the E40 & S40 smart thermostats include Allergen Defender, which monitors the air quality and pollen levels in your zip code and automatically turns the fan on to clean your home's air when outdoor levels are high, and Feels Like™, which takes into account temperature and humidity to make your home feel exactly like you want it. Lennox Smart Thermostats give you the ability to customize settings for every day of the week, and even let you compare your monthly heating and cooling usage, so you can adjust your settings to reduce energy consumption.