lennox l40 smart thermostat PasVente The Sum X heat pump

The Sum X heat pump combines innovation and eco-responsibility to transform your daily life

Variable speed blower motor—provides a quiet

Multiple sensors built into the cabinet automatically detect and send data to the Lennox® S40 Smart Thermostat for:

Up to four separate schedules are available

Efficiency of up to 19 SEER2 can save you hundreds of dollars per year compared to a standard air conditioner

lennox l40 smart thermostat PasVente The Sum X heat pumpLennox L40 Smart Thermostat, Touchscreen, Wi Fi, Programmable, App 1 Conventional Heat 1 Cool, 2 Heat 1 Cool for Heat Pump, Auxiliary Emergency Heat Model Part Number: L40 Lennox L40 Smart Thermostat, Universally Compatible, Wi Fi Thermostat for Single Stage Appliances. The Lennox L40 Smart Thermostat is a simple, easy to use device with a 4 inch color display. This ENERGY STAR certified thermostat is compatible with single stage heating and cooling