Lennox offers its latest smart Thermostat which can be controlled from anywhere. It has touch screen has clear prompts, and a weather-on-demand feature includes five-day forecasts. That is Lennox iComfort Wi-Fi thermostat. Comfort Sense 7500 series, Comfort 3000 series and many more that has great features and warranty but the iComfort Wi-Fi Flex model is best to go with because it can work with other brands of heating and cooling system, Overall Lennox is the best leading company and thermostat launched by Lennox brand are more efficient and more intelligent to makes the environments connected and optimized.