Comfort Controls Lennox® comfort is made even better with the precise, energy-saving control of Lennox thermostats, leading with the iComfort® S30. Thermostats iComfort S30 iComfort E30 iComfort M30 iComfort Wi-Fi ComfortSense 7500 ComfortSense 5500 ComfortSense 3000 Zoning iHarmony 4-Zone Harmony III 4-Zone LZP-4 4-Zone LZP-2 2-Zone