Or call 866-908-4915

New enrollments

How it works

  • smart thermostat is required. If you already have a smart thermostat installed, all you have to do is register online.
  • If you don’t already have a smart thermostat installed, schedule a free assessment and we'll assess your home to see if it qualifies for a free ecobee3 lite.*

Past participants

How it works

  • If you enrolled in the CoolCents program before December 2017 and have the original A/C switch installed, now is a great time to upgrade your savings as well as your thermostat.

Who qualifies?

  • AES Indiana residential and business customers
  • If you rent or lease your home, a signed landlord release form is required.
  • *To receive an ecobee3 lite, your home must have electric heat or central cooling, a compatible HVAC system and working Wi-Fi. If you would like a free ecobee3 lite, we’ll install one for you. Terms and conditions apply.
  • If you do not want or do not qualify for a smart thermostat, we can upgrade your A/C switch to the more efficient, second-generation smart switch.
  • To get started, schedule an appointment.

AES Indiana has partnered with a third-party provider, Uplight, to provide this service to our customers.