E-Smart™ Programmable Thermostat

IMPORTANT SAFETY NOTICE Click Here

We are no longer accepting applications for participation in the E-Smart™ Thermostat Program. Click here to find out about other ActOnEnergy^® Programs for your business.

E-Smart users: Log-in here.

View the “Cool Mode” demo below to see how easy it is to use. NOTE: Heat Mode controls your furnace and works the same as Cool Mode. For detailed instructions, download the E-Smart™ Quick Start Guide.

For technical issues or support contact ActOnEnergy at 1.866.800.0747 or via e-mail at ActOnEnergyBusiness@Ameren.com. 

Click here to download a document of frequently asked questions about the E-Smart™ Programmable Thermostat.  

E-Smart users: Log-in here.